International conference proceedings - Tsuji Yasuhide

1. An Ultra-Small Three Mode Exchanger Based on Mosaic Structures

   S. Aomori, Y. Tsuji, T. Mitarai, Y. Sawada, T. Okimoto, T. Hiratani, K. Komatsu, H. Yagi, N. Fujiwara, and T. Fujisawa，The 15th international symposium on photonics and electronics convergence (ISPEC 2025)，2025.11

   

2. Efficient finite element analysis for optical devices using POM and padé boundary condition

   T. Matsuzaki, A. Iguchi, K. Morimoto, and Y. Tsuji，PhotonIcs and Electromagnetics Research Symposium (PIERS 2025)，2025.11，千葉市

   

3. Optimal design of mosaic-based optical devices via topology optimal design based on 2D approximated analysis

   Y. Uchida, A. Iguchi, and Y. Tsuji，PhotonIcs and Electromagnetics Research Symposium (PIERS 2025)，2025.11

   

4. Efficient design of plasmonic devices utilizing topology optimization

   R. Ishino, A. Iguchi, and Y. Tsuji，PhotonIcs and Electromagnetics Research Symposium (PIERS 2025)，2025.11，千葉市

   

5. Study on design of mosaic-based optical devices using density method and adjoint variable method

   H. Zhang, A. Iguchi, and Y. Tsuji，PhotonIcs and Electromagnetics Research Symposium (PIERS 2025)，2025.11，千葉市

   

6. Study on advanced SWG-NRD guide devices using topology optimal matching circuit for THz application

   M.I.H Patwary, T. Bashir, A. Iguchi, and Y. Tsuji，PhotonIcs and Electromagnetics Research Symposium (PIERS 2025)，2025.11，千葉市

   

7. Efficient topology optimal design of photonic devices using domain decomposition finite element method

   F. He, A. Iguchi, and Y. Tsuji，PhotonIcs and Electromagnetics Research Symposium (PIERS 2025)，2025.11，千葉市

   

8. Mosaic-Based Power Splitters Using Silicon Nitride Waveguides

   K. Fujimoto, Y. Tsuji, and T. Fujisawa，The 15th international symposium on photonics and electronics convergence (ISPEC 2025)，2025.11

   

9. Full-vectorial finite element method with POM boundary condition for 3-D optical waveguides

   T. Matsuzaki, A. Iguchi, K. Morimoto, and Y. Tsuji，OptoElectronics and Communications Conference / International Conference on Photonics in Switching and Computing 2025 (OECC/PSC 2025)，2025.07

   

10. Broadband asymmetric directional coupler based on SiN waveguide designed by adjoint method

    T. Fujisawa and Y. Tsuji，OptoElectronics and Communications Conference / International Conference on Photonics in Switching and Computing 2025 (OECC/PSC 2025)，2025.07

    

11. Study on efficient propagation analysis for photonic device optimization utilizing structural symmetry

    M. Taniguchi, T. Matsuzaki, A. Iguchi, and Y. Tsuji，OptoElectronics and Communications Conference / International Conference on Photonics in Switching and Computing 2025 (OECC/PSC 2025)，2025.07

    

12. Study on structural optimization of axisymmetric meta-lenses by function expansion method

    M. Taniguchi, K. Morimoto, T. Matsuzaki, A. Iguchi, and Y. Tsuji， International Symposium on Electro-magnetic Theory (EMTS 2025)，2025.06

    

13. A study on multi-material topology optimization of metasurfaces using function expansion method

    M. Taniguchi, A. Iguchi, and Y. Tsuji，Proceedings of 2024 Asia-Pacific Microwave Conference (APMC 2024)，2024.11

    

14. Topology optimal design of THz standard NRD and SWG-NRD guides connecting coupler

    M.I.H. Patwary, T. Bashir, A. Iguchi, Y. Tsuji, and T. Kashiwa，Proceedings of 2024 Asia-Pacific Microwave Conference (APMC 2024)，2024.11

