International Conferences

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234. Improved Retrieval of Effective Parameters in Hyperbolic Metamaterials for Oblique Incidence

Jusung Park, Seungkyun Park, Kyuho Kim, Sunkyu Yu & Namkyoo Park

CLEO-PacificRim (CLEO-PR) 2024, P3-154, Incheon, Korea, 8th August 2024


233. Lattice Design for Multiple Topologically Protected Edge Modes

Gyunghun Kim, Joseph Suh, Dayeong Lee, Namkyoo Park & Sunkyu Yu

CLEO-PacificRim (CLEO-PR) 2024, We1F-3, Incheon, Korea, 7th August 2024


232. Iterative Design of Hyperuniform Materials using Wannier Functions

Gitae Lee, Hyungchul Park, Seungkyun Park, Namkyoo Park & Sunkyu Yu

CLEO-PacificRim (CLEO-PR) 2024, Mo2J-3, Incheon, Korea, 5th August 2024


231. Mutative Evolution for Calculating Maximally Localized Wannier Functions in Photonic Crystals

Dayeong Lee, Gitae Lee, Seungkyun Park, Hyungchul Park, Namkyoo Park & Sunkyu Yu

CLEO-PacificRim (CLEO-PR) 2024, Mo1A-3, Incheon, Korea, 5th August 2024


230. Field homogenization recipe for brain MRI (Invited Talk)

Kyoungsub Yoon, Sunkyu Yu & Namkyoo Park

META 2024, Bio-Inspired Nanophotonics, Toyama, Japan, 16th-19th July, 2024


229. Engineering light flows for hyperbolic lattices

Xianji Piao & Namkyoo Park

Optics, Photonics, and Lasers (OPL-2023), Hiroshima, Japan and Online, December 2023


228. Pruning for U(N) Programmable Photonic Circuits

Sunkyu Yu & Namkyoo Park

Optics, Photonics, and Lasers (OPL-2023), Hiroshima, Japan and Online, December 2023


227. Finding community structure in C.elegans connectome

Hyeokjung Kang, Namkyoo Park*

2023ICKSMCB, H26, Jeju, Korea, November 2023


226. Modal Localization in Disordered Hyperbolic Lattices.

Hyungchul Park, Seungkyun Park, Gyunghun Kim, Namkyoo Park & Sunkyu Yu

Optica Advanced Photonics Congress, NoTu3C.4, Busan, Korea, July 2023


225. Perturbative Design for Quasi-Isospectrality in Multidimensional Photonic Systems

Dayeong Lee, Hyungchul Park, Seungkyun Park, Namkyoo Park & Sunkyu Yu

Optica Advanced Photonics Congress, NoTu3C.4, Busan, Korea, July 2023


224. Design of Correlated Photonic Time Disorder for Unidirectional Scattering

Dayeong Lee, Jungmin Kim, Hyungchul Park, Ikbeom Lee, Sunkyu Yu & Namkyoo Park

Optica Advanced Photonics Congress, NoTu3C.4, Busan, Korea, July 2023


223. Data-Driven Engineering of Active Photonic Disorder

Jungmin Kim, Seungkyun Park, Dayeong Lee, Sunkyu Yu, and Namkyoo Park

OSA FIO+LS Meeting, JW4A.20, virtual conference, October 2022


222. Revealing Non-Hermitian Band Structure of Photonic Floquet Media

Jagang Park, Hyukjoon Cho, Seojoo Lee, Kyungmin Lee, Kanghee Lee, Hee Chul Park, Jung-Wan Ryu, Namkyoo Park, Sanggeun Jeon, and Bumki Min, 

OSA FIO+LS Meeting, JTu4A.60, virtual conference, October 2022


221. Molecular Dynamics for Microscopic Analysis of Refractive Index in Amorphous Hafnium Oxides

Dayeong Lee, Jungmin Kim, Namkyoo Park, and Sunkyu Yu

OSA FIO+LS Meeting, FW7C.5, virtual conference, October 2022


220. Supersymmetric Engineering of Short-Range Order in Optical Materials

Seungkyun Park, Dayeong Lee, Namkyoo Park, and Sunkyu Yu

OSA FIO+LS Meeting, FTh1C.2, virtual conference, October 2022


219. Coexistence of Oscillation Quenching States in Nonlinear Parity-Time-Symmetric Systems

Seou Choi, Namkyoo Park, and Sunkyu Yu

OSA Nonlinear Optics Topical Meeting, NTh1A.8, virtual conference, August 2021


218. Neural-network-based design of tunable multilayer films

Jungmin Kim, Sunkyu Yu, and Namkyoo Park

OSA Advanced Photonics Congress, JW4B.3, virtual conference, July 2021


217. Metasurface for the Shimming of 7T UHF MRI Brain Image (Invited Talk)

Minkyu Park, Hansol Noh, Gyoungsub Yoon, Namkyoo Park*

Optics and Photonics Congress, Jeju, Korea, July 2021


216. B1+ Homogenization in 7T MRI Using Inverse-designed Metasurfaces (Invited Talk)

Hansol Noh, Namkyoo Park*

2020 MRS Fall Meeting, Boston, USA, November 2020


215. Bloch Oscillation of Elastic Waves in Slab Waveguide Arrays

Hansol Noh and Namkyoo Park

A3 Metamaterials Forum 2019, Sapporo, Japan, August 2019


214. Design of type-II photonic Dirac cone near Gamma point

Jungmin Kim, Sunkyu Yu, and Namkyoo Park

A3 Metamaterials Forum 2019, Sapporo, Japan, August 2019


213. Elastic mode converter based on supersymmetric ladders (Invited Talk)

Choonlae Cho, Sunkyu Yu, and Namkyoo Park

META 2019, Lisbon, Portugal, July 2019


212. Classification of deformed photonic Dirac cones

Jungmin Kim, Sunkyu Yu, and Namkyoo Park

META 2019, Lisbon, Portugal, July 2019


211. Huygens’ shells for non-reciprocal communication (Invited Talk)

Choonlae Cho, Namkyoo Park and Jensen Li

PIERS 2019, Rome, Italy, June 2019


210. Hybrid metal-dielectric-metal structures based on large area colloidal lithography with metallic spheres as a patterning mask

Jusung Park, Sungjun In and Namkyoo Park

2019 MRS Spring Meeting, EP12.03, Phoenix, USA, April 2019


209. Corrugated Metal-Electrode Fabry-Perot for Organic Solar Cells - Near-Perfect Absorption by Coupling of FP & Propagation Mode

Sungjun In and Namkyoo Park

2018 MRS Fall Meeting, EP04, Boston, USA, November 2018


208. Topological Interface between Anisotropic Materials for Transverse Spinning of Light Fields

Xianji Piao, Sunkyu Yu, Minpyo Lee, and Namkyoo Park

Metamaterials'2018, Espoo, Finland, August 2018


207. Phase Manipulation of Constant-Intensity Waves in Disordered Optical Structures

Sunkyu Yu, Xianji Piao, Choonlae Cho, and Namkyoo Park

Metamaterials'2018, Espoo, Finland, August 2018


206. Independent Manipulation of Amplitude and Phase of Light based on the de Broglie-Bohm Viewpoint (Invited Talk)

Sunkyu Yu, Xianji Piao, and Namkyoo Park

Metamaterials'2018, Espoo, Finland, August 2018


205. Demonstration of Steering Acoustic Waves by Generalized Eaton Lens

Dongwoo Lee, Choonlae Cho, Namkyoo Park, and Junsuk Rho

Metamaterials'2018, Espoo, Finland, August 2018


204. Symmetries in Optical Hamiltonians for Isospectrality (Invited Talk)

Sunkyu Yu, Xianji Piao, Choonlae Cho, and Namkyoo Park

CLEO-PR 2018, Workshop 6, Hong Kong, August 2018


203. Multimodal Parity Conversion in Supersymmetric Optical Potentials for Controlling Random Waves

Sunkyu Yu, Xianji Piao, Choonlae Cho, and Namkyoo Park

CLEO 2018, JW2A.110, San Jose, California, USA, May 2018


202. Second harmonic Radiation from Rectangular Gold Antenna: Far-field Contributions of Different Nonlinear Polarizations

