Study of the homodyne detection for the optical M-ary QAM signal on the optical frequency synchronous network

• Project/Area Number: 15H04009
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Communication/Network engineering
• Research Institution: Oita University
• Principal Investigator: KOGA Masafumi 大分大学, 大学院理工研究科, 教授 (60448545)
• Co-Investigator(Kenkyū-buntansha): MIZUTORI Akira 大分大学, 理工学部, 助教 (10190646)
• Project Period (FY): 2015 – 2017
• Project Status: Completed (Fiscal Year 2017)
• Budget Amount: ¥16,640,000 (Direct Cost: ¥12,800,000、Indirect Cost: ¥3,840,000); Fiscal Year 2017: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000); Fiscal Year 2016: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000); Fiscal Year 2015: ¥6,500,000 (Direct Cost: ¥5,000,000、Indirect Cost: ¥1,500,000)
• Keywords: 光位相同期 / 光ホモダイン検波 / 偏波多重 / 多値QAM信号 / コヒーレント光通信 / マルチコア光ファイバ / 情報通信工学 / 多値QAM符号 / 光ファイバ通信 / 量子エレクトロニクス / フォトニックネットワーク / ホモダイン検波 / 位相同期

Outline of Final Research Achievements

We demonstrated signal light carrier automatic phase-lock operation by our newly developed microcomputer-controlled phase-lock loop circuit.
16 -QAM optical signal homodyne detection was demonstrated by extracting +/-π/4 and +/-3π/4-phase data symbols from 16-QAM signal, our decision-driven Costas loop for QPSK code achieved the LO light phase-locking to the signal carrier wave modulated at 16-QAM code.
We investigated approaches that can cancel nonlinear phase noise effectively for the phase-conjugate pair diversity transmission of 16-QAM WDM signals through multi-core fiber.