    

15. Study on optical isolator based on asymmetric core magneto-optic photonic crysltal fiber

    W. Wang, S. Li, T. Matsuzaki, Z. Zhang, A. Iguchi, Y. Tsuji， International Conference on Information Optics and Photonics (CIOP2024)，2024.08

    

16. Topology optimization of nonlinear optical switch using adjoint variable method

    H. Hirao, A. Iguchi, and Y. Tsuji，The Pacific Rim Conference on Lasers and Electro-Optics (CLEO/Pacific Rim 2024)，2024.08

    

17. Waveguide discontinuity analysis with full-wave finite element 3D propagation operator method

    H. Ahn, A. Iguchi, K. Morimoto, and Y. Tsuji，The Pacific Rim Conference on Lasers and Electro-Optics (CLEO/Pacific Rim 2024)，2024.08

    

18. Single-polarization single-mode photonic crystal fiber based on Sierpinski gasket without holes in the cladding

    Z. Zhang, S. Sun, W. Wang, S. Pu, J. Su, Y. Li, Y. Tsuji, and J. Xu， World Photonics Conference 2024 13th Applied Optics and Photonics China (AOPC 2024)，2024.07

    

19. Full-vectorial bidirectional beam propagation method for efficient numerical analysis of THz NRD guide components

    A. Iguchi, H. Ahn, K. Morimoto, and Y. Tsuji，2024 IEEE International Workshop on Antenna Technology (iWAT)，2024.04

    

20. Optimal design of photonic devices using coordinate transformation finite element beam propagation method

    H. Chen, T. Kimura, A. Iguchi, and Y. Tsuji， XXXXVth URSI General Assembly and Scientific Symposium (URSI GASS 2023)，2023.08，Sapporo

    

21. A study on sub-wavelength grating nonradiative dielectric waveguide for single mode transmission

    K. Kazama, A. Iguchi, and Y. Tsuji， XXXXVth URSI General Assembly and Scientific Symposium (URSI GASS 2023)，2023.08，Sapporo

    

22. A study on magneto-metasurface for THz isolator

    M. Taniguchi, A. Iguchi, and Y. Tsuji， XXXXVth URSI General Assembly and Scientific Symposium (URSI GASS 2023)，2023.08，Sapporo

    

23. Topology optimization of optical and millimeter-wave circuit devices using finite element method and function expansion method

    Y. Tsuji, A. Iguchi, K. Morimoto, T. and Kashiwa， XXXXVth URSI General Assembly and Scientific Symposium (URSI GASS 2023)，2023.08，Sapporo

    

24. Function expansion based topology optimization utilizing Bayesian optimization

    M. I. H. Patwary, A. Iguchi, Y. Tsuji, and T. Kashiwa， XXXXVth URSI General Assembly and Scientific Symposium (URSI GASS 2023)，2023.08，Sapporo

    

25. A study on circuit components based on single-mode sub-wavelength grating NRD guide

    K. Kazama, A. Iguchi, and Y. Tsuji，PhotonIcs & Electromagnetics Research Symposium (PIERS 2023)，2023.07，Praque

    

26. Topology optimization of NRD guide devices using covariance matrix adaptation evolution strategy

    N. Hieda, A. Iguchi, Y. Tsuji, K. Morimoto, and T. Kashiwa，Proceedings of 2022 Asia-Pacific Microwave Conference (APMC 2022)，(p.387 ～ 389)，2022.12

    

27. Optimal design of NRD isolator using Ni-Zn ferrite post for millimeter-wave integrated circuit applications

    T. Bashir, K. Morimoto, A. Iguchi, Y. Tsuji, and T. Kashiwa，Proceedings of 2022 Asia-Pacific Microwave Conference (APMC 2022)，(p.809 ～ 811)，2022.12

    

