獲得博士學位後所發表在SCI或EI收錄之國際期刊論文

1. Min-Hua Ho, Keh-Yi Lee, Chung-I G. Hsu, and Jia-Ming Chiau, “Phase Inverter Design Using Substrate-Integrated Coaxial Line with Wideband Performance,” Microwave and Optical Technology Letters (SCI), vol. 66, no. 7, DOI:10.1002/mop.34236, June. 2024.

2. Min-Hua Ho, Keh-Yi Lee, Wanchu Hong, and Gwan-Wei Su, “Design of 3-dB Parallel-line Coupler Using the Substrate Integrated Double-strip Coaxial Line with Performance Enhancement,” Microwave and Optical Technology Letters (SCI), vol. 63, pp. 2740-2744, 2021.

3. Cheng-Hsiao Chung, Chien-Hui Chien, Yi-Xuan Wu, Chun-Ming Hung, and Keh-Yi Lee, “Utilizing the Shift-or-Shrink Algorithm to Optimize the Direct Coupling from Laser Diodes to Diffused Channel Waveguides,” Journal of Microwaves, Optoelectronics and Electromagnetic Applications (EI/Scopus/SciELO), vol. 20, pp. 382-394, 2021.

4. Ruei-Chang Lu and Keh-Yi Lee, “General Formulae of Designing Novel Photonic Digital Sensors with Arbitrary Levels of Directional Couplers for Testing Liquids,” Optical and Quantum Electronics (SCI), DOI: 10.1007/s11082-019-2177-1, 2020.

5. Ruei-Chang Lu and Keh-Yi Lee, “Utilizing Shift-or-Shrink (SOS) Method to Optimize Multi-Segment Structures of Bent Optical Waveguides,” Journal of Microwaves, Optoelectronics and Electromagnetic Applications (EI/Scopus/SciELO), vol. 18, pp. 316-327, 2019.

6. Min-Hua Ho, Keh-Yi Lee, and Yi-Cheng Chen, “Miniaturized BPF Design Using Substrate Integrated Waveguide Cavities with Enhanced Signal Selectivity,” Microwave and Optical Technology Letters (SCI), vol. 61, pp. 1185-1188, 2019.

7. Min-Hua Ho, Cheng-You Hou, Chung-I G. Hsu, and Keh-Yi Lee, “Compact Balanced Bandpass Filter Design Using Miniaturized Substrate Integrated Waveguide Cavities,” IET Microwaves, Antennas and Propagation (SCI), vol. 12, pp. 2030-2033, 2018.

8. Ruei-Chang Lu and Keh-Yi Lee, “Novel Design of Photonic Digital Sensors for Distinguishing Uniformly-Distributed Refractive Indices of Fluids,” Journal of Microwaves, Optoelectronics and Electromagnetic Applications (EI/Scopus/SciELO), vol. 17, pp. 144-155, 2018.

9. Ruei-Chang Lu and Keh-Yi Lee, “Sensing Refractive Indices of Fluids by Wavelength-Tunable Laser and Novel Multi-stage Directional Couplers,” Journal of Optical Communications (EI), vol. 38, pp. 147-151, 2017.

10. Kao-Der Chang, Ruei-Chang Lu, Yu-Ping Liao, and Keh-Yi Lee, “Novel Design for Surface Plasmon Resonance Lenses,” Journal of Optical Communications (EI), vol. 36, pp. 291-296, 2015.

11. Keh-Yi Lee and Kao-Der Chang, “Simplified Versions of Triangular-lattice Photonic Crystal Waveguides,” Journal of Optical Communications (EI), vol. 35, pp. 191-196, 2014.

12. Keh-Yi Lee, Guo-Jung Wu, Hong-Li Lin, and Chi-Kan Liu, “Design of 60° Bent Ridge Waveguides Assisted by Hexagonal-lattice Cylinders,” Journal of Optical Communications (EI), vol. 34, pp. 81-84, 2013.

13. Ruei-Chang Lu, Chun-Min Wang, and Keh-Yi Lee, “Characteristic of Point Defect around the Photonic Crystal Bend,” Advanced Materials Research (EI), vol. 571, pp. 300-303, 2012.

14. Keh-Yi Lee and Kao-Der Chang, “Eigenmodes of Simplified Square-latticed Photonic Crystal Waveguides,” Journal of Optical Communications (EI), vol. 33, pp. 159-164, 2012.

15. I.-Fong Chen, Chia-Mei Peng, Su-Mei Shen, Ding-Bing Lin, and Keh-Yi Lee, “Bowtie-Feed Broadband Monopole Antenna for Laptop Applications,” IEEE Antennas and Wireless Propagation Letters (SCI), vol. 10, pp. 1302-1304, 2011.

