Wavelength Selective Switch and Wavelength Label Coding Circuits Using Microring Resonators

• Project/Area Number: 17068009
• Research Category: Grant-in-Aid for Scientific Research on Priority Areas
• Allocation Type: Single-year Grants
• Review Section: Science and Engineering
• Research Institution: Yokohama National University
• Principal Investigator: KOKUBUN Yasuo Yokohama National University, 大学院工学研究院, 教授 (60134839)
• Project Period (FY): 2005 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥97,700,000 (Direct Cost: ¥97,700,000); Fiscal Year 2008: ¥19,500,000 (Direct Cost: ¥19,500,000); Fiscal Year 2007: ¥24,000,000 (Direct Cost: ¥24,000,000); Fiscal Year 2006: ¥30,200,000 (Direct Cost: ¥30,200,000); Fiscal Year 2005: ¥24,000,000 (Direct Cost: ¥24,000,000)
• Keywords: 光スイッチ / 微小共振器 / フォトニックネットワーク / 非遮断性 / 波長ラベル符号 / 波長選択スイッチ / 直列結合 / マイクロリング / マイクロリング共振器 / 熱光学効果 / 波長ラベル符号化 / 温度無依存化 / 偏光無依存化 / 3次元光集積化 / ヒットレス / バーニャ効果

Research Abstract

波長チャネルをスイッチして光信号の自在なルーティングを実現するため、本研究では直列結合マイクロリング共振器の個々の共振器を個別にチューニングしてドロップ波長を一旦OFFにさせ、バスラインを流れる他の波長信号を遮断せずに他の波長を新たにONに出来るヒットレス波長選択スイッチと、この基本素子を並列に配置して波長スペクトルを符号多重化してルーティング制御を行うための波長ラベル符号化回路を開発・実証した。

Research Products

• [Journal Article] Heterogeneous Multi-Core Fibers: Proposal and Design Principle (2009)
  • Author(s): Masanori Koshiba, Kunimasa Saitoh, Yasuo Kokubun
  • Journal Title: IEICE Electronics Express vol.6, no.2 Pages: 98-103
  • NAID: 130001277207
  • Peer Reviewed
• [Journal Article] Heterogeneous Multi-Core Fibers : Proposal and Design Principle (2009)
  • Author(s): Masanori Koshiba
  • Journal Title: IEICE Electronics Express vol.6, no.2 Pages: 98-103
  • Peer Reviewed
• [Journal Article] Driving voltage analysis for fast response of waveguide optical switch based on movement of droplet driven by electrostatic force (2008)
  • Author(s): Takuji Ikemoto, Yasuo Kokubun
  • Journal Title: IEICE Trans. Electronics vol.E91-C, no.12 Pages: 1923-1932
  • Peer Reviewed
• [Journal Article] Bessel-Thompson filter using double-series-coupled microring resonator (2008)
  • Author(s): Tomoyuki Kato, Yasuo Kokubun
  • Journal Title: IEEE/OSA J. Lightwave Technology vol.26, no.2 Pages: 3694-3698
  • NAID: 120003911404
  • Peer Reviewed
• [Journal Article] Analysis of stress in plasma enhanced chemical vapor deposition silicon nitride film irradiated with ultraviolet light (2008)
  • Author(s): Yoshimi Shioya, Hideki Takagi, Ryutaro Maeda, Yasuo Kokubun
  • Journal Title: Jpn. J. Appl. Phys. vol.47, no.9 Pages: 7081-7088
  • NAID: 40016294919
  • Peer Reviewed
• [Journal Article] A wavelength-selective add-drop switch using silicon microring resonator with a submicron comb electrostatic actuator (2008)
  • Journal Title: OSA Optics Express vol.16, no.19 Pages: 14421-14428
  • Peer Reviewed
• [Journal Article] Low loss vertical optical path conversion using 45-degree mirror for coupling between optical waveguide devices and planar devices (2008)
  • Author(s): Yasutomo Johraku, Yasuo Kokubun
  • Journal Title: Jpn. J. Appl. Phys. (Special issue on MOC'07) vol.47, no.8 Pages: 6744-6749
  • Peer Reviewed