28. Function expansion based topology optimization of optical and millimeter-wave circuit devices

    Y. Tsuji, A. Iguchi, K. Morimoto, and T. Kashiwa，Proceedings of 2022 Asia-Pacific Microwave Conference (APMC 2022)，(p.381 ～ 383)，2022.12

    

29. Design of single-polarized single-mode photonic crystal fiber without air holes in the cladding

    W. Wang, Z. Zhang, S. Liu, X. Wang, Y. Tsuji, and J. Xu，2022 International Conference on Information Processing in Ocean Science and Technology (ICIPOST 2022)，2022.09

    

30. Topology optimization of millimeter-wave to optical devices using two-dimensional full-vectorial finite element method

    N. Hieda, A. Iguchi, Y. Tsuji, T. Kashiwa，27th OptoElectronics and Communications Conference/International Conference on Photonics in Switching and Computing 2022 (OECC/PSC 2022)，Article Number:TuP-E-2，2022.07，Toyama

    

31. Topology optimization of optical devices using function expansion method and CMA-ES

    H. Maruyama, A. Iguchi, Y. Tsuji, T. Kashiwa，27th OptoElectronics and Communications Conference/International Conference on Photonics in Switching and Computing 2022 (OECC/PSC 2022)，Article Number:TuP-E-1，2022.07，Toyama

    

32. Topology optimization of plasmonic device using function expansion method and CMA-ES

    Y. Tsuji, A. Iguchi, K. Morimoto, and T. Kashiwa，3rd URSI Atlantic and Asia Pacific Radio Science Meeting (AT-AP-RASC)，Article Number:Th-B04-PM3-2，2022.06，Gran Canaria

    

33. Optimal Design of 90°-Bend in NRD Guide Using DBS Algorithm and 2D-FVFEM

    T. Bashir, K. Morimoto, A. Iguchi, Y. Tsuji, and T. Kashiwa，2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI)，2021.12，Singapore

    

34. Topology optimal design of NRD guide devices using simulated annealing like scheme

    N. Hieda, A. Iguchi, Y. Tsuji, and T. Kashiwa， PhotonIcs & Electromagnetics Research Symposium (PIERS 2021)，2021.11，Hangzhou

    

35. Bayesian optimization of three-dimensional plasmonic devices

    H. Maruyama, A. Iguchi, Y. Tsuji, and T. Kashiwa， PhotonIcs & Electromagnetics Research Symposium (PIERS 2021)，2021.11，Hangzhou

    

36. Flexible scattering operator technique for analysis of axi-symmetric optical devices

    K. Morimoto, A. Iguchi, and Y. Tsuji， PhotonIcs & Electromagnetics Research Symposium (PIERS 2021)，2021.11，Hangzhou

    

37. Comparative study of optimization method for design of NRD guide devices with mosaic-like structure

    T. Bashir, K. Morimoto, A. Iguchi, and Y. Tsuji， PhotonIcs & Electromagnetics Research Symposium (PIERS 2021)，2021.11，Hangzhou

    

38. Optimal Design of Photonic Devices Using Time-Domain Beam Propagation Method

    Akito Iguchi, Yasuhide Tsuji，2021 International Applied Computational Electromagnetics Society Symposium (ACES)，2021.09，Hamilton

    

39. Multi-objective optimization using function-expansion-based refractive index representation for photonic devices

    M. Tomiyasu, A. Iguchi, and Y. Tsuji，OptoElectronics and Communications Conference (OECC 2020)，2020.10，Taipei; Taiwan

    

40. Optimal design approach based on Bayesian optimization and beam propagation method for optical waveguide devices

    K. Kudo, A. Iguchi, Y. Tsuji, and T. Kashiwa，OptoElectronics and Communications Conference (OECC 2020)，2020.10，Taipei; Taiwan

    

41. Topology optimization of photonic devices using function expansion method and evolutionary approach

    Y. Tsuji，Proceedings of the XXXIInd URSI General Assembly (URSI GASS 2020)，2020.08，Rome; Italy

    