16. Ruei-Chang Lu, Chun-Min Wang, Yu-Pin Liao, and Keh-Yi Lee, “Mode Matching for Periodical Dielectric Waveguide” American Journal of Engineering and Technology Research (EI), vol. 11, pp. 1276-1280, 2011.

17. Keh-Yi Lee, Guo-Jung Wu, Hong-Li Lin, and Chi-Kan Liu, “An Interesting Optical Behavior of Bent/Multi-branch Waveguides Based on Hexagonal-lattice Photonic Crystals,” Journal of Optical Communications (EI), vol. 32, pp. 225-228, 2011.

18. Keh-Yi Lee, Yi-Shin Chao, Hong–Yuan Tzou, Ting–Sheng Lin, and Fu-Wen Chen, “Optical Characteristics of Various T-junction Composite Waveguides,” 2010 15^th Optoelectronics and Communications Conference (2010 OECC) (SCI).

19. Chun-MinWang, Keh-Yi Lee, and Ruei-Chang Lu, “Transmission Characteristic of Defect for the 90 degrees Bend Photonic Crystal,” 2010 15^th Optoelectronics and Communications Conference (2010 OECC) (SCI).

20. Keh-Yi Lee, Yi-Shin Chao, Hong–Yuan Tzou, Ting–Sheng Lin, and Fu-Wen Chen, “Simplified T-junction Composite Waveguides,” Journal of Optical Communications (EI), vol. 31, pp. 202-205, 2010.

21. Keh-Yi Lee, Yi-Shin Chao, Hong-Yuan Tzou, Ting-Sheng Lin, and Fu-Wen Chen, “Defective T-junction Composite Waveguides with Point Vacancies in Different Positions,” Journal of Optical Communications (EI), vol. 31, pp. 156-161, 2010.

22. Keh-Yi Lee, Yu-Ping Liao, and Ruei-Chang Lu, “L-shaped Ridge Waveguides with Reduced-number Cylinders around the Bend Corners,” Journal of Optical Communications (EI), vol. 31, pp. 148-152, 2010.

23. Keh-Yi Lee, Chun-Hsien Lee, Cheng-Hsun Tsai, Min-Hsueh Jiang, Jee-Fu Shueh, Jian-Han Lai, Yo-Long Jeng, and Yi-Shin Chao, “FDTD Analysis of Point-Defected Periodical Dielectric Waveguides,” Optical and Quantum Electronics (SCI), vol. 41, pp. 91-98, 2009.

24. Keh-Yi Lee, Chun-Hsien Lee, Cheng-Hsun Tsai, Min-Hsueh Jiang, Jee-Fu Shueh, and Jian-Han Lai, , “Periodical Dielectric Waveguides with Point Vacancy,” 2009 14^th Optoelectronics and Communications Conference (2009 OECC) (SCI)

25. Keh-Yi Lee, An-Chi Wei, Jyh-Rou Sze, Wei-Chen Yan, Kun-Lung Tsai, Shao-Peng Jeng, Guo-Wei Bai, Jing-Da Liu, Ji-Shien Tseng, Shin-Tseng Wu, Shu-Min Chen, and Chiao-Wei Lin, “Modified L-shape Hollow Waveguides with Two Types of 45˚-chamfers,” Journal of Optical Communications (EI), vol. 30, pp. 139-142, 2009.

26. Keh-Yi Lee, Ting-Yu Chang, Chun-Hsien Lee, Cheng-Hsun Tsai, Min-Hsueh Jiang, Chih-Jo Yang, Jee-Fu Shueh, and Jian-Han Lai, “Analysis of an Angularly-Misaligned Laser Beam Coupling to a Periodical Dielectric Waveguide,” Journal of Optical Communications (EI), vol. 29, pp. 245-248, 2008.

27. Keh–Yi Lee, Chun–Nan Chen, and Yan–Jih Lin, “Transmission Characteristics of Various Bent Periodic Dielectric Waveguides,” Optical and Quantum Electronics (SCI), vol.40, pp. 633-643, 2008.

28. Keh-Yi Lee, Chun-Nan Chen, and T. –Y. Chang, “An Improved 3D 90°-bent Hollow Waveguide,” Journal of Optical Communications (EI), vol. 29, pp. 9-11, 2008.

29. Jyh-Rou Sze, Mao-Hong Lu, and Keh–Yi Lee, “Light Pipe Array as Coupling Adapter between Fiber Array and Free-space Wavelength Division Demultiplexer,” Japanese Journal of Applied Physics (SCI), vol. 46, pp. 5456-5459, 2007.

30. Keh-Yi Lee, Chun-Nan Chen, and Yan-Jih Lin, “A Simple Method of Improving Transmission Efficiencies of 3D T-junction Photonic Crystal Waveguides,” Journal of Optical Communications (EI), vol. 28, pp. 96-99, 2007.

