Books / Patents

Books

4." Top-Down Design of Disordered Photonic Structures - Multidisciplinary Approaches Inspired by Quantum and Network Concepts"

Sunkyu Yu, Xianji Piao, and Namkyoo Park

Springer Nature, Singapore, 2019

3." Fano-Resonant Excitations Of Generalized Optical Spin Waves"

in "Fano Resonances in Optics and Microwaves "(edited by Eugene Kamenetskii)

Xianji Piao, Sunkyu Yu, and Namkyoo Park

Springer Nature, Switzerland, 2018, Chapter 2, pp.

2."Advances in Optical Differential Phase Shift Keying and Proposal for an Alternative Receiving Scheme for Optical Differential Octal Phase Shift Keying"

in "Optical Fibers Research Advances" (edited by Jürgen C. Schlesinger)

M. Sathish Kumar, Hosung Yoon and Namkyoo Park

Nova, USA, 2008, Chapter 8, pp. 231-256.

1."Application of Numerical Analysis Techniques for the Optimization of Wideband Amplifier Performances"

in "Guided Wave Optical Components and Devices" (edited by B. P. Pal)

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

Elsevier, USA, 2005, Chapter 10, pp. 155-172.

Patents

52. "Nonlinear unitary photonic device,"

US 19/048370 Feb 07, 2025, Pending

EU 25156862.2 Feb 10, 2025, Pending

KR 10-2025-0005056 Jan 13, 2025, Pending

51. "Photonic integrated circuits for realizing non-Abelian gauge fields,"

US 19/038487 Jan 27, 2025, Pending

KR 10-2024-0147067 Oct 24, 2024, Pending

50. "Apparatus and method for designing metasurface,"

US 19/066055 Feb 27, 2025, Pending

KR 10-2025-0005055 Jan 13, 2025, Pending

49. "Quantum circuit designing apparatus and method,"

US 18/422939 Jan 25, 2024, Pending

KR 10-2023-0068467 May 26, 2023, Pending

48. "Topologically-protected all-optical memory,"

KR 2624621 Jan 9, 2024

47. "Transparent reflective panel capable of selective reflection and manufacturing method thereof,"

KR 2746381 Dec 19, 2024

46. "Stereoscopic liquid crystal display device using polarized glasses method,"

KR 2802285 Apr 25, 2025

45. "Acoustic focusing transducer,"

KR 2613557 Dec 8, 2023

44. "Method for preparing the smart color film, smart color film, optical display comprising the smart color film and enciphering system using the smart color film,"

KR1020210143578 Jul 8, 2024, pending

43. "Method and apparatus of magnetic field mode-shaping in magnetic resonance imaging, pad manufactured by using the same, computer program,"

KR 2518147 Mar 31, 2023

42. "Device and method for designing materials using deep learning,"

US 17/644445 Dec 15, 2021, Pending

KR 2708560 Sep 13, 2024

41. "High resolution transparent smart film,"

KR 2373367 Mar 7, 2022

40. "Smart color filter,"

KR 2373366 Mar 7, 2022

39. "Thin layer solar cell,"

KR 20190129147 Oct 17, 2019, pending

38. "Thin layer solar cell,"

KR 2250279 May 3, 2021

37. "High power conversion efficiency solar cell based on the spatial corrugation,"

KR 2099184 Apr 3, 2020

36. "Meta Atom for Controlling Acoustic Parameters and Metamaterials Comprising the Same,"

US 10043508B2 Aug 7, 2018

KR 1825480B1 Mar 23, 2018

35. "Organic solar cell and the method of manufacturing the same,"

KR 1567923 Nov 4, 2015

34. "High-Q perfect light absorber and optical devices using the same,"

KR 1743158 May 29, 2017

33. "Photonic device for use in surface plasmon surface plasmon integrated circuits,"

KR 1362130 Feb 6, 2014

32. "Junction Structure for Wave Propagation, Wave Diode and Wave Half Adder using the Same,"

US 8737790B2 May 27, 2014

KR 1232689 Feb 6, 2013

WO 2013002520 A3 Apr 4, 2013

31. "Near-field Scanning Optical Microscope,"

KR 1287499 Jul 12, 2013

30. "Plasmonic Element"

KR 1167638 Jul 16, 2012

29. "Biomolecule analyzer having nano-size cavity with V shaped groove array,"

KR 1493751 Feb 10, 2015

28. "Optical probe on pyrmaidal structure with periodic gratings,"

KR 1185105 Sep 17, 2012

27. "Out of plane mode conversion and manipulation of Surface Plasmon Polariton Waves for Optical devices,"
KR 1104364 Jan 03, 2012