42. Study on Silicon-based Polarization Rotator Using Asymmetric Slot Waveguides

    Z. Zhang, Y. Tsuji, M. Eguchi, and C.-P. Chen，PhotonIcs & Electromagnetics Research Symposium (PIERS 2019)，2019.12，Xiamen

    

43. Design of tapered directional coupler type polarization splitter using 3-D FE-BPM based on coordinate transformation

    S. Kawamura and Y. Tsuji，PhotonIcs & Electromagnetics Research Symposium (PIERS 2019)，2019.12，Xiamen

    

44. Design of polarization rotator based on asymmetric slot-waveguide

    Z. Zhang, Y. Tsuji, M. Eguchi, C.-P. Chen, T. Anada，Asia Communications and Photonics Conference (ACP 2019)，2019.11，Chengdu

    

45. Structural optimization with sensitivity analysis for optical waveguide devices utilizing bi-directional beam propagation method

    A. Iguchi and Y. Tsuji，PhotonIcs & Electromagnetics Research Symposium (PIERS 2019)，2019.06，Rome

    

46. Beam propagation analysis for discontinuity structures of plasmonic waveguides using field-based propagation operator

    K. Morimoto and Y. Tsuji，PhotonIcs & Electromagnetics Research Symposium (PIERS 2019)，2019.06，Rome

    

47. Design of optical waveguide devices using function-expansion-based topology optimization

    Y. Tsuji，International Symposium on Electromagnetic Theory (EMTS 2019)，2019.05，San Diego

    

48. Topology Optimization Using Beam Propagation Method for Fabrication Tolerant Optical Waveguide Devices

    Iguchi Akito, Tsuji Yasuhide, Yasui Takashi, Hirayama Koichi，2018 ASIA-PACIFIC MICROWAVE CONFERENCE PROCEEDINGS (APMC)，(p.1295 ～ 1297)，2018.11

    

49. Study on Polarization Rotator Based on Photonic Crystal Fiber with Double Hole Unit Cell

    Xie Chenglong, Zhang Zejun, Tsuji Yasuhide, Masashi Eguchi, Chen Chun-ping, Anada Tesuo，2018 ASIA COMMUNICATIONS AND PHOTONICS CONFERENCE (ACP)，2018.10

    

50. Efficient topology optimization of optical waveguide using finite element method based on slowly varying envelope approximation

    T. Tanaka and Y. Tsuji，The 37th JSST Annual International Conference on Simulation Technology(JSST2018)，(p.360 ～ 363)，Japan Society for Simulation and Technology，2018.09，Muroran

    

51. An efficient analysis of butt coupling between dielectric and plasmonic waveguide using propagation operator method based on finite element scheme

    K. Morimoto and Y. Tsuji，The 37th JSST Annual International Conference on Simulation Technology(JSST2018)，(p.37 ～ 40)，Japan Society for Simulation and Technology，2018.09，Muroran

    

52. Design of polarization splitter based on coupled EC-CHF with tapered structure by using full vector FE-BPM using coordinate transformation

    S. Kawamura and Y. Tsuji，The 37th JSST Annual International Conference on Simulation Technology(JSST2018)，(p.132 ～ 135)，Japan Society for Simulation and Technology，2018.09，Muroran

    

53. A study on topology optimization of plasmonic waveguide device based on function expansion method and evolutionary approach

    A. Koda and Y. Tsuji，The 37th JSST Annual International Conference on Simulation Technology(JSST2018)，(p.348 ～ 351)，Japan Society for Simulation and Technology，2018.09，Muroran

    

54. Design of nonlinear optical waveguide devices with function-expansion based topology optimization

    K. Mori and Y. Tsuji，The 37th JSST Annual International Conference on Simulation Technology(JSST2018)，(p.352 ～ 355)，Japan Society for Simulation and Technology，2018.09，Muroran

    

55. Design of polarization splitter and rotator using function-expansion based topology optimization considering two-layer structure

