DE602005009674D1 - Optische Sendervorrichtung, optische Empfangsvorrichtung und diese enthaltendes Kommunikationssystem - Google Patents

Optische Sendervorrichtung, optische Empfangsvorrichtung und diese enthaltendes Kommunikationssystem

Info

Publication number
DE602005009674D1
DE602005009674D1 DE602005009674T DE602005009674T DE602005009674D1 DE 602005009674 D1 DE602005009674 D1 DE 602005009674D1 DE 602005009674 T DE602005009674 T DE 602005009674T DE 602005009674 T DE602005009674 T DE 602005009674T DE 602005009674 D1 DE602005009674 D1 DE 602005009674D1
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DE
Germany
Prior art keywords
communication system
optical
same
system containing
receiving device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
DE602005009674T
Other languages
English (en)
Inventor
Yuichi Akiyama
Takeshi Hoshida
Akira Miura
Yutaka Kai
Hiroki Ooi
Jens C Rasmussen
Kentaro Nakamura
Naoki Kuwata
Yoshinori Nishizawa
Tomoo Takahara
Masahiro Yuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of DE602005009674D1 publication Critical patent/DE602005009674D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference
    • G02F1/225—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference in an optical waveguide structure
    • G02F1/2255—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference in an optical waveguide structure controlled by a high-frequency electromagnetic component in an electric waveguide structure
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/0121—Operation of devices; Circuit arrangements, not otherwise provided for in this subclass
    • G02F1/0123—Circuits for the control or stabilisation of the bias voltage, e.g. automatic bias control [ABC] feedback loops
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5051—Laser transmitters using external modulation using a series, i.e. cascade, combination of modulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5053—Laser transmitters using external modulation using a parallel, i.e. shunt, combination of modulators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5057—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output
    • H04B10/50575—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output to control the modulator DC bias
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5057—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output
    • H04B10/50577—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output to control the phase of the modulating signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5059—Laser transmitters using external modulation using a feed-forward signal generated by analysing the optical or electrical input
    • H04B10/50595—Laser transmitters using external modulation using a feed-forward signal generated by analysing the optical or electrical input to control the modulator DC bias
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/516—Details of coding or modulation
    • H04B10/5162—Return-to-zero modulation schemes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/516—Details of coding or modulation
    • H04B10/5165—Carrier suppressed; Single sideband; Double sideband or vestigial
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50—Transmitters
    • H04B10/516—Details of coding or modulation
    • H04B10/548—Phase or frequency modulation
    • H04B10/556—Digital modulation, e.g. differential phase shift keying [DPSK] or frequency shift keying [FSK]
    • H04B10/5561—Digital phase modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H04B10/67—Optical arrangements in the receiver
    • H04B10/676—Optical arrangements in the receiver for all-optical demodulation of the input optical signal
    • H04B10/677—Optical arrangements in the receiver for all-optical demodulation of the input optical signal for differentially modulated signal, e.g. DPSK signals

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
DE602005009674T 2005-05-23 2005-12-29 Optische Sendervorrichtung, optische Empfangsvorrichtung und diese enthaltendes Kommunikationssystem Active DE602005009674D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005150219 2005-05-23
JP2005192971 2005-06-30
JP2005293039A JP4922594B2 (ja) 2005-05-23 2005-10-05 光送信装置、光受信装置、およびそれらを含む光通信システム

Publications (1)

Publication Number Publication Date
DE602005009674D1 true DE602005009674D1 (de) 2008-10-23

Family

ID=36875417

Family Applications (2)

Application Number Title Priority Date Filing Date
DE602005017928T Active DE602005017928D1 (de) 2005-05-23 2005-12-29 Optische Empfangsvorrichtung und optisches Kommunikationssystem damit
DE602005009674T Active DE602005009674D1 (de) 2005-05-23 2005-12-29 Optische Sendervorrichtung, optische Empfangsvorrichtung und diese enthaltendes Kommunikationssystem