Kyungwan Yoo, Simon F. Becker, Martin Silies, Sunkyu Yu, Christoph Lienau, and Namkyoo Park

CLEO 2018, JTu2A.136, San Jose, California, USA, May 2018


201. k-space imaging of quantum mechanical nonlinear polarization sources in second harmonic generation (Invited Talk)

Kyungwan Yoo, Simon F. Becker, Martin Silies, Sunkyu Yu, Christoph Lienau, and Namkyoo Park

Quantum and Topological Nanophotonics Workshop, Singapore, April 2018


200. k-space Resolved Second Harmonic Generation : Measurement and Hydrodynamic Calculation (Invited Talk)

Kyungwan Yoo, Simon F. Becker, Martin Silies, Sunkyu Yu, Christoph Lienau, and Namkyoo Park

QNO 2018, Kuala Lumpur, Malaysia, February 2018


199. Active Meta-Surfaces Based on Self-Assembly Defect Engineered VO2-Metal Hybrid Film

Sungjun In and Namkyoo Park

2017 MRS Fall Meeting, EM03. 13.02, Boston, USA, November 2017


198. Correlated metadisorder for deterministic optical eigensystems (Invited Talk)

Sunkyu Yu, Xianji Piao, and Namkyoo Park

METANANO-2017, Vladivostok, Russia, September 2017


197. Isospectral transformations for disordered photonics (Invited Talk)

Sunkyu Yu, Xianji Piao, Choonlae Cho, and Namkyoo Park

META 2017, 2A11, Songdo, Seoul, July 2017


196. Fano-resonant excitations of generalized optical spin waves (Invited Talk)

Xianji Piao, Sunkyu Yu, Minpyo Lee, and Namkyoo Park

META 2017, 1A35, Songdo, Seoul, July 2017


195. Lorentz-force picture for controlling optical polarizations in non-Hermitian potentials (Invited Talk)

Sunkyu Yu, Xianji Piao, Choonlae Cho, and Namkyoo Park

META 2017, 1A28, Songdo, Seoul, July 2017


194. Acoustic omni meta-atom for decoupled access to all octants of a wave parameter (Keynote Talk)

Sukmo Koo, Choonlae Cho, Jun-Ho Jeong, and Namkyoo Park

META 2017, 1A23, Songdo, Seoul, July 2017


193. Bianisotropic acoustic metasurfaces for independent control of reflection and transmission wave

Choonlae Cho, Junhwuy Pang, and Namkyoo Park

ASA 2017, Boston, USA, June 2017


192. Sub-Wavelength Bi-anisotropic Acoustic Metamaterial for extreme impedance mismatch control

Junhwuy Pang, Choonlae Cho, and Namkyoo Park

A3 Metamaterials Forum, Shanghai, China, June 2017


191. Extension of Snell's Law: Bianisotropic Metasurfaces for independent control of reflection and transmission (Invited Talk)

Choonlae Cho, Junhwuy Pang, Sukmo Koo, and Namkyoo Park

A3 Metamaterials Forum, I-1, Shanghai, China, June 2017


190. Collective Resonances in Subwavelength Metadisorder Structures

Sunkyu Yu, Xianji Piao, Choonlae Cho, and Namkyoo Park

SPP8, P-07-43, Taipei, Taiwan, May 2017


189. Anisotropic Metamaterials for Controlling Transverse Spin of Light

Xianji Piao, Sunkyu Yu, Sergey G. Menabde, and Namkyoo Park

SPP8, P-07-45, Taipei, Taiwan, May 2017


188. Metadisorder coupled systems for functional wave transport (Invited Talk)

Sunkyu Yu, Xianji Piao, Choonlae Cho, and Namkyoo Park

iSPN 2017, IN-80, Dalian, China, April 2017


187. Interdimensional wave transport based on optical isospectrality (Invited Talk)

Sunkyu Yu, Xianji Piao, Choonlae Cho, and Namkyoo Park

iSPN 2017, IN-59, Dalian, China, April 2017


186. Antisymmetric Fano-resonant excitations of optical spin

Xianji Piao, Sunkyu Yu, Minpyo Lee, and Namkyoo Park

iSPN 2017, Oral-5, Dalian, China, April 2017


185. Correlated disorders of deterministic optical eigensystems (Invited Talk)

Sunkyu Yu, Xianji Piao, and Namkyoo Park

OSK-TPS-OPJ Joint Symposium, Tokyo, Japan, November 2016


184. Asymmetric plasmonic waveguides as platform for coupling between surface plasmons and propagating waves

Sergey G. Menabde, Viacheslav Shaidiuk, and Namkyoo Park

Near Field Optics 14, We-14P-53, Hamamatsu, Japan, September 2016


183. Detection of exotic transverse electric mode in graphene

Sergey G. Menabde, Daniel R. Mason, Evgeny E. Kornev, Changhee Lee, and Namkyoo Park

Near Field Optics 14, We-13A-4, Hamamatsu, Japan, September 2016


182. Active Nonlinear Meta-devices Based on Optical-thermodynamic Effects

Sungjun In, and Namkyoo Park

Near Field Optics 14, We-14P-80, Hamamatsu, Japan, September 2016


181. Optical spin-dependent Fano resonances (Invited Talk)

Xianji Piao, Sunkyu Yu, and Namkyoo Park

Meta 2016, Malaga, Spain, July 2016


180. Parity-time symmetric analogy of relativistic electrodynamics

Sunkyu Yu, Xianji Piao, and Namkyoo Park

Meta 2016, P44, Malaga, Spain, July 2016


179. High-Q perfect absorption based on coherent Fano resonances

Xianji Piao, Sunkyu Yu, and Namkyoo Park

Meta 2016, P41, Malaga, Spain, July 2016


178. Designer eigensystems in disordered potentials (Invited Talk)

Sunkyu Yu, Xianji Piao, Jiho Hong, and Namkyoo Park

Nano Korea 2016, Kintex, Korea, July 2016


177. Artificially disordered potentials based on the competition between diagonal and off-diagonal disorders

Sunkyu Yu, Xianji Piao, and Namkyoo Park

Nano Korea 2016, P1601_0291, Kintex, Korea, July 2016


176. Temporal coupled mode analysis for optical spin resonances in 2D, 3D chiral and gyrotropic materials

Xianji Piao, Sunkyu Yu, and Namkyoo Park

Nano Korea 2016, P1601_0290, Kintex, Korea, July 2016


175. Controlling optical states in artificial disorders (Invited Talk)

Sunkyu Yu, Xianji Piao, and Namkyoo Park

The First A3 Metamaterials Forum, I-17, Sendai, Japan, July 2016


174. Fano based coherent perfect absorption in optical stub structures

Xianji Piao, Sunkyu Yu, and Namkyoo Park

The First A3 Metamaterials Forum, P-16, Sendai, Japan, July 2016


173. Non-resonant broadband ultra-thin reflector in visible range and its application to organic solar cells

Hojin Bak, Sungjun In, and Namkyoo Park

2015 MRS Fall Meeting, O4.16, Boston, USA, November 2015


172. Broadband and Strong Optical Absorption for the Higher Optical-Electrical Efficiency of Ultrathin Organic Solar Cells

Sungjun In, Namkyoo Park

2015 MRS Fall Meeting, O4.15, Boston, USA, November 2015


171. Angle-dependent phase reversal through deep-subwavelength dislocation in hyperbolic metamaterials

Jiho Hong, Sunkyu Yu, and Namkyoo Park

The 11th Conference on Lasers and Electro-Optics Pacific Rim, Busan, Korea, August 2015


170. Chiral interactions of light in complex potentials (Invited Talk)

Sunkyu Yu, Hyun Sung Park, Xianji Piao, Bumki Min, Jiho Hong, and Namkyoo Park

The 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, Oxford, UK, September 2015


169. Detection of Transverse Plasmons in Multilayer Graphene

Sergey Menabde, Namkyoo Park

The 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, Oxford, UK, September 2015


168. Optical Joule Heating in Metamaterial Absorber: A Non-Linear Recursive Feedback Optical-Thermodynamic Multiphysics Study