    S. Tomioka and Y. Tsuji，The 37th JSST Annual International Conference on Simulation Technology(JSST2018)，(p.356 ～ 359)，Japan Society for Simulation and Technology，2018.09，Muroran

    

56. Slowly varying envelope approximation based finite element method for efficient topology optimization of optical devices

    T. Tanaka and Y. Tsuji，Progress In Electromagnetics Research Symposium (PIERS 2018)，2018.08，富山市

    

57. Study on polarization converter based on double-hole unit photonic crystal fiber

    Z. Zhang, Y. Tsuji, M. Eguchi, and C.-P. Chen，Progress In Electromagnetics Research Symposium (PIERS 2018)，2018.08

    

58. Design of tapered directional coupler type polarization splitter using 3-D FE-BPM based on coordinate transformation

    S. Kawamura and Y. Tsuji，Progress In Electromagnetics Research Symposium (PIERS 2018)，2018.08

    

59. Design optimization of nonlinear optical waveguide devices considering output signal phase," Progress In Electromagnetics Research Symposium (PIERS 2018)

    K. Mori and Y. Tsuji，Progress In Electromagnetics Research Symposium (PIERS 2018)，2018.08，富山市

    

60. Full-vectorial analysis of optical waveguide discontinuities using propagation operator method based on finite element scheme

    K. Morimoto and Y. Tsuji，Progress In Electromagnetics Research Symposium (PIERS 2018)，2018.08

    

61. Design of polarization splitter based on high-birefringence photonic crystal fiber with double-hole unit core

    Z. Zhang, Y. Tsuji, M. Eguchi, and C. Chen，Progress In Electromagnetics Research Symposium (PIERS 2017)，2017.11，Singapore

    

62. opology optimization using time domain beam propagation method for design of optical waveguide devices

    A. Iguchi, Y. Tsuji, T. Yasui, and K. Hirayama，Progress In Electromagnetics Research Symposium (PIERS 2017)，2017.11，Singapore

    

63. Analysis of butt coupling of optical waveguides using propagation operator method based on finite element method

    K. Morimoto and Y. Tsuji，Progress In Electromagnetics Research Symposium (PIERS 2017)，2017.11

    

64. Design of photonic crystal devices with absolute PBG using finite element analysis

    K. Satoh and Y. Tsuji，Progress In Electromagnetics Research Symposium (PIERS 2017)，2017.11，Singapore

    

65. Topology optimal design of optical waveguides in consideration of polarization dependence using BPM and AVM

    A. Iguchi, Y. Tsuji, T. Yasui, and K. Hirayama，Progress In Electromagnetics Research Symposium (PIERS 2016)，2016.08，上海

    

66. Design of taper coupler type polarization splitter with single- polarization photonic crystal fiber

    Z. Zhang, Y. Tsuji and M. Eguchi，Progress In Electromagnetics Research Symposium (PIERS 2016)，2016.08，上海

    

67. Design of single TM-like mode photonic crystal fiber with an actinomorphic elliptical-hole lattice core

    Z. Zhong, Z. Zhang, Y. Tsuji, and M. Eguchi，Progress In Electromagnetics Research Symposium (PIERS 2016)，2016.08，上海

    

68. Study on polarization splitter and converter using square lattice elliptical-hole core circular-hole holey fibers

    Z. Zhang, Y. Tsuji and M. Eguchi，Progress In Electromagnetics Research Symposium (PIERS 2015)，2015.07，Praque ; Czech Republic

    

69. A study on crosstalk-free polarization splitter based on single-polarized photonic crystal fibers

    Z. Zhang, Y. Tsuji and M. Eguchi，Progress In Electromagnetics Research Symposium (PIERS 2014)，(p.1739)，The Electromagnetics Academy，2014.08，広州

    

70. A Study on Function Expansion Based Topology Optimization Method for Dispersion Property

    H. Goto, Y. Tsuji, T. Yasui,and K. Hirayama，2013 International symposium onElectromagnetic theory (EMTS2013)，2013.05，広島

    