• [Journal Article] Optimal detuning combination of hitless wavelength selective switch using quadruple series coupled microring resonator (2008)
  • Author(s): Yuta Goebuchi, Masahiko Hisada, Tomoyuki Kato, Yasuo Kokubun
  • Journal Title: Jpn. J. Appl. Phys. (Special issue on MOC'07) vol.47, no.8 Pages: 6733-6738
  • Peer Reviewed
• [Journal Article] Optical cross-connect circuit using hitless wavelength selective switch (2008)
  • Author(s): Yuta Goebuchi, Masahiko Hisada, Tomoyuki Kato, Yasuo Kokubun
  • Journal Title: OSA Optics Express vol.16, no.2 Pages: 535-548
  • NAID: 120003911377
  • Peer Reviewed
• [Journal Article] Driving voltage analysis for fast response of waveguide optical switch based on movement of droplet driven by electrostatic force (2008)
  • Author(s): Takuji Ikemoto
  • Journal Title: IEICE Trans. Electronics vol.E91-C, no.12 Pages: 1923-1932
  • Peer Reviewed
• [Journal Article] Bessel-Thompson filter using double-series-coupled microring resonator (2008)
  • Author(s): Tomoyuki Kato
  • Journal Title: IEEE/OSA J. Lightwave Technology vol.26, no.22 Pages: 3694-3698
  • Peer Reviewed
• [Journal Article] Analysis of stress in plasma enhanced chemical vapor deposition silicon nitride film irradiated with ultraviolet light (2008)
  • Author(s): Yoshimi Shioya
  • Journal Title: Jpn. J. Appl. Phys. vol.47, no.9 Pages: 7081-7088
  • Peer Reviewed
• [Journal Article] A wavelength-selective add-drop switch using silicon microring resonator with a submicron comb electrostatic actuator (2008)
  • Author(s): Kazunori Takahashi
  • Journal Title: OSA Optics Express vol.16, no.19 Pages: 14421-14428
  • Peer Reviewed
• [Journal Article] Low loss vertical optical path conversion using 45-degree mirror for coupling between optical waveguide devices and planar devices (2008)
  • Author(s): Yasutomo Johraku
  • Journal Title: Jpn. J. Appl. Phys. (Special issue on MOC'07) vol.47, no.8 Pages: 6744-6749
  • Peer Reviewed
• [Journal Article] Optimal detuning combination of hitless wavelength selective switch using quadruple series coupled microring resonator (2008)
  • Author(s): Yuta Goebuchi
  • Journal Title: Jpn. J. Appl. Phys. (Special issue on MOC'07) vol.47, no.8 Pages: 6733-6738
  • Peer Reviewed
• [Journal Article] Optical cross-connect circuit using hitless wavelength selective switch (2008)
  • Author(s): Yuta Goebuchi
  • Journal Title: OSA Optics Express vol.16,no.2 Pages: 535-548
  • Peer Reviewed
• [Journal Article] Athermal and Polarization Independent Microring Resonator Filter by Stress Control (2007)
  • Author(s): Naoki Kobayashi, Nobuhiro Zaizen, Yasuo Kokubun
  • Journal Title: Jpn. J. Appl. Phys. vol.46, no.8B Pages: 5465-5469
  • Peer Reviewed
• [Journal Article] Improvement of switching characteristics of hitless wavelength selective switch using double.series-coupled microring resonator (2007)
  • Author(s): Tomoyuki Kato, Yuta Goebuchi, Yasuo Kokubun
  • Journal Title: Jpn. J. Appl. Phys. vol.46, no.6A Pages: 3428-3432
  • Peer Reviewed
• [Journal Article] High index contrast optical waveguides and their applications to microring filter circuit and wavelength selective switch(Invited paper) (2007)