Sungjun In, Namkyoo Park

The 9th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics, Oxford, UK, September 2015


167. Gap Mode Formation in Metallic, Nanofocusing SNOM Tapers for High Spatial Resolution Broadband Spectroscopy

Martin Esmann, Simon Becker, KyungWan Yoo, Heiko Kollmann, Petra Gross, Ralf Vogelgesang, NamKyoo Park, Christoph Lienau

CLEO: QELS_Fundamental Science 2015, FF2C.2, San Jose, USA, May 2015


166. Low-dimensional Chirality based on Parity-time Symmetric Metamaterials (Invited Talk)

Namkyoo Park

4th Korea-Japan Metamaterials Forum 2014, IT7, Osaka, Japan, December 2014


165. High Refractive Index Metamaterials with Simultaneously Enhanced ε and μ: Effects of the Substrate and Incident angle

Jaeseop Shin, Yunjung Kim, Sukmo Koo, and Namkyoo Park

4th Korea-Japan Metamaterials Forum 2014, P24, Osaka, Japan, December 2014


164. Numerical Analysis of Nonlocal Effects in Hyperbolic Metamaterials

Jiho Hong, Sunkyu Yu, Xianji Piao, and Namkyoo Park

4th Korea-Japan Metamaterials Forum 2014, P9, Osaka, Japan, December 2014


163. Beam Steering and Focusing by Impedance-matched Acoustic Meta-Surface

Choonlae Cho, Sukmo Koo, and Namkyoo Park

4th Korea-Japan Metamaterials Forum 2014, P8, Osaka, Japan, December 2014


162. Improving the Power Conversion Efficiency of Ultrathin Organic Solar Cells by Plasmonic Spheroidal Metallic Nanoparticles

Sungjun In, Daniel R. Mason, and Namkyoo Park

2014 MRS Fall Meeting, U18.45, Boston, USA, December 2014


161. Metamaterials: Introduction to Materials Scientists (Short Course)

Namkyoo Park

ENGE (Electronic Materials and Nanotechnology for Green Environment), Cheju, November, 2014


160. Optical Chirality based on Parity-time Symmetric Potentials (Invited Talk)

Sunkyu Yu, Xianji Piao, and Namkyoo Park

Near Field Optics 13, 11B.1, Salt Lake City, USA, September 2014


159. Enhanced Coupling of Light to TE Plasmons in Multilayer Graphene

Sergey G. Menabde, Daniel R. Mason, and Namkyoo Park

Near Field Optics 13, P2.69, Salt Lake City, USA, September 2014


158. 1D Plasmons at Metal-dielectric Interfaces in 2D Systems

Daniel R. Mason, Sergey G. Menabde, Sunkyu Yu, Seungkyun Park, and Namkyoo Park

Near Field Optics 13, P1.37, Salt Lake City, USA, September 2014


157. k-space Investigations of an Adiabatic Nanofocusing SNOM Probe

M. Esmann, S.F. Becker, K.W. Yoo, P. Groß, R. Vogelgesang, N.K. Park, and C. Lienau

Near Field Optics 13, P2.90, Salt Lake City, USA, September 2014


156. Imaging of Plasmonic Nanostructures with an Adiabatic Nanofocusing SNOM

S.F. Becker, M. Esmann, K.W. Yoo, P. Groß, R. Vogelgesang, N.K. Park, and C. Lienau

Near Field Optics 13, P1.87, Salt Lake City, USA, September 2014


155. Third Harmonic Spectroscopy of Single Au-nanoantennas Fabricated by Helium Ion Beam Milling, 

H. Kollmann, M. Esmann, S.F. Becker, X. Piao, C. Huynh, L.-O. Kautschor, G. Bosker, H. Vieker, A. Beyer, A. Golzhauser, N. Park, M. Silies, and C. Lienau

Near Field Optics 13, 8B.3, Salt Lake City, USA, September 2014


154. Decoupling Macroscopic Wave Parameters of an Meta-atom toward Top Down Design of the Metamaterials (Plenary Talk)

Sukmo Koo, Daniel Mason, and Namkyoo Park

3rd Advanced Nanomaterials and Nanotechnologies, P4, Guwahati, india, December 2013


153. In-plane Optical Path Enhancement Using Metal Nano Speroid for Organic Plasmonic Solar Cells

Sungjun In, and Namkyoo Park

3rd Advanced Nanomaterials and Nanotechnologies, PP114, Guwahati, India, December 2013


152. Broadband Light Absorption with High Efficiency in Visible Range for Organic Solar Cell Applications

Yunjung Kim, Sungjun In, and Namkyoo Park

3rd Advanced Nanomaterials and Nanotechnologies, PP111, Guwahati, India, December 2013


151. Exploring Functional Structure through System Organization: Caenorhabditis Elegans Neuronal Network

Hyeok Jung Kang, Myung-Kyu Choi, Junho Lee, and Namkyoo Park

KSMCB 2013, L-10, Seoul, October 2013


150. Meta-Atoms Toward Top-Down Design of; Zero Index Metamaterials, and Perfect Absorbers (Invited Talk)

Sukmo Koo, Daniel R. Mason, and Namkyoo Park

SISF 2013, IL18, Seoul, July 2013


149. 1-Dimensional Surface Plasmon Polaritons in 2-Dimensional Systems (Invited Talk)

Daniel R. Mason, Sergey G. Menabde, Sunkyu Yu, and Namkyoo Park

3rd Korea-Japan Metamaterials Forum 2013, K1, Seoul, June 2013


148. Anisotropic Meta-Atom of Decoupled e and m Toward Top-Down Design of Metamaterials (Invited Talk)

Sukmo Koo, Daniel R. Mason, and Namkyoo Park

CCMR2013, p211, Jeju, June 2013


147. PT-Symmertic Wave Dynamics in Photonic Molecular Systems (Invited Talk)

Sunkyu Yu, Daniel R. Mason, Xianji Piao, and Namkyoo Park

3rd International Conference on Nonlinear Waves - Theory and Applications, MS6(III)-2, Beijing, China, June 2013


146. Control of the Plasmonic Eigenmode Profile with Transformation Optics

Seungkyun Park, Sunkyu Yu, Xianji Piao, Hyeokjung Kang, and Namkyoo Park

SPP6 2013, Th-30-P-48, Ottawa, Canada, May 2013


145. Non-Abrupt-Edge Effects on Graphene Edge Plasmon Dispersion

Sergey G. Menabde, Daniel R. Mason, and Namkyoo Park

SPP6 2013, Tu-28-E-4, Ottawa, Canada, May 2013


144. Metallic meta-molecule of decoupled magnetic and electric response

Sukmo Koo, Daniel R.Mason, and Namkyoo Park

SPP6 2013, Th-30-P-47, Ottawa, Canada, May 2013


143. Photonic Meta-Atom of Independently Controllable Exotic Permittivity and Permeability

Sukmo Koo, Daniel R.Mason, and Namkyoo Park

PGC 2012, 3-2E-2, Singapore 2012


142. Group Velocity Walk-off between Molecular Parity Modes of Di-atomic Coupled Resonator Optical Waveguides

Sunkyu Yu, Xianji Piao, and Namkyoo Park

ICNP 2012, O-35, Beijing, China 2012


141. Fano-like Asymmetry in MIM Stub based Plasmon-Induced Transparency

Xianji Piao, Sunkyu Yu, and Namkyoo Park

ICNP 2012, O-21, Beijing, China 2012


140. Extremely High Refractive Index Terahertz Metamaterials (Invited Talk)

Bumki Min,Muhan Choi,Seung Hoon Lee,Yushin Kim,Seung Beom Kang,Jonghwa Shin, Min Hwan Kwak, Kwang-Young Kang, Yong-Hee Lee, Namkyoo Park, 