71. Numerical Analysis of Conical Horn with Dielectric Lens in Free-Space Method

    J. Tsutsumi, K. Hirayama, T. Yasui, and Y. Tsuji，2013 International symposium on Electromagnetic theory (EMTS2013)，2013.05，広島

    

72. Spatial evolution of supercontinuum generation along a varying dispersion tapered fiber

    Z.Wang・H. Sone・Y. Tsuji・M. Imai・S. Sato，12th Optoelectronics and Communications Conference / 16th International Conference on Integrated Optics and Optical Fiber Communication (OECC/IOOC 2007)，2007.07，横浜

    

73. A study on photonic crystal waveguide based on absolute photonic band gap

    Y. Morita・Y. Tsuji・K. Hirayama，12th Optoelectronics and Communications Conference / 16th International Conference on Integrated Optics and Optical Fiber Communication (OECC/IOOC 2007)，2007.07，横浜

    

74. Complex modal analysis of curved optical waveguides using a fullvectorial finite element method with perfectly matched layer boundaryconditions

    Y. Tsuji・M. Koshiba，Proceedings of 6th International Workshop on Finite Elements for Microwave Engineering，2002.06，Chios

    

75. Hole-assistedlightguide fiber - A practical derivative of photonic crystal fiber

    T. Hasegawa・E. Sasaoka・M. Onishi・M. Nishimura・Y. Tsuji・M. Koshiba，2002 Material Research Society Spring Meeting，2002.04，San Francisco

    

76. Modeling and design optimization of hole-assisted lightguide fiber by full-vector finite element method

    T. Hasegawa・E. Sasaoka・M. Onishi・M. Nishimura・Y. Tsuji・M. Koshiba，27th European Conference on Optical Communication (ECOC ’01)，2001.09，Amsterdam

    

77. Finite element analysis of optical waveguides based on the cross-sectional shape recognition using photographic images

    Y. Tsuji・M. Koshiba，Progress In Electromagnetics Research Symposium (PIERS2001)，2001.07，大阪

    

78. An analysis of distributed feedback lasers with QWR active layers on a V-groovedsubstrate

    Y. Tsuji・M. Koshiba，First International Workshop on Quantum Nonplanar Nanostructures&Nanoelectronics，2001.07，筑波

    

79. Novel hole-asisted lightguide fiber exhibiting large anomalous dispersion and low loss below 1 dB/km

    T. Hasegawa・E. Sasaoka・M.Onishi・M. Nishimura・Y. Tsuji・M. Koshiba，Optical Fiber Communication Conference and Ehibit (OFC 2001),，2001.03，Anaheim

    

80. Imaginary-distance beam propagation method based on a Full-vectorial finite element scheme for three-dimensional optical waveguides

    Y. Tsuji・M. Koshiba，Proceedings of the 2000 Japan- China Joint Meeting on Optical Fiber Science and Electromagnetic Theory，2000.12，大阪

    

81. Unified software for design of acoustooptic devices

    K. Saitoh・M. Koshiba・Y. Tsuji，Proceedings of 12th Conference on the Computation of Electromagnetic Fields (COMPUMAG)，1999.10，札幌

    

82. An adaptive mesh generation for three-dimensional finite element method

    Y. Tsuji・M. Koshiba，Proceedings of 12th Conference on the Computation of Electromagnetic Fields (COMPUMAG)，1999.10，札幌

    

83. Beam propagation analysis of quasi-phase matched second harmonic generation device

    T. Yasui・M. Koshiba・Y. Tsuji，Proceedings of 12th Conference on the Computation of Electromagnetic Fields (COMPUMAG)，1999.10，札幌

    

84. Designtheory and fabrication of a new fused-taper optical fiber mode converter

    T. Lin・Y. Furuumi・M. Imai・Y. Tsuji・M. Koshiba，Proceedings of 13th International Conference on Optical Fiber Sensors(OFS-13)，1999.04，Kyongju