  • Author(s): Yasuo Kokubun
  • Journal Title: IEICE Trans. Electronics (Special Selection on Recent Advances in Integrated Photonic Devices) vol.E90-C, no.5 Pages: 1037-1045
• [Journal Article] Multi-wavelength and multi-port hitless wavelength selective switch using series-coupled microring resonators (2007)
  • Author(s): Yuta Goebuchi, Tomoyuki Kato, Yasuo Kokubun
  • Journal Title: IEEE Photon. Technol. Lett. vol.19, no.9 Pages: 671-673
  • Peer Reviewed
• [Journal Article] Fabrication of microchannel with thin cover layer aiming toword optical waveguide MEMS switch based on microfluidics (2007)
  • Author(s): Takuji Ikemoto, Yasuo Kokubun
  • Journal Title: IEICE Trans. Electronics (Special Issue on MEMS) vol.E90-C, no.1 Pages: 78-86
  • Peer Reviewed
• [Journal Article] Athermal and Polarization Independent Microring Resonator Filter by Stress Control (2007)
  • Author(s): Naoki Kobayashi
  • Journal Title: Jpn. J. Appl. Phys. vol.46,no.8B Pages: 5465-5469
  • Peer Reviewed
• [Journal Article] Switching characteristics improvement of hitless wavelength selective switch using double-series-coupled microring resonator (2007)
  • Author(s): Tomoyuki Kato_
  • Journal Title: Jpn. J. Appl. Phys. vol.46,no.6A Pages: 3428-3432
  • Peer Reviewed
• [Journal Article] High index contrast optical waveguides and their applications to microring filter circuit and wavelength selective switch (2007)
  • Author(s): Yasuo Kokubun
  • Journal Title: IEICE Trans. Electronics (Special Selection on Recent Advances in Integrated Photonic Devices) vol.E90-C,no.5 Pages: 1037-1045
  • NAID: 110007519672
  • Peer Reviewed
• [Journal Article] Multi-wavelength and multi-port hitless wavelength selective switch using series-coupled microring resonators (2007)
  • Author(s): Yuta Goebuchi
  • Journal Title: IEEE Photon. Technol. Lett. vol.19,no.9 Pages: 671-673
  • Peer Reviewed
• [Journal Article] Fabricationof microchannel with thin cover layer aiming toword optical waveguide MEMS switch based on microfluidics (2007)
  • Author(s): T.Ikemoto, Y.Kokubun
  • Journal Title: IEICE Trans. Electronics vol.E90-C, no.1 Pages: 78-86
• [Journal Article] Reversal of UV sensitivity and loss reduction of SiON microring resonator by annealing (2006)
  • Author(s): Satoshi Ueno, Takashi Tatewaki, Toshiyuki Ohdaira, Yoshimi Shioya, Yasuo Kokubun
  • Journal Title: Jpn. J. Appl. Phys. vol.45, no.11 Pages: 8691-8695
  • Peer Reviewed
• [Journal Article] Coupling efficiency control of vertically coupled microring resonator filter by micro-actuator (2006)
  • Author(s): Go Sekiguchi, Naoki Kobayashi, Yasuo Kokubun
  • Journal Title: IEEE Photon. Technol. Lett. vol.18, no.20 Pages: 2141-2143
  • NAID: 110004745212
  • Peer Reviewed
• [Journal Article] Experimental study of optimum coupling efficiency of double series coupled microring resonator (2006)
  • Author(s): Tomoyuki Kato, Yuta Goebuchi, Yasuo Kokubun
  • Journal Title: Jpn. J. Appl. Phys. vol.45, no.10A Pages: 7741-7745
  • NAID: 40007462496
  • Peer Reviewed
• [Journal Article] Optimum arrangement of high-order series coupled microring resonator for crosstalk reduction (2006)
