Featured Recent Publications

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201. Long-range-interacting topological photonic lattices breaking channel-bandwidth limit

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

Light: Science & Applications (nature journal) 13, 189, September 2024


200. Nonreciprocal field transformation with active acoustic metasurfaces

Xinhua Wen, Choonlae Cho, Xinghong Zhu, Namkyoo Park, and Jensen Li

Science Advances, vol. 10, no. 22, eadm9673, May 2024


199. Programmable Photonic Time Circuits for Highly Scalable Universal Unitaries

Xianji Piao, Sunkyu Yu, and Namkyoo Park

Physical Review Letters, vol. 132, iss. 10, pp. 103801, March 2024


198. Photonic Topological Spin Pump in Synthetic Frequency Dimensions

Joseph Suh, Gyunghun Kim, Hyungchul Park, Shanhui Fan, Namkyoo Park, and Sunkyu Yu

Physical Review Letters, vol. 132, iss. 3, pp.033803, January 2024


196. Acoustic Amplifying Diode Using Nonreciprocal Willis Coupling

Xinhua Wen, Heung Kit Yip, Choonlae Cho, Jensen Li, and Namkyoo Park

Physical Review Letters, vol. 130, iss. 17, pp.176101, April 2023


195. Heavy tails and pruning in programmable photonic circuits for universal unitaries

Sunkyu Yu, and Namkyoo Park

Nature Communications, vol. 14, no. 1853, April 2023


194. Scalable manufacturing of high-index atomic layer–polymer hybrid metasurfaces for metaphotonics in the visible

Joohoon Kim, Junhwa Seong, Wonjoong Kim, Gun-Yeal Lee, Seokwoo Kim, Hongyoon Kim, Seong-Won Moon, Dong Kyo Oh, Younghwan Yang, Jeonghoon Park, Jaehyuck Jang, Yeseul Kim, Minsu Jeong, Chanwoong Park, Hojung Choi, Gyoseon Jeon, Kyung-il Lee, Dong Hyun Yoon, Namkyoo Park, Byoungho Lee, Heon Lee, and Junsuk Rho

Nature Materials, March 2023


193. Unidirectional scattering with spatial homogeneity using correlated photonic time disorder

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

Nature Physics, February 2023


191. 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

Science Advances, vol. 8, no. 40, October 2022


177. Dispersion-controlled gold-aluminum-silicon dioxide-aluminum nanopawn structure for visible to NIR light modulation

Jusung Park†, Sungjun In†, and Namkyoo Park

Advanced Materials (cover paper), vol. 33, iss. 15, no. 2007831, April 2021


176. Engineered disorder in photonics (Invited, Review Paper)

Sunkyu Yu, Cheng-Wei Qiu, Yidong Chong, Salvatore Torquato, and Namkyoo Park

Nature Reviews Materials, vol. 6, iss. 3, pp. 226–243, March 2021


173. Machine learning identifies scale-free properties in disordered materials

Sunkyu Yu, Xianji Piao, and Namkyoo Park

Nature Communications, vol. 11, no. 4842, September 2020


172. Topological Hyperbolic Lattices

Sunkyu Yu, Xianji Piao, and Namkyoo Park

Physical Review Letters (cover paper), vol. 125, iss. 5, pp. 053901, July 2020


167. Digitally Virtualized atoms for acoustic metamaterials

Choonlae Cho†, Xinhua Wen†, Namkyoo Park and Jensen Li

Nature Communications, vol. 11, no. 251, January 2020


161. Design of transverse spinning of light with globally unique handedness

Xianji Piao, Sunkyu Yu, and Namkyoo Park

Physical Review Letters, vol. 120, iss. 20, pp. 203901, May 2018


160. Bohmian photonics for independent control of the phase and amplitude of waves

Sunkyu Yu, Xianji Piao, and Namkyoo Park

Physical Review Letters, vol. 120, iss. 19, pp. 193902, May 2018


147. Metadisorder for designer light in random systems

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

Science Advances, vol. 2, no. 10, pp. e1501851, October 2016


146. Acoustic omni meta-atom for decoupled access to all octants of a wave parameter space

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

Nature Communications, vol. 7, no. 13012, September 2016


138. Graphene-ferroelectric metadevices for nonvolatile memory and reconfigurable logic-gate operations

Woo Young Kim, Hyeon-Don Kim, Teun-Teun Kim, Hyun-Sung Park, Kanghee Lee, Hyun Joo Choi, Seung Hoon Lee, Jaehyeon Son, Namkyoo Park, and Bumki Min

Nature Communications, vol. 7, no. 10429, January 2016


133. Bloch-like waves in random-walk potentials based on supersymmetry

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

Nature Communications, vol. 6, no. 8269, September 2015


119. Atomic Layer Lithography of Wafer-Scale Nanogap Arrays for Extreme Confinement of Electromagnetic Waves

Xiaoshu Chen, Hyeong-Ryeol Park, Matthew Pelton, Xianji Piao, Nathan C. Lindquist, HyungSoon Im,

Yun Jung Kim, Jae Sung Ahn, Kwang Jun Ahn, Namkyoo park, Dai-Sik Kim, and Sang-Hyun Oh

Nature Communications, vol. 4, no. 2361, September 2013


109. Flexible, Angle-Independent Structural Color Reflectors Inspired by Morpho Butterfly Wings

Kyungjae Chung†, Sunkyu Yu†, Chul-Joon Heo, Jae Won Shim, Seung-Man Yang, Moon Gyu Han, Hong-Seok Lee, Yongwan Jin, SangYoon Lee, Namkyoo Park, and Jung H. Shin

Advanced Materials (cover paper, also featured in Research Highlight of Nature), vol. 24, iss. 18, pp. 2375-2379, April 2012


104. Bethe-Hole Polarization Analyser for the Magnetic Vector of Light

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

Nature Communications, vol. 2, no. 451, August 2011


100. A Terahertz Metamaterial with Unnaturally High Refractive Index

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

Nature, vol. 470, pp. 369-373, February 2011


90. Extraordinary Magnetic Field Enhancement with Metallic Nanowire :
Role of Surface Impedance in Babinet’s Principle for Sub-Skin-Depth Regime

Sukmo Koo, M. Sathish Kumar, Jonghwa Shin, DaiSik Kim, and Namkyoo Park

Physical Review Letters, vol. 103, no. 26, pp. 263901, December 2009


87. Terahertz Field Enhancement by a Metallic Nano Slit Operating beyond the Skin-Depth Limit

M. A. Seo, H. R. Park, S. M. Koo, D. J. Park, J. H. Kang, O. K. Suwal, S. S. Choi, P. C. M. Planken, G. S. Park, N. K. Park, Q. H. Park, and D. S. Kim

Nature Photonics, vol. 3, no. 3, pp. 152-156, March 2009