    

85. Analysis of propagation characteristics of photonic crystal circuit components

    M. Koshiba・M. Hikari・Y. Tsuji，International JointMeeting on Photonic Crystals，1999.03，仙台

    

86. Wide-angle finite element beam propagation method with perfectly matched layers for nonlinear optical waveguides

    T. Yasui・M. Koshiba・Y. Tsuji，1998 Asia-Pacific Microwave Conference Proceedings，1998.12，横浜

    

87. Adaptive mesh generation for full-vectorialguided-mode and beampropagation solutions

    Y.Tsuji・M. Koshiba，1998 Asia-PacificMicrowave Conference Proceedings，1998.12，横浜

    

88. Numerical analysis of integrated acoustooptic tunable filters with weighted coupling

    K. Saitoh・M. Koshiba・Y. Tsuji，1998 IEEE Ultrasonics Symposium Proceedings，1998.10，仙台

    

89. Finite element beam propagation method with perfectly matched layer boundary conditions for three-dimensional optical waveguides

    Y. Tsuji・M. Koshiba，Proceedings of 4th International Workshop on Finite Elements for Microwave Engineering，1998.06，Poitier

    

90. A wide-Angle finite element beam propagation method for 3-D optical waveguide structures

    M. Koshiba・Y. Tsuji，Proceedings in Electromagnetics Research Symposium, PIERS 1997，1997.07，Cambridge

    

91. Full-wave analysis of coplanar waveguides for broad-band LiNbO3 optical modulators by the finite element method

    M. Koshiba・Y. Tsuji，Progress in Electromagnetics Research Symposium, PIERS 1997，1997.07，Cambridge

    

92. A wide-Angle finite element beam propagation method for 3-D optical waveguide structures

    M. Koshiba・Y. Tsuji，Shino-Japanese Joint Meeting on Optical Fibre Science and Electromagnetic Theory (OFSET ’97)，1997.02，Wuhan

    

93. Design and modeling of microwave photonic devices

    M. Koshiba・Y. Tsuji，International Topical Meeting on Microwave Photonics, MWP’96，1996.12，京都

    

94. Full-wave analysis of integrated waveguides with sharp metal edges using hybrid edge/nodal finite elements

    M. Koshiba・Md.S. Alam・Y. Tsuji・ S. Maruyama・K. Hirayama・Y. Hayashi，1996 International Symposium on Antennas and Propagation, ISAP ’96，1996.09，千葉

    

95. A two-dimensional design and modeling of semiconductor lasers

    N. Osman・Y. Tsuji・M. Koshiba，The Seventh Biennial IEEE Conference on Electromagnetic Field Computation, CEFC ’96，1996.03，岡山

    

96. A wide-angle beam propagation method based on a finite element scheme

    Y. Tsuji・M. Koshiba・T. Tanabe，The Seventh Biennial IEEE Conference on Electromagnetic Field Computation, CEFC ’96，1996.03，岡山

    

97. Finite element analysis of general conical diffraction by arbitrarily profiled gratings

    Y. Ohkawa・Y. Tsuji・M. Koshiba，The Seventh Biennial IEEE Conference on Electromagnetic Field Computation, CEFC ’96，1996.03，岡山

    

98. A finite element beam propagation method for strongly guiding longitudinally varying optical waveguides

    M. Koshiba・Y. Tsuji，The Fifth Sino-Japanese Joint Meeting on Optical Fiber Science and Electromagnetic Theory, OFSET ’95，1995.09，Tianjin

    

99. An efficient analysis and design tool for integrated optical components

    Y. Tsuji・M. Koshiba，The Pacific Rim Conference on Lasers and Electro-Optics, CLEO/Pacific Rim ’95，1995.07，幕張

    

100. An analysis/design tool for optical waveguides : PHOTONIX GUIDE

     M. Koshiba・Y. Tsuji，Fifth Optoelectronics Conference，1994.07，幕張