  • Author(s): Yuta Goebuchi, Tomoyuki Kato, Yasuo Kokubun
  • Journal Title: Jpn. J. Appl. Phys. vol.45, no.7 Pages: 5769-5574
  • NAID: 10017999797
  • Peer Reviewed
• [Journal Article] Fabrication of 1×2 interleaver by parallel-coupled microring resonator (2006)
  • Author(s): Toshinobu Ito, Yasuo Kokubun
  • Journal Title: Electonics and Communications in Japan (John Wiley) Part 2, vol.89, no.3 Pages: 56-64
  • NAID: 110003207330
  • Peer Reviewed
• [Journal Article] Fast and stable wavelength selective switch using double-series coupled dielectric microring resonator (2006)
  • Author(s): Yuta Goebuchi, Tomoyuki Kato, Yasuo Kokubun
  • Journal Title: IEEE Photon. Technol. Lett. vol.18, no.3 Pages: 538-540
  • Peer Reviewed
• [Journal Article] Optimum coupling coefficients is second-order series-coupled ring resonator for non-blocking wavelength channel switch (2006)
  • Author(s): Tomoyuki Kato, Yasuo Kokubun
  • Journal Title: IEEE/OSA J. Lightwave Technology vol.24, no.2
  • Peer Reviewed
• [Journal Article] Optimum arrangement of high-order series coupled microring resonator for crosstalk reduction (2006)
  • Author(s): Y.Goebuchi, T.Kato, Y.Kokubun
  • Journal Title: Jpn. J. Appl. Phys. vol.45,no.7 Pages: 5769-5774
  • NAID: 10017999797
• [Journal Article] Experimental search of optimum coupling efficiency of double series coupled microring resonator (2006)
  • Author(s): T.Kato, Y.Goebuchi, Y.Kokubun
  • Journal Title: Jpn. J. Appl. Phys. vol.45, no.10A Pages: 7741-7745
• [Journal Article] Coupling efficiency control of vertically coupled microring resonator filter by micro-actuator (2006)
  • Author(s): G.Sekiguchi, N.Kobayashi, Y.Kokubun
  • Journal Title: IEEE Photon. Technol. Lett. vol.18, no.20 Pages: 2141-2143
  • NAID: 110004745212
• [Journal Article] Reversal of UV sensitivity and loss reductionof SiON microring resonator by annealing (2006)
  • Author(s): S.Ueno, T.Tatewaki, T.Ohdaira, Y.Shioya, Y.Kokubun
  • Journal Title: Jpn. J. Appl. Phys vol.45, no.11 Pages: 8691-8695
• [Journal Article] Fast and stable wavelength selective switch using double-series coupled dielectric microring resonator (2006)
  • Author(s): Yuta Goebuchi, Tomoyuki Kato, Yasuo Kokubun
  • Journal Title: IEEE Photon.Technol.Lett. vol.18, no.3 Pages: 538-540
• [Journal Article] Optimum coupling coefficient of second-order series coupled ring resonator for non-blocking wavelength channel switch (2006)
  • Author(s): Tomoyuki Kato, Yasuo Kokubun
  • Journal Title: EEE/OSA J.Lightwave Technology vol.24, no.2 Pages: 991-999
• [Journal Article] Spectrum response improvement of higher-order series coupled microring resonator filter by UV trimming (2005)
  • Author(s): Toshiki Naganawa, Satoshi Ueno, Yasuo Kokubun
  • Journal Title: IEEE Photon. Technol. Lett. vol.17, no.10 Pages: 2104-2106
  • Peer Reviewed
• [Journal Article] Spectrum response improvement of higher-order series coupled microring resonator filter by UV trimming (2005)
  • Author(s): Toshiki Naganawa, Satoshi Ueno, Yasuo Kokubun
  • Journal Title: IEEE Photon.Technol.Lett. vol.17, no.10 Pages: 2104-2106
