Study on ultra-fast optical polarization modulators/polarization-manipulation devices using electro-optic effects

• Project/Area Number: 18360172
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Electron device/Electronic equipment
• Research Institution: Osaka University
• Principal Investigator: MURATA Hiroshi Osaka University, 大学院・基礎工学研究科, 准教授 (20239528)
• Co-Investigator(Kenkyū-buntansha): SHIOMI Hidehisa 大阪大学, 大学院・基礎工学研究科, 助教 (00324822)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥15,220,000 (Direct Cost: ¥13,300,000、Indirect Cost: ¥1,920,000); Fiscal Year 2008: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000); Fiscal Year 2007: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000); Fiscal Year 2006: ¥6,900,000 (Direct Cost: ¥6,900,000)
• Keywords: 偏光変調器 / 電気光学効果 / 分極反転 / 光導波路 / 光集積回路 / タンタル酸リチウム / 偏光分離素子 / Y分岐導波路

Research Abstract

光の偏光状態の制御は、光通信・計測・分光等さまざまな分野において重要な技術である。高速に偏光状態を制御するためには、2つの偏光成分間の位相整合と、光波と高速変調信号の速度整合とを同時に取らねばならない。本研究では、2偏光成分間の位相整合のための短周期分極反転構造と、光波と変調信号の速度整合のための長周期分極反転構造を組み合わせた二重周期分極反転構造を用いた新しい高速偏光制御デバイスを提案した。試作の結果、15GHz 帯における基本動作実験に成功し、その有用性を実証した