IQEC-CLEOPR-2011 ,2440-IT-1, Sydney, August 2011


139. All-optical half-adder based on photonic mode junction

Xianji Piao, Sunkyu Yu, and Namkyoo Park

IQEC-CLEOPR-2011 ,3450-CT-4, Sydney, August 2011


138. Optical Activity of Subwavelength Single Hole

H. Eah, H. W. Kihm, Q. H. Kim, W. S. Bak, Dai-Sik Kim, S. M. Koo, N. K. Park

IQEC-CLEOPR-2011 ,5440-CT-5, Sydney, August 2011


137. A Polarizer for the Magnetic Component of Light

H. W. Kihm, Q. H. Kim, J. E. Kihm, W. S. Bak, S. H. Eah, Dai-Sik Kim, S. M. Koo, N. K. Park, P. Nordlander, C. Lienau, H. Kim, N. J. Halas, 

IQEC-CLEOPR-2011 ,5440-CT-5, Sydney, August 2011


136. Metamaterials in the extraordinary optical transmission (Invited Talk)

Namkyoo Park, Sukmo Koo, and Daisik Kim

Korea-Japan Metamaterials Forum, Seoul, Korea, July 2011


135. Extraordinary confinement of Electromagnetic waves (Invited Talk)

Namkyoo Park, Sukmo Koo, Jae Sung Lee, Daisik Kim, Christoph Lienau, and Bumki Min

ICONT 2011, MP-135, Kota Kinabalu, Malaysia, June 2011


134. Surface Roughness Effect on Q-Factor of Ge Whispering Gallery Mode Microdisk Resonator

Seongjae Cho, Sukmo Koo, Kyungwan Yoo, Evan R. Pickett, Namkyoo Park, Theodore I. Kamins, Byung-Gook Park, James S. Harris

ANIC 2011, Toronto, Canada, June 2011


133. Mode Junction Photonics for Digital Signal Processing (Invited Talk)

Namkyoo Park, Sunkyu Yu, Xianji Piao, and Sukmo Koo

ICNP 2011, IN-26, Shanghai, China, May 2011


132. Fano-type asymmetry in MIM plasmonic stub

Xianji Piao, Sunkyu Yu, Kwanhee Lee, and Namkyoo Park

ICNP 2011, P-B22, Shanghai, China, May 2011


131. Active terahertz nano plasmonics: full transmission control of light by light

Ji-Soo Kyoung , Hyeongryeol Park , Hyun-Sun Kim , Kwangjun Ahn , Dai-Sik Kim , Sukmo Koo , Namkyoo Park , Bong-Jun Kim , Hyun-Tak Kim, 

SPP5 2011,MP-135, Busan, Korea, May 2011


130. Application of multi-pole cancellation for the enhancement of signal to noise ratio of nano-slit-excited Surface Plasmon waves

Hyuntai Kim, Sukmo Koo, and Namkyoo Park

SPP5 2011,ThP-96, Busan, Korea, May 2011


129. Metallic Morpho using silver nanoshells within dielectric thin films

Inchul Woo, Sunkyu Yu, and Namkyoo Park

SPP5 2011, TuP-34,Busan, Korea, May 2011


128. Nonlocal, grating-coupled scattering-type near-field scanning optical microscopy of individual gold nano-particles

Diyar Sadiq, Javid Shirdel*, and Christoph Lienau, Jae Sung Lee, Namkyoo Park

SPP5 2011,ThH-4, Busan, Korea, May 2011


127. Conical NSOM metal tip as a symmetric mode combiner: effect of symmetry in the excitation of surface plasmon polaritons for the enhancement of electric or magnetic fields, Jae Sung Lee, Sanghoon Han, Sukmo Koo, and Namkyoo Park*, J. Shirdel, and C. Lienau

SPP5 2011, MF-2, Busan, Korea, May 2011


126. Characterization of Polymer Microtoroid Resonators Fabricated by Two-Photon Stereolithography Process

Jee Soo Chang, Seung Hoon Lee, Yong Son, Prabhakaran Prem, Kwang-Sup Lee, Namkyoo Park, Dong-Yol Yang, and Bumki Min

CLEO 2011, S&I Oral CThAA6, Baltimore, Maryland, USA, May 2011


125. Two-Dimensionally Isotropic High Index Metamaterials

Bumki Min, Yushin Kim, Muhan Choi, Seung Hoon Lee, Seung Beom Kang, Jonghwa Shin, Min Hwan Kwak, Kwang-Young Kang, Yong-Hee Lee, and Namkyoo Park, 

CLEO 2011, QELS Oral QThA4, Baltimore, Maryland, USA, May 2011


124. Extremely High Refractive Index Terahertz Metamaterial

Seung Hoon Lee, Muhan Choi, Yushin Kim, Seung Beom Kang, Jonghwa Shin, Min Hwan Kwak, Kwang-Young Kang, Yong-Hee Lee, Namkyoo Park, and Bumki Min, 

CLEO 2011, QELS Oral QTuD5, Baltimore, Maryland, USA, May 2011


123. High-efficiency out of plane conversion and manipulation of Surface Plasmon Waves

Xianji Piao, M. Sathish Kumar, Sukmo Koo, Sunkyu Yu, and Namkyoo Park

COIN 2010, PS-22, Jeju, July 2010


122. Magnetic-field enhancement beyond the skin depth limit

Jonghwa Shin, Namkyoo Park, Shanhui Fan, and Yong-Hee Lee

Paper 7601-10, SPIE Photonics West, San Francisco, USA, January, 2010


121. Ultrafast Photonic Analog-to-Digital Converters based on Slow-light Photonic Crystal Structures (Invited Talk)

Sunkyu Yu, Xianji Piao, Sukmo Koo, and Namkyoo Park

Paper S3-2, Dasan Conference 2009, Jeju, Korea, November, 2009


120. Optical Characterization of Subwavelength Metal Aperture Probe using Radially and Azimuthally Polarized Light

J. E. Kihm, J. S. Ahn, H. W. Kim, K. J. Ahn, S. M. Koo, N. K. Park and D. S. Kim

The 7th Asia-Pacific Conference on Near-field Optics (APNFO-7), Jeju, Korea, Nov, 2009


119. Application of slow-light photonic crystal for ultra-high speed all-optical analog-to-digital conversion (Invited Talk)

Sunkyu Yu, Sukmo Koo, Xianji Piao, and Namkyoo Park

Paper D1, Microoptics Conference 2009, Tokyo, Japan, October, 2009


118. Metal-Slit Array Fresnel-Lens for Optical Coupling

Young Jin Jung, Dongwon Park, Sunkyu Yu, Sukmo Koo, Hyungsuk Yu, Sanghun Han, Namkyoo Park, Jae Hun Kim, Young Min Jhon, and Seok Lee, 

WC1, Numerical Simulation of Optoelectronic Devices 2009, Gwangju, Korea, September, 2009


117. Terahertz nanogap antenna for detection of nano-rods

H. R. Park, M. A. Seo, J. S. Kyoung, J. H. Kang, Q-Han Park, O. K. Suwal, S. S. Choi, S. M. Koo, N. K. Park, and D. S. Kim

paper R2C05.0244, International Conference on Infrared, Millimeter, and Terahertz Waves, Busan, Korea, Sep 2009


116. Terahertz modulation using micro- and nano-apertures on VO2 thin film

M. A. Seo, J. S. Kyoung, H. R. Park, S. M. Koo, N. K. Park, Y. S. Lim, and D. S. Kim

paper R2C02.0242, International Conference on Infrared, Millimeter, and Terahertz Waves, Busan, Korea, Sep 2009


115. Reconfigurable all-optical AND, NAND, OR, NOR, XOR and XNOR gates implemented by photonic crystal nonlinear cavities

Young Jin Jung, Sunkyu Yu, Sukmo Koo, Hyungsuk Yu, Sanghun Han, Namkyoo Park, Jae Hun Kim, Young Min Jhon and Seok Lee

CLEO/Pacific Rim 2009, Shanghai, China, August, 2009


114. Photonic Crystal Analog-Digital Converters based on Slow-light Structures (Invited Talk)

Sunkyu Yu, Sukmo Koo, and Namkyoo Park

International Conference on Advanced Infocomm Technology: ICAIT2009, Xian, China, July, 2009