• [Journal Article] Optimum wavelength filter spectrum response in DWDM systems for ultimate spectral efficiency (2005)
  • Author(s): Shuichi Suzuki, Yasuo Kokubun
  • Journal Title: IEICE Trans.Commun. vol.E88-B, no.9 Pages: 3649-3659
  • NAID: 110003223103
• [Journal Article] Three-dimensional propagation analysis of coupling efficiency using segmentation and coupled mode theory for vertically coupled microring resonator filter (2005)
  • Author(s): Tomoyuki Kato, Yasuo Kokubun
  • Journal Title: IEEE/OSA J.Lightwave Technology vol.23, no.8 Pages: 2549-2554
• [Journal Article] Non-blocking wavelength channel switch using TO effect of double series coupled microring resonator (2005)
  • Author(s): Shunichi Yamagata, Tomoyuki Kato, Yasuo Kokubun
  • Journal Title: Electronics Letters vol.41, no.10 Pages: 593-595
• [Journal Article] Large UV sensitivity of SiON film and its application to center wavelength trimming of microring resonator filter (2005)
  • Author(s): Satoshi Ueno, Toshiki Naganawa, Yasuo Kokubun
  • Journal Title: IEICE Trans.Electronics vol.E88-C, no.5 Pages: 998-1004
• [Journal Article] Polarization Independent Tuning of Widely Tunable Vertically Coupled Microring Resonator by Thermo-Optic Effect (2005)
  • Author(s): Go Sekiguchi, Shunichi Yamagata, Yasuo Kokubun
  • Journal Title: Jpn.J.Appl.Phys. vol.44, No.4A Pages: 1792-1796
• [Presentation] Integrated wavelength selective switch circuit based on microring resonator (2008)
  • Author(s): Yasuo Kokubun
  • Organizer: Asia-Pacific Optical Communications (APOC2008)
  • Place of Presentation: Hangzhou
  • Year and Date: 2008-10-28
• [Presentation] Integrated wavelength selective switch circuit based on microring resonator (Invited talk) (2008)
  • Author(s): Yasuo Kokubun
  • Organizer: Asia-Pacific Optical Communications (APOC2008)
  • Place of Presentation: Hangzhou,China
  • Year and Date: 2008-10-28
• [Presentation] UV Trimming and Temperature Coefficient Control of Resonant Wavelength of Microring Resonator with SiON Core (2008)
  • Author(s): Yasuo Kokubun, Naoki Kobayashi, Takashi Tatewaki, Tomoyuki Sato
  • Organizer: 14th Microoptics Conference (MOC'08)
  • Place of Presentation: Brussel
  • Year and Date: 2008-09-26
• [Presentation] Low loss vertical optical path conversion using 45-degrees mirror for coupling between optical waveguide devices and planar devices (2007)
  • Author(s): Yasutomo Johraku, Yasuo Kokubun
  • Organizer: 13th Microoptics Conference (MOC'07)
  • Place of Presentation: Takamatsu
  • Year and Date: 2007-10-29
• [Presentation] Optimum combination of tuning of hitless wavelength selective switch using quadruple series coupled microring resonator (2007)
  • Author(s): Yuta Goebuchi, Masahiko Hisada, Tomoyuki Kato, Yasuo Kokubun
  • Organizer: 13th Microoptics Conference (MOC'07)
  • Place of Presentation: Takamatsu
  • Year and Date: 2007-10-29
• [Presentation] Microring resonator devices(Invited talk) (2007)
  • Author(s): Yasuo Kokubun
  • Organizer: Asia Optical Fiber Communication & Optoelectronic Exposition & Conference (AOE) 2007
  • Place of Presentation: Shanghai