Research Products

• [Journal Article] High-speed LiTaO_3 optical polarization modulator using travelling-wave electrode and double periodic poling structure (2009)
  • Author(s): H. Murata, A. Takahasi, and Y. Okamura
  • Journal Title: IEICE Transaction on electronics vol.E92-C, no.2 Pages: 212-216
  • NAID: 10026821007
  • Peer Reviewed
• [Journal Article] High-speed LiTaO_3 optical polarization modulator using travelling-wave electrode and double periodic poling structure (2009)
  • Author(s): Hiroshi Murata
  • Journal Title: IEICE Transaction on electronics 2009 Pages: 212-216
  • NAID: 10026821007
  • Peer Reviewed
• [Journal Article] Fabrication of proton-exchange waveguide using stoichiometric LiTaO_3 for guided-wave electro-optic modulators with polarization-reversed structure (2008)
  • Author(s): H. Murata, and Y. Okamura
  • Journal Title: Advances in OptoElectronics(Article ID 654280) vol.2008 Pages: 1-4
  • Peer Reviewed
• [Journal Article] Detection of an optical signal using difference frequency generation in a periodically poled LiTaO_3 microwave waveguide (2008)
  • Author(s): H. Murata, and Y. Okamura
  • Journal Title: Advances in OptoElectronics(Article ID 587091) vol.2008 Pages: 1-6
  • Peer Reviewed
• [Journal Article] Electrooptic modulators with controlled frequency responses by using nonperiodically polarization-reversed structure (2008)
  • Author(s): H. V. Pham, H. Murata, and Y. Okamura
  • Journal Title: Advances in OptoElectronics(Article ID 948294) vol.2008 Pages: 1-8
  • Peer Reviewed
• [Journal Article] Detection of an optical signal using difference frequency generation in a periodically poled LiTaO_3 microwave waveguide (2008)
  • Author(s): Hiroshi Murata
  • Journal Title: Advances in OptoElectronics 2008
  • Peer Reviewed
• [Journal Article] Fabrication of proton-exchange waveguide using stoichiometric LiTaO_3 for guided-wave electro-optic modulators with polarization-reversed structure (2008)
  • Author(s): Hiroshi Murata
  • Journal Title: Advances in OptoElectronics 2008
  • Peer Reviewed
• [Journal Article] Traveling-wave electrooptic modulators with arbitrary frequency response utilizing non-periodic polarization reversal (2007)
  • Author(s): H. V. Pham, H. Murata, and Y. Okamura
  • Journal Title: Electron. Lett vol.43, no.24 Pages: 1379-1381
  • Peer Reviewed
• [Journal Article] Guided-wave EO intensity modulator using coupled microstrip line electrode of higher-order harmonic resonance combined with polarization-reversed structure (2007)
  • Author(s): A. Enokihara, H. Yajima, H. Murata, and Y. Okamura
  • Journal Title: IEICE Transaction on electronics vol.E90-C, no.5 Pages: 1096-1104
  • NAID: 110007519679
  • Peer Reviewed
• [Journal Article] Traveling-wave electro-optic modulators with arbitrary frequency response utilizing non-periodic polarization reversal (2007)
  • Author(s): Ha Viet Pham
  • Journal Title: Electronics Letters vol.43 Pages: 1379-1381
  • Peer Reviewed
• [Journal Article] Radio-On-Fiberシステム向け26GHz帯分極反転構造電気光学SSB変調器 (2007)
  • Author(s): 村田博司
  • Journal Title: 電子情報通信学会論文誌C vol.J91-C Pages: 101-110
  • NAID: 110007379983
  • Peer Reviewed
• [Journal Article] LiTaO_3 Electro-Optic Polarization Modulator Utilizing Periodically Poled Structure (2007)
  • Author(s): Hiroshi Murata
  • Journal Title: Proceedings of the Twelfth Optoelectronics and Communications Conference/16th International Conference on Integrated Optics and Optical Fiber Communication (OECC/IOOC2007) vol.1 Pages: 670-671
  • Peer Reviewed
• [Journal Article] New Electro-optic Polarization Modulators Utilizing Periodically Poled Structure (2007)
  • Author(s): Asuka Takahashi, et al.
  • Journal Title: Proceedings of the tenth International Symposium on Contemporary Photonics Technology (CPT2007) Vol.1
• [Journal Article] Optical pulse generation using guided-wave electrooptic modulator with resonant electrodes and polarization reversal (2006)
  • Author(s): S. Matsunaga, H. Murata, and Y. Okamura
  • Journal Title: IEEE/OSA J. Lightwave Technola vol.24, no.9 Pages: 3334-3340
  • Peer Reviewed
• [Journal Article] Electro-optic single-sideband modulator with resonant electrodes and polarization-reversed structures (2006)
  • Author(s): H. Murata, and Y. Okamura
  • Journal Title: Jpn. J. Appl. Phys vol.45 Pages: 6643-6647
  • Peer Reviewed
• [Journal Article] 38 GHz signal optical fiber transmission using guided-wave electro-optic single-sideband modulators with polarization reversals (2006)
  • Author(s): Hiroshi Murata, et al.
  • Journal Title: Proceedings of the European Microwave Association Vol.2 Pages: 112-115
• [Journal Article] Electro-optic single-sideband modulator with resonant electrodes and polarization-reversed structures (2006)
  • Author(s): Hiroshi Murata, et al.
  • Journal Title: Japanese Journal of Applied Physics Vol.45 No.8B Pages: 6643-6647
• [Journal Article] Optical Pulse Generation using Guided-Wave Electrooptic Modulator with Resonant Electrodes and Polarization Reversal (2006)
  • Author(s): Shigehiko Matsunaga, et al.
  • Journal Title: IEEE/OSA Journal of Lightwave Technology Vol.24 No.9 Pages: 3334-3340