113. Funneling of terahertz electromagnetic waves through nanogap device

M. A. Seo, H. R. Park, S. M. Koo, N. K. Park, O. K. Suwal, S. S. Choi, and D. S. Kim

paper CWG3, CLEO (Conference on Lasers and Electro-Optics), Baltimore, USA, June 2009


112. Optical multilevel DPSK systems with coded modulation

M. Sathish Kumar, Hosung Yoon, and Namkyoo Park

FMD2-C1, Photonics 2008, New Delhi, INDIA, December, 2008


111. All-optical read only memory having 2-Bit address

Young Jin Jung, Namkyoo Park, Young Min Jhon and S Lee

FTF2-C5, Photonics 2008, New Delhi, INDIA, December, 2008


110. Numerical Analysis of Photonic ADC based on photonic crystal CROW structures

Sukmo Koo, Sunkyu Yu and Namkyoo Park

Paper 62, COIN 2008, Akihabara, Tokyo, October 2008


109. Moving mask lithography for real-time synthesis of photopolymerized microstructures in microfluidic channels

Hyunsung Park, Kyoungsik Yu, Hyoki Kim, Namkyoo Park and Sunghoon Kwon

Paper T49A, uTAS 2008, San Diego, October 2008


108. ErxY2-xSiO5 thin film waveguide for high optical gain per length at 1.53 um

Kiseok Suh, Shinyoung Lee, Jee Soo Chang, Inyoung Kim, Jung Shin, Hansuek Lee and Namkyoo Park

art. no. 4638192, pp. 338-340, 5th International Conference on Group IV Photonics, Sorrento, September 2008


107. Characterization of nc-Si sensitized Er waveguide from PECVD / Er co-sputtered thin film (Invited Talk)

Hansuek Lee, Hojung Koh, Hyungsuk Yu, Kyoungmin Kim, Jae-Oh Byun, and Namkyoo Park

International Workshop on Sensitized Er doped waveguide amplifier/laser, Trento, April 2008


106. Analysis of Brillouin-Based Distributed Fiber Sensors Using Optical Pulse Coding

Prasant K. Sahu, Marcelo A. Soto, Jeonghwan Lee, Gabriele Bolognini, Namkyoo Park, and Fabrizio Di Pasquale

Paper OMT1, OFC 2008, San Diego, February 2008


105. All-optical 4-bit Gray code to binary coded decimal converter

Young Jin Jung, Seok Lee, Namkyoo Park

Paper 6890-28, SPIE Photonic West, San Jose, CA USA, January 2008


104. Coded Optical Time Domain Reflectometry : Principle and Applications (Invited Talk)

Namkyoo Park, Jeonghwan Lee, Jonghan Park, Jae Gwang Shim, Hosung Yoon, Kyoungmin Kim, Jae-Oh Byun, Gabriele Bolognini, Duckey Lee, Fabrizio Di Pasquale, 

Paper 6781-76, APOC 2007, Wuhan, November 2007


103. All-Optical Encryption System Employing XOR Logic Operations by Using XGM in SOAs

Young Jin Jung, Chang Wan Son, Seok Lee, Sang-Kun Gil, Hyung Seok Kim and Namkyoo Park

Paper ThPD4, NUSOD 2007, Delaware USA, September 2007


102. Fabrication of high aspect ratio structures in microfluidic channel using optofluidic maskless lithography

Sueun Chung, Wook Park, Hyunsung Park, Kyoungsik Yu, Namkyoo Park, and Sunghoon Kwon

Paper T4G, uTAS 2007, Paris, Oct 2007


101. Multi-port, multi-wavelength supervisory system for in-service monitoring of bi-directional WDM-PON systems

Jeonghwan Lee, Jonghan Park, Jae Gwang Shim, Hosung Yoon, Jin Hee Kim, Kyoungmin Kim, Jae-Oh Byun, and Namkyoo Park

Paper ThP_139, CLEO-PR, Seoul, August 2007


100. Demonstration of 10 Gbps Optical Encryption and Decryption by Using Semiconductor Optical Amplifiers

Chang Wan Son, Young Jin Jung, Seok Lee, Jae Hun Kim, Sang-Kun Gil, and Namkyoo Park

Paper WH3-3, CLEO-PR, Seoul, August 2007


99. Operation frequency tuning of photonic crystal switch utilizing electric field bias control

Seung Ah Lee, Sukmo Ku, Sunkyu Yu, Junseok Heo, and Namkyoo Park

Paper ThP_86, CLEO-PR, Seoul, August 2007


98. All-Optical Digital Logic Circuit based on NOR-Only Two-Level Simplification Method

Young Jin Jung, Chang Wan Son, Namkyoo Park, and Seok Lee

Paper P14, COIN-ACOFT, Melbourne, June 2007


97. Optimization of the material parameters for Silicon nanocluster sensitized Er-doped waveguide amplifier (Invited Talk)

Hansuek Lee, Hojung Ko, Soomin Cho, Seung-kyu Ha, Kyoungmin Kim, Jae-Oh Byun, Jung H. Shin and Namkyoo Park

Paper TuB2-1, COIN-ACOFT, Melbourne, June 2007


96. Optofluidic Maskless Lithography System

Sueun Chung, Wook Park, Hyunsung Park, Kyoungsik Yu, Namkyoo Park, and Sunghoon Kwon

Paper 3EA1.P, Transducers, Lyon, June 2007


95. Automatic EDFA Gain Spectrum Equalization Using LPFGs on Divided Coil Heaters

Jun Kye Bae, Dongyean Koh, Sang Hyuck Kim, Namkyoo Park, and Sang Bae Lee

Paper JThA22, OFC 2007, Anaheim, March 2007


94. Optical Bandpass Filter with Tunable Chromatic Dispersion and Optical Bandwidth Using a Variable MEMS Reflector

Kyoungsik Yu, Hansuek Lee, Namkyoo Park, Daesung Lee, and Olav Solgaard

Paper OWO3, OFC 2007, Anaheim, March 2007


93. Chip-scale high-speed Fourier-transform spectrometer based on a combination of a Michelson and a Fabry-Perot interferometer

Kyoungsik Yu, Daesung Lee, Namkyoo Park, and Olav Solgaard

Paper 1024, IEEE Sensors 2006, Daegu, October 2006


92. Improved Performance in Raman-Based Distributed Temperature Sensing with Coded OTDR and Discrete Raman Amplification

Gabriele Bolognini, Jonghan Park, Andrea Chiuchiarelli, Namkyoo Park, and Fabrizio Di Pasquale

Paper ThE45, OFS 2006, Cancun, October 2006


91. Next Generation Optical Amplifiers : requirements, bottlenecks, possible resolutions (Invited Talk)

Namkyoo Park

Nanoscale Energy Conversion and Information Processing Devices, Nice, September, 2006


90. Amplification characteristics of nanocluster-Si sensitized Er-doped waveguide amplifier using top-pumped blue-green LED

Hansuek Lee, Jung H. Shin, and Namkyoo Park

Paper 6352-106, APOC 2006, Gwangju, September 2006


89. Micromirror-based Scan Range Enhancement in Fourier-Domain Optical Coherence Tomography

Kyoungsik Yu, Namkyoo Park, Daesung Lee, and Olav Solgaard

Paper TuA1, Optical MEMS 2006, Montana, August 2006


88. Non-linear Optical Gate based on Auto-Correlated Cross Gain Modulation Effect in Folded Tandem-SOA

Young Jin Jung, and Namkyoo Park

Paper P1266, COIN 2006, Hyatt Regency Jeju, July 2006


87. Analysis of Long Period Fiber Grating using Thermally Tunable Multiport Lattice Model

Jun Kye Bae, Jinho Bae, Dongyean Koh, Sang Hyuk Kim, Namkyoo Park, and Sang Bae Lee