  • Year and Date: 2007-10-19
• [Presentation] Microring resonator devices (2007)
  • Author(s): Yasuo Kokubun
  • Organizer: Asia Optical Fiber Communication & Optoelectronic Exposition & Conference (AOE) 2007
  • Place of Presentation: Shanghai
  • Year and Date: 2007-10-19
• [Presentation] Optimum coupling efficiency condition of quadruple-series-coupled microring resonator (2007)
  • Author(s): Tomoyuki Kato, Yasuo Kokubun
  • Organizer: 12th OptoElectronics and Communications Conference/ 16th International Conference on Integrated Optics and Optical Fiber Communication (OECC/IOOC2007)
  • Place of Presentation: Yokohama
  • Year and Date: 2007-07-13
• [Presentation] Box-like filter response of quadruple series coupled microring resonator by coupling efficiency control (2007)
  • Author(s): Masahiko Hisada, Yuta Goebuchi, Tomoyuki Kato, Yasuo Kokubun
  • Organizer: 12th OptoElectronics and Communications Conference/ 16th International Conference on Integrated Optics and Optical Fiber Communication (OECC/IOOC2007)
  • Place of Presentation: Yokohama
  • Year and Date: 2007-07-13
• [Presentation] Optimum coupling effciency condition of quadruple-series-coupled microring resonator (2007)
  • Author(s): Tomoyuki Kato
  • Organizer: 12th OptoElectronics and Communications Conference/16th International Conference on Integrated Optics and Optical Fiber Communication (OECC/IOOC2007)
  • Place of Presentation: Yokohama
  • Year and Date: 2007-07-13
• [Presentation] Box-like filter response of quadruple series coupled microring resonator by coupling efficiency control (2007)
  • Author(s): Masahiko Hisada
  • Organizer: 12th OptoElectronics and Communications Conference/16th International Conference on Integrated Optics and Optical Fiber Communication (OECC/IOOC2007)
  • Place of Presentation: Yokohama
  • Year and Date: 2007-07-13
• [Presentation] Polarization independent microring resonator filter using internal stress and temperature control (2007)
  • Author(s): Naoki Kobayashi, Nobuhiro Zaizen, Yasuo Kokubun
  • Organizer: 12th OptoElectronics and Communications Conference/ 16th International Conference on Integrated Optics and Optical Fiber Communication (OECC/IOOC2007)
  • Place of Presentation: Yokohama
  • Year and Date: 2007-07-12
• [Presentation] Multi-wavelength channel selective switch by cascading TO-tunable quadruple series-coupled microrings (2007)
  • Author(s): Yuta Goebuchi, Masahiko Hisada, Tomoyuki Kato, Yasuo Kokubun
  • Organizer: 12th OptoElectronics and Communications Conference/ 16th International Conference on Integrated Optics and Optical Fiber Communication (OECC/IOOC2007)
  • Place of Presentation: Yokohama
  • Year and Date: 2007-07-12
• [Presentation] Polarization independent microring resonator filter using internal stress and temperature control (2007)
  • Author(s): Naoki Kobayashi
  • Organizer: 12th OptoElectronics and Communications Conference/16th International Conference on Integrated Optics and Optical Fiber Communication (OECC/IOOC2007)
  • Place of Presentation: Yokohama
  • Year and Date: 2007-07-12