• [Journal Article] Optical Pulse Generation Using Polarization-Reversed Electrooptic Modulator with Resonant Electrodes (2006)
  • Author(s): Hiroshi Murata, et al.
  • Journal Title: Proceedings of the Conference on Lasers and Electro-Optics 2006 (CLEO2006) Vol. 1
• [Journal Article] 分極反転構造を用いた電気光学偏光変調器 (2006)
  • Author(s): 高橋 明日香
  • Journal Title: 2006年(平成18年)秋季第67回応用物理学会学術講演会講演予稿集 No.3 Pages: 1088-1088
• [Presentation] 分極反転構造を用いた高性能光変調器 (2009)
  • Author(s): 村田博司, 岡村康行
  • Organizer: 2009年春季第56回応用物理学関係連合講演会シンポジウム(no.0, 30p-H-5)
  • Place of Presentation: 筑波大学, 筑波市
  • Year and Date: 2009-03-30
• [Presentation] Fabrication of 2-D photonic crystal structure using LiNbO_3 thin film on sapphire substrate (2008)
  • Author(s): Hiroshi Murata
  • Organizer: IEEE Photonics Global at Singapore 2008
  • Place of Presentation: Singapore
  • Year and Date: 2008-12-11
• [Presentation] Electro-optic microwave signal receiver using polarization-reversed structures (2008)
  • Author(s): Noriyoshi Suda
  • Organizer: IEEE Photonics Global at Singapore 2008
  • Place of Presentation: Singapore
  • Year and Date: 2008-10-09
• [Presentation] High-speed electro-optic modulatorsutilizing polarization-reversed structures (2008)
  • Author(s): Hiroshi Murata
  • Organizer: MWP/APMP2008
  • Place of Presentation: Gold Coast, Australia
  • Year and Date: 2008-10-02
• [Presentation] Novel duobinary modulator utilizing non-periodically polarization-reversed structure(no.3, 28a-ZG-6) (2008)
  • Author(s): H.V. Pham, H. Murata, and Y. Okamura
  • Organizer: 2008年春季第55回応用物理学関係連合講演会
  • Place of Presentation: 日本大学, 船橋市
  • Year and Date: 2008-03-28
• [Presentation] 二重周期分極反転LiTaO_3を用いた高速電気光学偏光変調器(vol.107, OPE2007-168) (2008)
  • Author(s): 村田博司, 高橋明日香, 井上剛, 岡村康行
  • Organizer: 電子情報通信学会光エレクトロニクス研究会
  • Place of Presentation: 信学技報,大阪電気通信大学, 寝屋川市
  • Year and Date: 2008-01-29
• [Presentation] 二重周期分極反転LiTaO_3を用いた高速電気光学偏光変調器 (2008)
  • Author(s): 村田博司
  • Organizer: 電子情報通信学会光エレクトロニクス研究会(OPE)
  • Place of Presentation: 大阪電気通信大学
  • Year and Date: 2008-01-29
• [Presentation] 高性能電気光学変調器のための対称構造共振型電極の解析(OPJ2007, P46) (2007)
  • Author(s): N.T.T. Huong, 村田博司, 岡村康行
  • Place of Presentation: 大阪大学, 吹田市
  • Year and Date: 2007-11-26
• [Presentation] High-speed electro-optic polarization modulator using a double periodic poling structure(C5) (2007)
  • Author(s): H. Murata, A. Takahashi and Y. Okamura
  • Organizer: The 13th Microoptics Conference (MOC'07)
  • Place of Presentation: Takamatsu, Kagawa, Japan
  • Year and Date: 2007-10-29
• [Presentation] 二重周期分極反転構造を用いた進行波型電極高速電気光学偏光変調器 (2007)
  • Author(s): 村田博司, 高橋明日香, 岡村康行
  • Organizer: 2007 年秋季第68回応用物理学会学術講演会
  • Place of Presentation: 北海道工業大学, 札幌市(no.3, 4a-P1-26)
  • Year and Date: 2007-09-04
• [Presentation] 二重周期分極反転構造を用いた進行波型電極高速電気光学偏光変調器 (2007)
  • Author(s): 村田博司
  • Organizer: 2007年(平成19年)秋季第68回応用物理学会学術講演会
  • Place of Presentation: 北海道工業大学
  • Year and Date: 2007-09-04
• [Presentation] Enlargement of frequency deviation range in optical FSK modulator with polarization reversal(no.3, 29a-ZS-8) (2007)
  • Author(s): H. V. Pham, H. Murata, and Y. Okamura
  • Organizer: 2007 年春季第54回応用物理学関係連合講演会
  • Place of Presentation: 青山学院大学, 相模原市
  • Year and Date: 2007-03-29
• [Presentation] New electro-optic polarization modulators utilizing periodically poled structure (2007)
  • Author(s): A. Takahashi, H. Murata, and Y. Okamura
  • Organizer: The 10th international symposium on contemporary photonics technology (CPT2007), LM-8
  • Place of Presentation: Tokyo, Japan
  • Year and Date: 2007-01-11
• [Presentation] Electrooptic modulator with polarization reversal and its application (2006)
  • Author(s): H. Murata, and Y. Okamura
  • Organizer: (invited talk) The 19th annual meeting of the IEEE Lasers and Electro-Optics Society (LEOS2006), TuU3
  • Place of Presentation: Montreal, Canada
  • Year and Date: 2006-10-31
• [Presentation] Proposal for optical FSK modulator utilizing polarization-reversed structure(93) (2006)
  • Author(s): H. V. Pham, H. Murata, and Y. Okamura
  • Organizer: The 1st international conference on communications and electronics (HUT-ICCE2006)
  • Place of Presentation: Hanoi, Vietnam
  • Year and Date: 2006-10-11
• [Presentation] Optical suppressed-carrier single side-band modulator/optical frequency shifter utilizing three-branch waveguide interferometer and polarization-reversed structure (2006)
  • Author(s): H. Murata, M. Anjiki, and Y. Okamura
  • Organizer: The 36th European Microwave Conference 2006 (EuMC2006), EuMC33-1
  • Place of Presentation: Manchester, UK
  • Year and Date: 2006-09-13
• [Presentation] 分極反転構造を用いた電気光学偏光変調器 (2006)
  • Author(s): 高橋明日香, 村田博司, 岡村康行
  • Organizer: 2006 年秋季第67 回応用物理学会学術講演会
  • Place of Presentation: 立命館大学, 草津市(no.3, 31a-ZX-7)
  • Year and Date: 2006-08-31
• [Presentation] Novel optical FSK modulator utilizing polarization-reversed structure (2006)
  • Author(s): H. V. Pham, H. Murata, and Y. Okamura
  • Organizer: 2006年秋季第67回応用物理学会学術講演会講演予稿集
  • Place of Presentation: 立命館大学, 草津市(no.3, 31a-ZX-6)
  • Year and Date: 2006-08-31
• [Presentation] 分極反転構造光変調が拓く新領域(招待講演) (2006)
  • Author(s): 村田博司, 岡村康行
  • Organizer: 電子情報通信学会OCS第2種研究会
  • Place of Presentation: 東レ研修センター, 三島市
  • Year and Date: 2006-06-15