Paper P1249, COIN 2006, Hyatt Regency Jeju, July 2006


86. Compact Laser Scanning Sensor with a Two-Axis Gimbaled Microscanner for Volumetric Imaging

Kyoungsik Yu, Namkyoo Park, Daesung Lee, and Olav Solgaard

Paper CWL5, CLEO 2006, Long Beach, May 2006


85. Superresolution Image Enhancement in Digital Photomicrography by Subpixel Translation Using a Scanning Micromirror

Kyoungsik Yu, Namkyoo Park, Daesung Lee, and Olav Solgaard

Paper JTuD54, CLEO 2006, Long Beach, May 2006


84. Performance Enhancement of Raman-Based Distributed Temperature Sensors Using Simplex Codes

Gabriele Bolognini, Jonghan Park, Philhan Kim, Duckey Lee, Fabrizio Di Pasquale, and Namkyoo Park

Paper OTuL1, OFC 2006, Anaheim, March 2006


83. Design optimization of Raman amplified Transmission link (Invited Talk)

Namkyoo Park, Jonghan Park, Pilhan Kim, Jaehyoung Park, and Hansuek Lee

IT-FIO-15, ICOL 2005, Dehradun, December, 2005


82. Designing Raman amplifier : Amplifier, and Amplified links (Invited Talk)

Namkyoo Park, 

2nd Korea-Italy S&T Forum, Pisa, November 2005


81. Designing Raman amplified transmission systems : what's there and how to (Tutorial)

Namkyoo Park, Jonghan Park, Pilhan Kim, and Jaehyoung Park

6019-71, APOC 2005, Shanghai, November 2005


80. Nonlinear phase shift scanning method for the optimal design of Raman transmission systems

Jonghan Park, and Namkyoo Park

6021-47, APOC 2005, Shanghai, November 2005


79. Characterization of MEMS optical bandpass filters with narrow transition bands

Kyoungsik Yu, and Namkyoo Park

6021-101, APOC 2005, Shanghai, November 2005


78. High Gain And Low Noise Discrete Amplifier Based On A Second Order Raman Fiber Ring Oscillator

S. Faralli, Pilhan Kim, C. Cantini, G. Sacchi, G. Bolognini, Namkyoo Park and F. D. Pasquale

Th3.3.3, ECOC 2005, Glasgow, September 2005


77. Transient Analysis of 1.4/1.55um Dual-wavelength Pumped TDFA with Average Inversion Method

Pilhan Kim, Young Jin Jung, Ho Suhng Suh, and Namkyoo Park

7P-044, OECC 2005, Seoul, July 2005


76. Demonstration of Gain Clamping for the Dynamic Band Reconfiguration in Fiber Raman Amplifier

Pilhan Kim, Sun Hyok Chang, Kwangjoon Kim, and Namkyoo Park

6D2-2, OECC 2005, Seoul, July 2005


75. Micromachined Fourier Transform Spectrometer on Silicon Optical Bench Platform

Kyoungsik Yu, Daesung Lee, Uma Krishnamoorthy, Namkyoo Park, Olav Solgaard

Session 3A3.3, Transducers 2005, Seoul, June 2005


74. A Wavelength Selective Switch with Flat Passband Using a Free-Space Grating and MEMS Phase-Shifters, 

Kyoungsik Yu, Namkyoo Park, Daesung Lee, Olav Solgaard

Paper JTuC67, CLEO 2005, Baltimore, May 2005


73. Performance Optimization of nanocrystal-Si sensitized Er-doped Waveguide Amplifier

Hansuek Lee, Namkyoo Park, Se-Young Seo and Jung H. Shin

Paper OWF2, OFC 2005, Anaheim, March 2005


72. Recent advances in nanocrystal-Si sensitized, Er-doped silica waveguide amplifiers (Invited Talk)

Jung H. Shin, Se-Young Seo, Namkyoo Park and Hansuek Lee

Paper OWF1, OFC 2005, Anaheim, March 2005


71. Semi-Analytic Gain Control Algorithm for the Fiber Raman Amplifier under Dynamic Channel Reconfiguration, 

Pilhan Kim and Namkyoo Park

Paper OTuN5, OFC 2005, Anaheim, March 2005


70. 470 nm LED-Pumped Optical Waveguide Amplifier based on Nanocrystal-Si Sensitized, Er-Doped Silica (Invited Talk)

Jinku Lee, Jung H. Shin, Namkyoo Park

Paper FD2, First International Conference on Group IV Photonics 2004, Hong Kong, October 2004


69. Analysis and Experimental Demonstration of Simplex Coding Technique for SNR Enhancement of OTDR, 

Duckey Lee, Hosung Yoon, Na Young Kim, Hansuek Lee, and Namkyoo Park

Paper LTIMC-15, IEEE LTIMC, New York, October 2004


68. SNR Improvement of a Non-Coherent OTDR Using Biorthogonal Codes and Moore-Penrose Generalized Inverses, 

Duckey Lee, Hosung Yoon, Na Young Kim, and Namkyoo Park

Paper We4, ECOC 2004, Stockholm, September 2004


67. Receiver Structure of Generalized M-ary Optical DPSK System And Its Semi-analytical Performance Evaluation, 

Hosung Yoon, Duckey Lee and Namkyoo Park

Paper 14C3-4, OECC 2004, Yokohama, July 2004


66. Closed integral form expansion of Raman equation and its iteration method for highly efficient Raman amplifier analysis, 

Lark Kwon Choi, Jaehyoung Park, Pilhan Kim, Jonghan Park and Namkyoo Park

Paper 13P-85, OECC 2004, Yokohama, July 2004


65. Optical gain at 1.5um in nanocrystal Si sensitized, Er-doped silica waveguide using top-pumping 470 nm LED (Post Deadline),

Jinku Lee, Jung H. Shin, and Namkyoo Park

Paper PDP19, OFC 2004, Los Angeles, Feburary 2004


64. Complete characterization of various Raman Amplifier noise components using Optical Time Domain Reflectometry, 

Jonghan Park, Na Young Kim, Wonsub Choi, Hansuek Lee, Jaehyoung Park, and Namkyoo Park

Paper WJ5, OFC 2004, Los Angeles, Feburary 2004


63. Structural detuning of pump absorption rate in doped fiber for the enhancement of power conversion efficiency, 

Hansuek Lee, Choonghee Lee, Wonsub Choi, and Namkyoo Park

Paper FB2, OFC 2004, Los Angeles , Feburary 2004 


62. MEMS Fiber-Optic Variable Optical Attenuator using Collimating Lensed Fiber

Che-Heung Kim, Jaehyoung Park, Namkyoo Park, and Yong-Kweon Kim

Paper WP8, IEEE/LEOS OPTICAL MEMs, Hawaii, August 2003


61. S/S+ band tunable thulium doped fiber laser anchored on 50GHz ITU-T Grid

Jonghan Park, Seong Joon Ahn, Hoseong Seo, and Namkyoo Park

Paper 16C1-2, OECC 2003, Shanghai, October 2003 


60.Effects of signal spectrum bandwidth on different PMD compensation feedback methods

Na Young Kim, Duckey Lee, Sangin Kim, and Namkyoo Park

Paper 15D4-5, OECC 2003, Shanghai, October 2003 


59. Semi-empirical, multi-wavelength Raman gain engineering algorithm with pump interaction compensation technique, 

Jaehyoung Park, Jonghan Park, Hansuek Lee, and Namkyoo Park

Paper 16C3-3, OECC 2003, Shanghai, October 2003 


58. MEMS Reflective Type Variable Optical Attenuator Using Off-Axis Misalignment

Che-Heung Kim, Namkyoo Park, and Yong-Kweon Kim

Paper WB5, LEOS 2002, Lugano, August 2002


57. Chirp-Assisted, Sinusoid to Picosecond Pulse Compressor with a Single-electrode Mach-Zehnder Modulator

Kyoungmin Kim, Jonghan Park, and Namkyoo Park

Paper 12D4-5, OECC 2002, Yokohama, July 2002 


56. Power-weighted two-dimensional OCDMA code for Broadcasting Network

Hansuek Lee, Jaewoo Choi, Sang young Kim, Pilhan Kim, and Namkyoo Park

Paper 11A1-4, OECC 2002, Yokohama, July 2002 


55. Simple Algorithm for the Design of Gain Flattened Raman Amplifier

Jaehyoung Park, Hansuek Lee, Pilhan Kim, and Namkyoo Park

Paper 10D2-3, OECC 2002, Yokohama, July 2002


54. Fiber Amplifiers in Next Generation Optical Networks (Invited Talk)

Namkyoo Park, Won Jae Lee, Pilhan Kim, Jaeoh Byun, and Jaehyoung Park

Paper 9D1-1, OECC 2002, Yokohama, July 2002 


53. Gain excursion & tilt compensation algorithm for TDFA using 1.4mm/1.5mm Dual Wavelength Pump Control, 

Won Jae Lee, Choonghee Lee, Jae-Oh Byun, Jonghan Park, and Namkyoo Park

Paper ThZ3, OFC 2002, Annaheim, MAR, 2002.