• [Presentation] Multi-wavelength channel selective switch by cascading TO-tunable quadruple series-coupled microrings (2007)
  • Author(s): Yuta Goebuchi
  • Organizer: 12th OptoElectronics and Communications Conference/16th International Conference on Integrated Optics and Optical Fiber Communication (OECC/IOOC2007)
  • Place of Presentation: Yokohama
  • Year and Date: 2007-07-12
• [Presentation] Athermal microring resonator filter by stress control (2006)
  • Author(s): Nobuhiro Zaizen, Naoki Kobayashi, Yasuo Kokubun
  • Organizer: Twelveth Microoptics Conference (MOC'06)
  • Place of Presentation: Seoul
  • Year and Date: 2006-09-13
• [Presentation] Multi-wavelength channel selective switch by cascading hitless tunable microring resonators (2006)
  • Author(s): Yuta Goebuchi, Tomoyuki Kato, Yasuo Kokubun
  • Organizer: Twelveth Microoptics Conference (MOC'06)
  • Place of Presentation: Seoul
  • Year and Date: 2006-09-11
• [Presentation] Integrated microring resonator circuits for large scale optical cross-connects(Invited talk) (2006)
  • Author(s): Yasuo Kokubun
  • Organizer: Asia-Pacific Optical Communications (APOC2006)
  • Place of Presentation: Gwangju
  • Year and Date: 2006-09-05
• [Presentation] Reversal of UV sensitivity and loss reduction of SiON microring resonator by annealing (2006)
  • Author(s): Satoshi Ueno, Takashi Tatewaki, Toshiyuki Ohdaira, Yoshimi Shioya, Yasuo Kokubun
  • Organizer: 11th Opto-Electronics and Communications Conference
  • Place of Presentation: Taiwan
  • Year and Date: 2006-07-07
• [Presentation] Lossless Bessel-Thompson filter by double series coupled microring resonator (2006)
  • Author(s): Tomoyuki Kato, Yasuo Kokubun
  • Organizer: 11th Opto-Electronics and Communications Conference
  • Place of Presentation: Taiwan
  • Year and Date: 2006-07-06
• [Presentation] Coupling efficiency control of vertically coupled microring resonator filter by micro-actuator (2006)
  • Author(s): Go Sekiguchi, Naoki Kobayashi, Yasuo Kokubun
  • Organizer: 11th Opto-Electronics and Communications Conference
  • Place of Presentation: Taiwan
  • Year and Date: 2006-07-05
• [Presentation] Filter response improvement of higher-order series coupled microring resonatrors by selective UV trimming (2005)
  • Author(s): Satoshi Ueno, Toshiki Naganawa, Yasuo Kokubun
  • Organizer: Eleventh Microoptics Conference (MOC'05)
  • Place of Presentation: Tokyo
  • Year and Date: 2005-10-31
• [Presentation] Non-blocking wavelength switch using TO effect of double series coupled dielectric microring resonator (2005)
  • Author(s): Yuta Goebuchi, Tomoyuki Kato, Yasuo Kokubun
  • Organizer: Eleventh Microoptics Conference (MOC'05)
  • Place of Presentation: Tokyo
  • Year and Date: 2005-10-31
• [Presentation] Photonic integration -From ARROW and microring toward VLSI photonics-(Plenary talk) (2005)
  • Author(s): Yasuo Kokubun
  • Organizer: Eleventh Microoptics Conference (MOC'05)
  • Place of Presentation: Tokyo
  • Year and Date: 2005-10-31
• [Presentation] Expansion of tuning range of wavelength selective switch using Vernier effect of series coupled microring resonator (2005)
  • Author(s): Yuta Goebuchi, Tomoyuki Kato, Yasuo Kokubun