26. "AD Converter using Photonic Crystal,"

KR 1433656B1 Aug 27, 2014

US 7684662B2 Mar 23, 2010

25. "Method and Apparatus for Testing Optical Fiber by Using Biorthogonal Codes and Moore-Penrose Generalized Inverses,"
KR 0641317 Oct 25, 2006

US 7065286B1 Jun 20, 2006

24. "Gain Clamping Method and Gain Clamping Device for the Fiber Raman Amplifier,"
KR 725224 May 29, 2007

23. "Optimizing Method and Optimized Design System for Fiber Raman Amplifier,"

KR 566860 Mar 27, 2006

22. "Gain-Providing Optical Power Equalizer,"
ZL 03806144.9 Sep 5, 2007

US 7206124 Apr 17, 2007

KR 0458678 Nov 17, 2004

21. "Optical Time Domain Reflectometer,"
KR 0492193 May 20, 2005

20. "Optical device,"
KR 0442066 Jul 19, 2004

19. "Arrayed optical device having enhanced pump efficiency,"
ZL 03805809.X Sep 6, 2006

KR 0475410 Feb 25, 2005

18. "Optical device and its array,"
ZL 03805729.8 Sep 13, 2006

KR 0475412 Feb 25, 2005

17. "Method for compensating Polarization Mode Dispersion,"

KR 0442067 Jul 19, 2004

16. "Fiber Raman Amplifier,"

KR 0488195 Apr 28, 2005

15. "Top-Pumped Waveguide Amplifier,"
ZL 03802966.9 Sep 20, 2006

US 7075708 Jul 11, 2006

KR 0442063 Jul 19, 2004

14. "Frequency stabilizing means and methods for multichannel light source,"
KR 0556209 Feb 22, 2006

13. "Optical Power Meter,"
KR 0442063 Jul 19, 2004

12. "Multi-channel light source with high-power and highly flattened output,"
KR 0488193 Apr 28, 2005

11. "In-service monitoring of WDM amplified systems using counter-propagating OTDR pulses,"

KR 0341932 Jun 12, 2002

10. "Two-stage L-band optical amplifier with low noise figure and high gain,"

KR 0341215 Jun 5, 2002

US09/702249

9. "Raman fiber amplifier with enhanced signal to noise ratio,"

KR 0326151 Feb 27, 2002

8. "Seed photon generator for High efficiency, Broadband ASE source,"
ZL 99118712.1 Sep 7, 2005

NL 1013029C C2 Dec 23, 2003

KR 0396285 Aug 19, 2003

IT 1313753 B1 Sep 17, 2002

US 6330384 Dec 11, 2001

GB 2341719 Dec 27, 2000

CN1248706 A

DE19943370 A1

FR2784810 A1

JP3145996 B2 B2

7. "High efficiency EDFA with a secondary pumping effect,"
JP 3571967B2 B2 Sep 29, 2004

CN 1134702C C Jan 14, 2004

NL 1012894C C2 Jun 03, 2003

IT 1313112 B1 Jun 17, 2002

US 6222670 B1 Apr 24, 2001

GB 2340989 B Sep 06, 2000

DE19940309 A1

FR2782851 A1

6. "Parallel structure for highly efficient, wideband EDFA,"
FR 2786325 B1 Nov 05, 2004

CN 1138178C C Feb 11, 2004

NL 1013531C C2 May 08, 2003

IT 1313908 B1 Sep 26, 2002

KR 0318942 Dec 14, 2001

DE 19947111 C2 Nov 08, 2001

US 6317254 Nov 13, 2001

GB 2344210 B Apr 04, 2001

JP 3068101B2 B2 Jul 24, 2000

5. "Multi stage Amplifier with Flattened gain curves,"
CA 2276776 Feb 04, 2003

US 6473549 Oct 29, 2002

KR 0251557 Jan 12, 2000

CN1246182 T T

EP0944858 A1

WO9918476 A1

4. "Hybrid fiber approach for temperature dependent gain distortion suppression,"
CN 1109386C C May 21, 2003

EP 0944939 B1 Apr 09, 2003

KR 0267861 Jul 08, 2000

CA2274884 A1

DE69813176 T T2

DE69813176 D D1

JP2000512439 T T

WO9919949 A1

3. "Gain value independent Multichannel gain clamping method,"
KR P-305106 Jun 26, 2001

2. "Article comprising Hybrid Optical Fiber Amplifier,"
US 005731892A Mar 24, 1998

EP 0803944B1 Jul 11, 2001

1. “Improved Fiber Optic Ring Laser,"
US 005504771A Apr 2, 1996