Research Products

• [Journal Article] Nonlinear Phase-Shift Cancellation by Taking the Geometric Mean of WDM-Signal Phase-Conjugate Pair (2018)
  • Author(s): Takahisa KODAMA, Akira MIZUTORI, Takayuki KOBAYASHI, Takayuki MIZUNO, Masafumi KOGA
  • Journal Title: IEICE Transactions on Communications Volume: E101.B Issue: 8 Pages: 1845-1852
  • DOI: 10.1587/transcom.2017EBP3351
  • NAID: 130007429336
  • ISSN: 0916-8516, 1745-1345
  • Year and Date: 2018-08-01
  • Peer Reviewed
• [Journal Article] Optical diversity transmission using WDM signal and phase-conjugate lights through multi-core fiber (2016)
  • Author(s): M. Koga, M. Moroi, and H .Takara
  • Journal Title: OSA OPTICS EXPRESS Volume: 24 Issue: 9 Pages: 9340-9352
  • DOI: 10.1364/oe.24.009340
  • Peer Reviewed / Open Access / Acknowledgement Compliant
• [Journal Article] Automatic optical heterodyne phase lock by microcomputer-assisted loop filter (2016)
  • Author(s): Y. Hisada. A. Mizutori, and M. Koga
  • Journal Title: IEICE Communication Express Volume: 5 Pages: 448-453
  • NAID: 130005172275
  • Peer Reviewed / Acknowledgement Compliant
• [Journal Article] Optical pump phase-locking to a carrier wave extracted from phase-conjugated twin waves for phase-sensitive optical amplifier repeaters (2016)
  • Author(s): Y. Okamura, ... M. Koga, and A. Takada
  • Journal Title: OSA OPTICS EXPRESS Volume: 23 Issue: 23 Pages: 26300-26305
  • DOI: 10.1364/oe.24.026300
  • Peer Reviewed / Open Access
• [Journal Article] 高確度光周波数発生技術と光ファイバー通信への応用 (2015)
  • Author(s): 古賀正文、水鳥明
  • Journal Title: O plus E Volume: 8 Pages: 614-622
  • Acknowledgement Compliant
• [Presentation] Optical 16-QAM Signal Homodyne Detection by Extracting +/-π/4 and +/-3π/4-Phase Symbols (2017)
  • Author(s): A. Mizutori, T. Abe, and M. Koga
  • Organizer: International Conference on Optical Fiber Communications(OFC2017)
  • Place of Presentation: LA Convention Center,LA,USA
  • Year and Date: 2017-03-23
  • Int'l Joint Research
• [Presentation] 信号光位相共役光対光信号の和周波光発生を利用した 励起光位相同期ループ制御による非縮退パラメトリック位相感応型光増幅実験 (2017)
  • Author(s): 大道雄也, 阿部真志, 近藤紘太郎, 岡村康弘, 風間拓志, 梅木毅伺, 古賀正文, 高田篤
  • Organizer: レーザ学会
  • Place of Presentation: 徳島大学,徳島市、徳島県
  • Year and Date: 2017-01-06
• [Presentation] 偏波多重QPSK信号コスタスループホモダイン検波 (2017)
  • Author(s): 阿部 智康, 小玉 貴久, 水鳥 明, 古賀 正文
  • Organizer: 電子情報通信学会ソサイエティ大会
• [Presentation] Pump Phase-Locking to Phase-Conjugated Twin Waves with Heterodyne OPLL Assisted by Sum-Frequency and Second Harmonic Generation for ND-PSAs (2017)
  • Author(s): Yasuhiro Okamura(1), Kotaro Kondo(1), Takumi Okabe(1), Masafumi Koga(2), and Atsushi Takada
  • Organizer: 22nd Microoptics Conference(MOC2017), Tokyo, Japan, Nov. 19-22, 2017
• [Presentation] マイクロコンピュータ制御自動引き込み ヘテロダイン位相同期ならびにQPSKホモダイン検波の実証 (2016)
  • Author(s): 久田雄大、水鳥明、古賀正文
  • Organizer: 電子情報通信学会 信学技法OCS9-12
  • Place of Presentation: 長崎商工会議所・長崎市・長崎県
  • Year and Date: 2016-11-10
• [Presentation] Optical Phase-Lock Technologies for Optical Communication, Sensors, and Measurements (2016)
  • Author(s): M. Koga
  • Organizer: Nano Science & Technology-2016
  • Place of Presentation: HolidayINN Singapore, Singapore
  • Year and Date: 2016-10-26
  • Int'l Joint Research / Invited
• [Presentation] First Demonstration of Non-Degenerate Phase- Sensitive Amplification with Pump Light Recovered by Optical Phase-Locked Loop (2016)
  • Author(s): Y. Okamura, K. Kondo, Y.Ohmichi,...M. Koga, and A. Takada
  • Organizer: The 2016 IEEE Photonics Conference (IPC 2016)
  • Place of Presentation: Waikoloa, HI(米国)/Hilton Waikoloa Village
  • Year and Date: 2016-10-05
  • Int'l Joint Research
• [Presentation] CPU制御ループフィルタによる20Gbit/s光QPSKホモダイン自動位相同期 (2016)
  • Author(s): 水鳥明、久田雄大、古賀正文
  • Organizer: 2016年 電子情報通信学会 ソサイエティ大会
  • Place of Presentation: 札幌市/北海道大学/札幌キャンパス
  • Year and Date: 2016-09-20
• [Presentation] 16値光QAM信号のコスタスループによるホモダイン検波 (2016)
  • Author(s): 阿部智康、小玉貴久、水鳥明、古賀正文
  • Organizer: 2016年 電子情報通信学会 ソサイエティ大会
  • Place of Presentation: 札幌市/北海道大学/札幌キャンパス
  • Year and Date: 2016-09-20
• [Presentation] 多値QAM-WDM 信号光とその位相共役光を用いた 光ダイバーシティ伝送によるQ 値向 (2016)
  • Author(s): 師井光基、古賀正文
  • Organizer: 2016年 電子情報通信学会 ソサイエティ大会
  • Place of Presentation: 札幌市/北海道大学/札幌キャンパス
  • Year and Date: 2016-09-20
• [Presentation] Signal Light Carrier Automatic Phase-Lock Operation to Optical Frequency Grid Comb (2016)
  • Author(s): Y.Hisata, A. Mizutori,and M. Koga
  • Organizer: OECC2016
  • Place of Presentation: 朱鷺メッセ・新潟市、新潟県
  • Year and Date: 2016-07-06
  • Int'l Joint Research
• [Presentation] Optical phase-locking among phase-conjugated twin waves and free-running pump by using sum-frequency and second harmonic generation assisted OPLL for ND-PSA repeaters (2016)
  • Author(s): Y. Okamura, ... M. Koga, and A. Takada
  • Organizer: Conference on Lasers and Electro-Optics (CLEO) 2016
  • Place of Presentation: San Jose, CA, USA
  • Year and Date: 2016-06-05
  • Int'l Joint Research
• [Patent(Industrial Property Rights)] 光位相同期回路 (2016)
  • Inventor(s): 水鳥明、古賀正文
  • Industrial Property Rights Holder: 水鳥明、古賀正文
  • Industrial Property Rights Type: 特許
  • Industrial Property Number: 2016-208746
  • Filing Date: 2016-10-25