  • Organizer: The 18th Annumal Meeting of the IEEE Lasers and Electro-Optics Society
  • Place of Presentation: Sydney
  • Year and Date: 2005-10-27
• [Presentation] Optimum design of double series coupled microring resonator for wavlength selective sitch (2005)
  • Author(s): Tomoyuki Kato, Yuta Goebuchi, Yasuo Kokubun
  • Organizer: The 18th Annumal Meeting of the IEEE Lasers and Electro-Optics Society
  • Place of Presentation: Sydney
  • Year and Date: 2005-10-25
• [Book] Encyclopedic Handbook of Integrated Optics (2005)
  • Author(s): Kenichi Iga, Yasuo Kokubun(編集および分担執筆)
  • Total Pages: 507
  • Publisher: CRC Press (Taylor & Francis Group)
• [Patent(Industrial Property Rights)] 直列結合リング共振器波長フィルタの中心波長制御方法 (2008)
  • Inventor(s): 國分泰雄
  • Industrial Property Rights Holder: 横浜国立大学
  • Acquisition Date: 2008-02-22
• [Patent(Industrial Property Rights)] 結合系マルチコアファイバおよび非結合系マルチコアファイバ (2008)
  • Inventor(s): 國分泰雄, 小柴正則, 盛岡敏夫
  • Industrial Property Rights Holder: 横浜国大, 北海道大, 情報通信機構
  • Industrial Property Number: 2008-258286
  • Filing Date: 2008-10-03
• [Patent(Industrial Property Rights)] 一方向性損失付加デバイス、一方向性発振リングレーザ、および光アイソレータ (2008)
  • Inventor(s): 國分泰雄, 荒川太郎, 大澤和弘
  • Industrial Property Rights Holder: 横浜国大
  • Industrial Property Number: 2008-221074
  • Filing Date: 2008-08-29
• [Patent(Industrial Property Rights)] 直列結合リング共振器波長フィルタの中心波長制御方法 (2008)
  • Inventor(s): 國分泰雄
  • Industrial Property Rights Holder: JST
  • Acquisition Date: 2008-02-22
• [Patent(Industrial Property Rights)] 光導波路波長フィルタの形成方法および光導波路波長フィルタ (2007)
  • Inventor(s): 國分泰雄、小林直樹
  • Industrial Property Rights Holder: 横浜国立大学
  • Industrial Property Number: 2007-219862
  • Filing Date: 2007-08-27
• [Patent(Industrial Property Rights)] 光記録方法、光記録媒体、および光記録装置 (2007)
  • Inventor(s): 國分泰雄、豊岡武裕、正木明
  • Industrial Property Rights Holder: 横浜国立大学
  • Acquisition Date: 2007-07-06
• [Patent(Industrial Property Rights)] 光導波路波長フィルタの形成方法および光導波路波長フィルタ (2007)
  • Inventor(s): 國分泰雄, 小林直樹
  • Industrial Property Rights Holder: 横浜国大
  • Industrial Property Number: 2007-219862
  • Filing Date: 2007-08-27
• [Patent(Industrial Property Rights)] 光記録方法、光記録媒体、および光記録装置 (2007)
  • Inventor(s): 國分泰雄, 豊岡武裕, 正木明
  • Industrial Property Rights Holder: TLO
  • Industrial Property Number: 2002-070008
  • Acquisition Date: 2007-07-06
• [Patent(Industrial Property Rights)] 光導波路 (2006)
  • Inventor(s): 國分泰雄、財前宣浩
  • Industrial Property Rights Holder: 横浜国立大学
  • Industrial Property Number: 2006-071730
  • Filing Date: 2006-03-15
• [Patent(Industrial Property Rights)] 偏光特性・伝搬特性制御方法、およびリング共振器、光導波路、導波路型光デバイス、ならびに各種光デバイスの製造方法 (2006)
  • Inventor(s): 國分泰雄、久保田慎也
  • Industrial Property Rights Holder: 横浜国立大学
  • Acquisition Date: 2006-11-24
• [Patent(Industrial Property Rights)] 非対称方向性結合器型光導波路波長フィルタ (2006)
  • Inventor(s): 朱世徳、潘伍根、Brent E. Little, 國分泰雄、佐藤信也、前田剛志、加藤隆
  • Industrial Property Rights Holder: 横浜国立大学
  • Acquisition Date: 2006-01-27
• [Patent(Industrial Property Rights)] 偏光特性・伝搬特性制御方法、およびリング共振器、光導波路、導波路型光デバイス、ならびに各種光デバイスの製造方法 (2000)
  • Inventor(s): 國分泰雄, 久保田慎也
  • Industrial Property Rights Holder: 科学技術振興機構
  • Filing Date: 2000-11-07