Family Applications Before (1)

Application Number Title Priority Date Filing Date
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Country Status (5)

Country Link
US (2) US7817923B2 (de)
EP (7) EP2114025B1 (de)
JP (1) JP4922594B2 (de)
CN (4) CN102832991A (de)
DE (2) DE602005017928D1 (de)

Families Citing this family (147)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3232052B2 (ja) * 1997-10-31 2001-11-26 松下電器産業株式会社 画像復号化方法
JP4922594B2 (ja) * 2005-05-23 2012-04-25 富士通株式会社 光送信装置、光受信装置、およびそれらを含む光通信システム
JP4631006B2 (ja) * 2005-08-24 2011-02-16 独立行政法人情報通信研究機構 Ｆｓｋ変調器の自動調整システム
CA2620836A1 (en) * 2005-08-24 2007-03-01 Mintera Corporation Method and apparatus for control of dpsk and dqpsk receivers and transmitters
JP4884750B2 (ja) * 2005-11-10 2012-02-29 三菱電機株式会社 光変調器およびそのバイアス制御方法
JP2007163941A (ja) * 2005-12-15 2007-06-28 Nippon Telegr & Teleph Corp <Ntt> ４相位相変調回路
CN101371469A (zh) * 2006-01-13 2009-02-18 松下电器产业株式会社 角度调制装置
JP4935093B2 (ja) * 2006-02-02 2012-05-23 横河電機株式会社 光変調装置
US7760343B2 (en) * 2006-04-05 2010-07-20 Photonic Systems, Inc. Method and apparatus for determining frequency-dependent Vπ of a Mach-Zehnder optical modulator
US7877020B1 (en) * 2006-04-28 2011-01-25 Hrl Laboratories, Llc Coherent RF-photonic link linearized via a negative feedback phase-tracking loop
JP5055968B2 (ja) * 2006-11-14 2012-10-24 富士通株式会社 差動４位相偏移変調器
US8582981B2 (en) * 2007-01-15 2013-11-12 Fujitsu Limited Optical transmitter and control method therefor
JP4522417B2 (ja) * 2007-01-15 2010-08-11 富士通株式会社 光変調装置および光変調方法
US7912378B2 (en) * 2007-01-26 2011-03-22 Fujitsu Limited Modulating a signal using a fractional phase modulator
JP5158859B2 (ja) * 2007-03-06 2013-03-06 古河電気工業株式会社 遅延復調デバイスおよびその位相調整方法
JP5211528B2 (ja) * 2007-03-29 2013-06-12 富士通株式会社 光変調装置および光変調方式切替方法
JP4888313B2 (ja) * 2007-09-28 2012-02-29 富士通株式会社 光変調装置
JP4893570B2 (ja) 2007-09-28 2012-03-07 富士通株式会社 多値光位相変調器
JP5012457B2 (ja) 2007-11-30 2012-08-29 富士通株式会社 Ｄｑｐｓｋ光受信装置
JP4946833B2 (ja) * 2007-11-30 2012-06-06 富士通オプティカルコンポーネンツ株式会社 光変調装置
MX2007016078A (es) * 2007-12-14 2009-06-15 Itesm Modulador y demodulador para un formato de modulación óptico diferencial con ocho cambios de fase.
JP5303951B2 (ja) * 2008-02-12 2013-10-02 日本電気株式会社 光変調器および光変調方法
TW200937092A (en) * 2008-02-22 2009-09-01 Univ Nat Chiao Tung Photoelectric modulation device generating optical signal of frequency multiplication and modulation method thereof
JP5104963B2 (ja) * 2008-02-26 2012-12-19 日本電気株式会社 光通信システムにおいて復調器を設定し制御する方法及びシステム