31. Keh–Yi Lee, “Novel Structures of 90°-bent composite waveguides,” Journal of Optical Communications (EI), vol. 28, pp. 16-18, 2007.

32. Keh–Yi Lee, Jyh-Rou Sze, and Yu-Jen Lin, “Non-Reciprocity between 1×n MMI Optical Dividers and n×1 MMI Combiners,” Journal of Optical Communications (EI), vol. 28, pp. 12-15, 2007.

33. Keh–Yi Lee and Yu-Jen Lin, “Novel Design of 45°-bent and 90°-Y-junction Waveguides on a Square-lattice Photonic Crystal,” Journal of Optical Communications (EI), vol. 28, pp. 6-11, 2007.

34. Keh–Yi Lee and Yu-Jen Lin, “Novel Structures of Simplified Photonic Crystal Waveguides,” Journal of Modern Optics (SCI), vol. 53, pp. 1685-1698, 2006.

35. Keh–Yi Lee, Chia-Chen Tsai, Tsong-Cheng Weng, Yih-Lin Kuo, Chih-Wei Kao, Kuei-Yuan Chen, and Yu-Jen Lin, “Transmission Characteristics of 90° Bent Photonic Crystal Waveguides," Fiber and Integrated Optics (SCI), vol. 25, pp. 29-40, 2006.

36. Keh–Yi Lee, Chun–Nan Chen, and Yan–Jih Lin, “Novel Structures of Photonic Crystal Waveguides with Two Up-and-down Highly-reflective Mirrors,” Journal of Optical Communications (EI), vol. 27, pp. 310-313, 2006.

37. Keh–Yi Lee, Chun–Nan Chen, and Yan–Jih Lin, “A Simple Modification of Three-dimensional 90°-bent Periodic Dielectric Waveguides,” Journal of Optical Communications (EI), vol. 27, pp. 314-316, 2006.

38. Keh–Yi Lee, Yu-Jen Lin, Chia -Chen Tsai, Tsong -Cheng Weng, Yih -Lin Kuo, Chih -Wei Kao, and Kuei -Yuan Chen, “Comparison of Three L-shaped Bent Photonic Crystal Waveguides,” Journal of Optical Communications (EI), vol. 27, pp. 155-159, 2006.

39. Keh–Yi Lee, Wen–Sheng Wu, Sheng–Ming Luo, Bo–Hao Chen, and Chung-Yueh Chuang, “Analysis of Direct Coupling between Conventional Dielectric Waveguide and Photonic Crystal Waveguide,” Journal of Optical Communications (EI), vol. 27, pp. 147-149, 2006.

40. Keh–Yi Lee, Ming–Huei Shyu, Jia-Bao Huang, Shin-Shong Jeng, Juinn-Shien Lo, and Yu-Jen Lin, “Scalar FDTD Analysis of Fresnel Zone-Plate Lenses,” Journal of Optical Communications (EI), vol. 27, pp. 11-13, 2006.

41. Keh–Yi Lee, Tsong-Cheng Weng, Chia-Chen Tsai, Chih-Wei Kao, Yih-Lin Kuo, and Kuei-Yuan Chen, “Transmission Spectra of T-junction Photonic Crystal Waveguide,” Journal of Optical Communications (EI), vol. 26, pp. 249-254, 2005.

42. Keh–Yi Lee, Ming–Huei Shyu, Jia- Bao Huang, Shin- Shong Jeng, Juinn- Shien Lo, and Yu-Jen Lin, “Beam Deviation Factor of Fresnel Lenses by Scalar FDTD Analysis,” Journal of Optical Communications (EI), vol. 26, pp. 246-248, 2005.

43. Keh–Yi Lee, Wei -Chih Tsai, Fu-Chiang Chang, Kuo–Chang Lo, and Yu-Jen Lin, “Design of 1×3 MMI Optical Power Dividers with Rectangular Waveguide Cores Based on Silica Substrate,” Journal of Optical Communications (EI), vol. 25, pp. 152-154, 2004

44. Keh–Yi Lee, Kenji Huang, and Yu-Jen Lin, “Novel Design for All-optical Logic Gates with MMI Structures and Linear Media," Journal of Optical Communications (EI), vol. 25, pp. 134-137, 2004.

45. Keh–Yi Lee, Kenji Huang, and Yu-Jen Lin, “Novel Design of Optical Filters Based on a Pair of MMI Power Divider/Combiner," Journal of Optical Communications (EI), vol. 25, pp. 92-94, 2004.