52. Study on the transient response for 1.4mm / 1.5mm dual wavelength pumped thulium-doped fiber amplifiers, 

Jae-Oh Byun, Won Jae Lee, Choonghee Lee, and Namkyoo Park

Paper ThZ2, OFC 2002, Annaheim, MAR, 2002. 


51. Performance optimization of distributed Raman amplifier using optical pump time domain reflectometry

Pilhan Kim, Jaehyoung Park, Jonghan Park, and Namkyoo Park

Paper ThB5, OFC 2002, Annaheim, MAR, 2002.


50. Continuous-wave pumped holey fiber Raman laser

Johan Nilsson, Romeo Selvas, Walter Belardi, Ju Han Lee, Zulfadzli Yusoff, Tanya Monro, Dave Richardson, Kap Dong Park, Pilhan Kim, and Namkyoo Park, Paper WR6, OFC 2002, Annaheim, MAR, 2002.


49. Second order PMD compensation using correlation factor between degree of polarization and depolarization rate, 

Na Young Kim, Jaehyoung Park, Hyunho Kim and Namkyoo Park

Paper WI6, OFC 2002, Annaheim, MAR, 2002.


48. Numerical Analysis Techniques for Wideband Amplifiers (Invited Talk)

Namkyoo Park, Won Jae Lee, Bumki Min, and Jaehyoung Park

Paper 4604-04, Optoelectronics and Microelectronics 2001(SPIE), Nanjing, November 2001. 


47. Flat Amplitude, 798-Channel Raman assisted Brillouin/Rayleigh Multi-wavelength Comb Generator

Kap-Dong Park, Bumki Min, Philhan Kim, and Namkyoo Park

Paper WJPD1-3, CLEO/Pacific Rim 2001, Chiba, July, 2001. 


46. Novel In-service Monitoring System for the Optically Amplified WDM Transmission Link by Optical Time Domain Reflectometry,

Pilhan Kim, Hosung Yoon, Jae-eun Seo, Ki-Won Ryoo, Justin Blow, Simon Fleming, and Namkyoo Park, 

pp. 365-366, OECC/IOOC'2001, Sydney, July, 2001. 


45. Constant inversion black box model of EDFA's including the effects of loss mechanisms

Bumki Min, Won Jae Lee, Jaehyoung Park, and Namkyoo Park

Paper OTuE6, OAA, July, 2001.


44. Study on the Pumping Wavelength Dependency of S/sup+/-band Fluoride based Thulium Doped Fiber Amplifiers, 

Won Jae Lee, Bumki Min, Jaehyoung Park, and Namkyoo Park

Paper TuQ5, OFC 2001, Annaheim, MAR, 2001.


43. Analysis on the Limitation of PMD Compensator in the 10Gbps Transmission System with Polarization Dependent Loss, 

Na Young Kim, Duckey Lee, Hosung Yoon, and Namkyoo Park

Paper WT6, OFC 2001, Anaheim, MAR, 2001.


42. Theoretical Investigation on the Timing Control of Soliton by Colliding with Continuous Wave

Kyoungmin Kim, and Namkyoo Park

Paper 12P-7, OECC 2000, Makuhari Messe, July, 2000. 


41. Efficiency improved Modeling of Raman Fiber Amplifiers Based on Average Power Analysis

Bumki Min, Won Jae Lee, Sungho Bae and Namkyoo Park

Paper 11B-1, OECC 2000, Makuhari Messe, July, 2000. 


40. Novel wavelength-time spreading optical CDMA system using arrayed-waveguide grating

Kyoungsik Yu, Jongyoon Shin, and Namkyoo Park

Paper FD6, OFC 2000, Baltimore, MAR, 2000.


39. Analysis on the Network Oscillations in the Amplified WDM Ring Network - Dependency on the Channel Power Equalizer Speed and Network Span Length, 

Pilhan Kim, Sungho Bae, Jihyun Kim, Hyunyong Choi,Seong Joon Ahn, Hee-gon Woo, and Namkyoo Park

Paper ThD6, OFC 2000, Baltimore, MAR, 2000.


38. Design Parameters of Dispersion Decreasing Fiber based OTDM source : Quasi-adiabatic Higher-order Soliton Compression from Sinusoidal Input Signal, 

Duckey Lee, Na Young Kim, Kyoung Min Kim, and Namkyoo Park

Paper WM6, OFC 2000, Baltimore, MAR, 2000.


37. 53-Line Multi-wavelength Generation in Brillouin/Erbium Fiber Laser with Enhanced Stokes Feedback Coupling, 

Kap-Dong Park, Jae-Hyoung Park, Namkyoo Park, Jai-Hyung Lee, and Joon-Sung Chang

Paper ThA4, OFC 2000, Baltimore, MAR, 2000


36. Application of the Differential ASE Power Monitoring Approach to the Cascaded EDFA's Link-Control Gain Clamping Method,

Hosung Yoon, Jaehyoung Park, Seong Joon Ahn, and Namkyoo Park

pp. 1363~1364, APCC/OECC'99, Beijing, OCT, 1999.


35. In-service Monitoring of Cascaded EDFA WDM links Using Counter-propagating OTDR pulses

Sungho Bae, Duckey Lee, Byoung chul Lee, Kwonhoon Han, and Namkyoo Park

pp. 436~437, APCC/OECC'99, Beijing, OCT, 1999.


34. Performance Improvement of Wideband EDFA by ASE Injection from C band to L band Amplifier

Bumki Min, Hosung Yoon, Wonjae Lee, Jungmi Kim and Namkyoo Park

pp. 1346~1347, APCC/OECC'99, Beijing, OCT, 1999.


33. Demonstration of 540-dB Loss Compensation over 52nm Gain Bandwidth with Wideband Erbium-Doped Fiber Amplifiers, 

Hee Sang Chung, Mun Seob Lee, Donghan Lee, Namkyoo Park, Seong Joon Ahn, and Yeon Wan Koh

Paper ThH 1 CLEO/PR 99, Seoul, Sep, 1999.


32. Simulation of cascaded gain-temperature dependence on 40 channel - 50 EDFA WDM link under temperature fluctuations, 

Won Jae Lee, Bumki Min, and Namkyoo Park

Paper ThH 2 CLEO/PR 99, Seoul, Sep, 1999. 


31. Extension of dispersion decreasing fiber - pulse shaping method for the optical time division multiplexing system source applications, 

Duckey Lee, Hosung Yoon, Namkyoo Park

Paper FA 1 CLEO/PR 99, Seoul, Sep, 1999.


30. Simultaneous Measurement of Strain and Temperature using a Single fiber Bragg Grating written in Erbium-Ytterbium Doped Fiber,

Jaehoon Jung, Hui Nam, Namkyoo Park, and Byoungho Lee

Paper CThI2 CLEO 99, Baltimore, May, 1999.


29. Er3+ Doped Fiber Fluorescent Sources with 80 nm Bandwidth through Seed Photon Generation in the Unpumped EDF, 

Ju Han Lee, Uh-Chan Ryu, and Namkyoo Park

Paper OFS-13 .P2-14, Kyongju, Apr., 1999.


28. Improvement of 157~1.61 um Band Amplification Efficiency by Recycling Wasted Backward ASE through the Unpumped EDF, 

Ju Han Lee, Uh-Chan Ryn, and Namkyoo Park

Paper WA3 OFC99 , San Diego, Feb., 1999.