46. Keh–Yi Lee, Hong–Wei Chang, and Jao-Ann Shen, “Optical Guidance of Distinct Optical-path Ridge Ti:LiNbO₃ Waveguides," Journal of Optical Communications (EI), vol. 25, pp. 49-56, 2004.

47. Keh–Yi Lee and Hong–Wei Chang, “Semivectorial RKBPM Analysis of Polarization Dependences of Lightwaves Propagating along Ti:LiNbO₃ Channel Waveguides," Journal of Optical Communications (EI), vol. 24, pp. 84-89, 2003.

48. Keh–Yi Lee, Jao-Ann Shen, Wei-Chih Tsai, Fu-Chiang Chang, and Kuo–Chang Lo, “New Type of 1×3 MMI Optical Power Dividers with Reverse Taper Section,” Journal of Optical Communications (EI), vol. 24, pp. 31-34, 2003.

49. Keh–Yi Lee and Hong–Wei Chang, “A Comparison of Three Novel Optical Wavelength Filters with Cascaded Directional Couplers,” Journal of Optical Communications (EI), vol. 23, pp. 95-99, 2002.

50. Keh–Yi Lee, De–Ming Shyu, Chi–Feng Huang, and Yeoang–Yih Jong, “Beam Propagation Analysis of Optical Waveguides by the Runge-Kutta Algorithm,” International Journal of Modelling and Simulation (EI), vol. 21, pp. 234-239, 2001.

51. Keh–Yi Lee and Hong–Wei Chang, “A New-type Optical Filter Composed of Multi-stage Directional Coupler Lined in Crossover,” Journal of Optical Communications (EI), vol. 22, pp. 202-205, 2001.

52. Keh–Yi Lee, Gao–De Chang, Hseng–Tsong Wang, and Yih–Jih Lin, “Novel Optical Filter Composed of Multiple-waveguide Directional Couplers,” Journal of Optical Communications (EI), vol. 22, pp. 9-11, 2001.

53. Keh–Yi Lee, Gao–De Chang, Hseng–Tsong Wang, and Yih–Jih Lin, “Beam Propagation Analysis of Ridge-type Ti:LiNbO₃ Y-junction Waveguides,” Journal of Optical Communications (EI), vol. 21, pp. 125-130, 2000.

54. Keh–Yi Lee, Wei–Yang Wu, Yu–Jen Lin, and Wei–Zhou Chen, “A Novel Method of Assessing Trial Modes of Dielectric Rectangular Waveguides,” Journal of Optical Communications (EI), vol. 20, pp. 215-217, 1999.

55. Keh–Yi Lee, De–Ming Shyu, Ming–Hao Wang, and Yeoang–Yih Jong, “Analysis of Abruptly-bent Ridge Ti:LiNbO₃ Waveguides by Beam Propagation Method Involving the Runge-Kutta Algorithm,” Journal of Optical Communications (EI), vol. 20, pp. 168-173, 1999.

56. Keh–Yi Lee, De–Ming Shyu, Chi–Feng Huang, and Ming–Hao Wang, “A Novel Structure of the Beam Splitter Based on Multiple Waveguide Couplers,” Journal of Optical Communications (EI), vol. 20, pp. 122-125, 1999.

57. Keh–Yi Lee, Yu–Jen Lin, Wei–Zhou Chen, Wei–Yang Wu, and Yue-Hsiang Chen, “A Comparison of Commonly-used Trial Functions in the Variational Analysis of Ti:LiNbO₃ Channel Waveguides,” Journal of Optical Communications (EI), vol. 20, pp. 110-114, 1999.

58. Keh–Yi Lee, Jyh–Rou Sze, Chi–Jay Hsieh, and Hsin-Chang Lin, “Theoretical Analysis of Ridge-type Ti:LiNbO₃ Waveguides with Trapezoidal Cross Sections,” Journal of Optical Communications (EI), vol. 18, pp. 235-238, 1997.

59. Keh–Yi Lee, Jyh–Rou Sze, and Chi–Jay Hsieh, “Variational Analysis of Ridge-type Ti:LiNbO₃ Waveguides by a Heuristic Algorithm,” Journal of Optical Communications (EI), vol. 18, pp. 104-108, 1997.

60. Keh–Yi Lee, Chi–Jay Hsieh, Jyh–Rou Sze, and Guo–Juinn Jaw, “Optimal Direct Coupling from Single-mode Fibers to Ti:LiNbO₃ Channel Waveguides,” Fiber and Integrated Optics (SCI), vol. 15, pp. 365-371, 1996.

61. Keh–Yi Lee and Way–Seen Wang, “Ray-optics Analysis of the Coupling Efficiency from a Gaussian Beam to a Rectangular Multimode Embedded Strip Waveguide,” Fiber and Integrated Optics (SCI), vol. 13, pp. 321-330, 1994.