27. Simultaneous Measurement of Strain and Temperature using a Single fiber Bragg Grating with Erbium Doped Fiber Amplifier,

Jaehoon Jung, Hui Nam, Ju Han Lee, Namkyoo Park, and Byoungho Lee

Paper LEOS 98 Proceedings Vol.1 403-404, Orlando Florida , Dec., 1998.


26. Gain Temperature Dependence of a 1.57 ~ 1.61mm Band Aluminum-Codoped Silica Based Erbium Amplifier, 

Ju Han Lee, Uhchan Ryu, and Namkyoo Park

Paper 14P-44, OECC, Tokyo, 1998


25. Split-stage Equalization Filter Approach for Noise Figure Reduction in Multi-channel Gain Flattened EDFA, 

Ju Han Lee, and Namkyoo Park

Paper CWK4, CLEO, San Francisco, 1998


24. Dynamic Gain Equalization of Erbium Doped Fiber Amplifier using Acousto-optic Tunable Filters,

Hyo Sang Kim, Seok Hyun Yoon, Hyang Kyun Kim, Namkyoo Park, and Byung Yoon Kim

Paper WG4, OFC, San Jose, 1998


23. Temperature Dependent Distortion of Multi-channel Gain Flatness for Silica, and ZBLAN based Erbium Amplifiers, 

Ju Han Lee, and Namkyoo Park

Paper WG1, OFC, San Jose, 1998


22. The Optimization of EDF in respect to the Performance of WDM

B. J. Park, D. H. Lee, M.Y. Hong, and Namkyoo Park

Optoelectronics and Communications Conference, Seoul, July, 1997


21. Design Considerations on Double Rayleigh Backscattering in Distributed Amplifiers for CATV and Digital Transmission, 

Namkyoo Park, and Changsup Shim

Optoelectronics and Communications Conference, Seoul, July, 1997


20. Hybrid Multi-stage Optical Amplifier for WDM Applications

Paul F. Wysocki, and Namkyoo Park

Optical Amplifiers and Their Applications, Monterey, CA, 1996


19. Dispersion Precompensated, High Power Er-Yb Linear Amplifier with Gain Tilt Optimization over 11nm

Namkyoo Park, Torben N. Nielsen, Jay R. Simpson, Paul F. Wysocki, Renee Pedrazzani, Ashish Vengsarkar, David J. DiGiovanni, Steve G. Grubb, David Peckham, Mark Haner and Kenneth L. Walker, Paper ThR3, OFC, San Diego, CA, 1996


18. Raman Amplifier with Improved System Performance

Andrew J. Stentz, Steve G. Grubb, Clifford E. Headly III, Jay R. Simpson, Tom A. Strasser, and Namkyoo Park, 

Paper TuD3, OFC, San Diego, CA, 1996


17. Four-Wave Mixing in Semiconductor Optical Amplifiers for Wavelength Conversion & THz Spectroscopy (Invited Talk)

Kerry J. Vahala, Jianhui Zhou, Namkyoo Park, Jay W. Dawson, Michael A. Newkirk, and Barry I. Miller, 

CLEO, 1995


16. An intra-cavity fiber frequency shifter, phase conjugator (Post Deadline)

Jefferson Wagner, Jay Simpson, Kenneth L. Walker, Stephen G. Grubb, Victor Mizrahi, David J. DiGiovanni, Namkyoo Park, 

Paper PD7, OFC, San Jose, CA, 1995


15. Terahertz Four-Wave Mixing in Semiconductor Optical Amplifiers: Physics and Applications (Invited Talk)

Jianhui Zhou, Namkyoo Park, Kerry J. Vahala,Michael A. Newkirk, and Barry I. Miller

SPIE Photonics West, San Jose, CA, 1995


14. Efficient, Broadband, Wavelength Conversion by Four-Wave Mixing in Semiconductor Travelling-Wave Amplifiers, 

Jianhui Zhou, Namkyoo Park, Kerry J. Vahala, Michael A. Newkirk, and Barry I. Miller

Paper ThOO3, OSA'94, Dallas. TX, 1994


13. High Efficiency, Broadband, Wavelength Conversion by Four-Wave Mixing in Semiconductor Travelling-Wave Amplifiers, 

Jianhui Zhou, Namkyoo Park, Kerry J. Vahala, Michael A. Newkirk, and Barry I. Miller

Paper FC3, Optical Amplifiers and Their Applications, Brickenridge, CO, 1994


12. Inter Quantum-Well Carrier Transport Probed by THz Four-Wave Mixing Spectroscopy in a Semiconductor Optical Amplifier,

Jianhui Zhou, Namkyoo Park, Kerry J. Vahala, Michael A. Newkirk, and Barry I. Miller, 

Paper CThF1, CLEO, Anaheim, CA, 1994


11. Broadband Optical Wavelength Conversion with Gain by Four-Wave Mixing in a Semiconductor Travelling-Wave Amplifier, 

Kerry J. Vahala, Jianhui Zhou, Namkyoo Park, Michael A. Newkirk, Uzi Koren and Barry I. Miller, 

Paper CPD4, CLEO, 1994


10. Four-Wave Mixing in Semiconductor Travelling-Wave Amplifiers for Efficient, Broadband Wavelength Conversion up to 65 nm,

Kerry J. Vahala, Jianhui Zhou, Namkyoo Park, Michael A. Newkirk, Uzi Koren and Barry I. Miller, 

Paper THOO3, IEEE Nonlinear Optics Conference, 1994


9. Wide-Band Lossless Wavelength Conversion by Four-Wave Mixing in Semiconductor Travelling-Wave Amplifiers, 

Jianhui Zhou, Namkyoo Park, Kerry J. Vahala, Michael A. Newkirk, and Barry I. Miller

Paper CThA7, CLEO, Anaheim, CA, 1994


8. Tunable Single-Frequency, All-fiber, Erbium Doped Ring Lasers (Invited Talk)

Kerry J. Vahala, Namkyoo Park, Jay W. Dawson, Steve Sanders

LEOS, San Jose, CA, 1993


7. Efficiency of Broadband Wavelength Conversion by Four-Wave Mixing in Semiconductor Traveling-Wave Amplifiers, 

Jianhui Zhou, Namkyoo Park, Jay W. Dawson, Kerry J. Vahala, Michael A. Newkirk, and Barry I. Miller, 

Paper OS3.2, LEOS, San Jose, CA, 1993


6. Terahertz Four-Wave Mixing Spectroscopy of Intraband Dynamics in Quantum-Well Amplifiers (Post Deadline)

Kerry J. Vahala, Jianhui Zhou, Namkyoo Park,Jay W. Dawson, Michael A. Newkirk, and Barry I. Miller, 

Paper CPD2, CLEO, Baltimore, MD, 1993


5. Measurement of Gain Nonlinearity in a Strained Multiple-Quantum-Well Optical Amplifier by Highly Nondegenerate Four-Wave Mixing 

Kerry J. Vahala, Jianhui Zhou, Namkyoo Park, Jay W. Dawson, Michael A. Newkirk, Uzi Koren and Barry I. Miller, 

Paper JThA6, CLEO, Baltimore, MD, 1993


4. Tunable Single-Frequency Erbium Fiber Ring Lasers (Invited Talk)

Kerry J. Vahala,Jay W. Dawson, Namkyoo Park, Steve Sanders

Paper CThR6, CLEO, Baltimore, MD, 1993


3. Measurement of Intensity Noise in a Single-Frequency Erbium-Doped Fiber Ring Laser and Calibration Relative to the Standard Quantum Limit, 

Namkyoo Park, Steve Sanders, Jay W. Dawson and Kerry J. Vahala, 

Paper CWE5, CLEO, Anaheim, CA, 1992


2. Low Frequency Intensity Noise Characterization of an All-Fiber Single-Frequency Erbium Ring Laser

Jay W. Dawson, Namkyoo Park and Kerry J. Vahala

Paper ThLL3, OSA, Albuquerque, NM, 1992


1. Suppression of Mode-Hopping in a Single-Longitudinal-Mode Erbium Doped Fiber Laser Using Tandem Fiber Fabry-Perot Filters, Jay W. Dawson, Namkyoo Park, Calvin C. Miller and Kerry J. Vahala

Paper WA5, OFC, San Jose, CA, 1992