US20090226186A1 (en) * 2008-03-05 2009-09-10 Roman Jose E Optical phase-shift-keying demodulator bias control method
EP2099186A1 (de) 2008-03-06 2009-09-09 CoreOptics Inc. Phasenregelkreis und Verfahren für optische Empfänger
JP2009253598A (ja) * 2008-04-04 2009-10-29 Fujitsu Ltd 位相変調信号受信装置
JP5163254B2 (ja) * 2008-04-18 2013-03-13 富士通株式会社 光送信装置および光送信装置の制御方法
JP5025565B2 (ja) * 2008-05-30 2012-09-12 株式会社アドバンテスト 光信号ビットレート調整装置、光信号発生装置、光試験装置、光信号ビットレート調整方法およびプログラム、記録媒体
CN101610115A (zh) * 2008-06-20 2009-12-23 华为技术有限公司 光信号的产生方法及装置
CN102067486B (zh) 2008-07-08 2014-09-24 日本电气株式会社 用于设置xpsk发送机的相位调制的定时的方法和***
TWI382684B (zh) * 2008-11-07 2013-01-11 Univ Nat Chiao Tung Dual Service Fiber Capture System
TWI396033B (zh) * 2008-11-07 2013-05-11 Univ Nat Chiao Tung Multi - frequency electrical signal of the photoelectric device
EP2146445A1 (de) * 2008-07-15 2010-01-20 Alcatel, Lucent Optischer DQPSK-Empfänger mit Phasenversatzausgleich der Verzögerung von Leitungsinterferometern
JP2010028741A (ja) * 2008-07-24 2010-02-04 Yokogawa Electric Corp 光送信装置
CN101634759B (zh) * 2008-07-25 2012-07-04 华为技术有限公司 一种控制光调制器的偏置电压的方法及相关装置
JP4561925B2 (ja) * 2008-07-25 2010-10-13 沖電気工業株式会社 光時分割多重差動位相変調信号生成装置
CN101354515B (zh) * 2008-09-05 2012-04-04 中兴通讯股份有限公司 激光调制器偏置控制方法和装置
US8238014B2 (en) * 2008-09-08 2012-08-07 Luxtera Inc. Method and circuit for encoding multi-level pulse amplitude modulated signals using integrated optoelectronic devices
JP2010066663A (ja) * 2008-09-12 2010-03-25 Fujitsu Ltd 光デバイスおよび光送信装置
EP2324390A1 (de) * 2008-09-18 2011-05-25 Selex Sistemi Integrati S.P.A. Faseroptischer transponder mit schaltbaren verzögerungen mit optischer erzeugung von dopplerverschiebung
JP5476697B2 (ja) 2008-09-26 2014-04-23 富士通株式会社 光信号送信装置
JP2010130323A (ja) * 2008-11-27 2010-06-10 Yokogawa Electric Corp 光伝送装置
JP5246274B2 (ja) * 2009-01-30 2013-07-24 富士通オプティカルコンポーネンツ株式会社 光受信装置およびその制御方法
US8072669B2 (en) * 2009-09-02 2011-12-06 At&T Intellectual Property I, L.P. Methods and apparatus for generating 16-QAM-modulated optical signal
JP5040944B2 (ja) * 2009-03-18 2012-10-03 住友大阪セメント株式会社 光変調器
JP4975775B2 (ja) * 2009-04-09 2012-07-11 日本電信電話株式会社 送信器、及び送信方法
JP5215934B2 (ja) * 2009-05-14 2013-06-19 日本オクラロ株式会社 光変調装置、光変調装置の制御方法および光送信器
US8873970B2 (en) * 2009-06-02 2014-10-28 Nec Laboratories America, Inc. Generating a 400-Gbit/s single-channel optical signal
JP5420977B2 (ja) * 2009-06-08 2014-02-19 日本オクラロ株式会社 光受信器
WO2011004615A1 (ja) * 2009-07-10 2011-01-13 日本電信電話株式会社 光変調器
JP2011022479A (ja) 2009-07-17 2011-02-03 Mitsubishi Electric Corp 多値光送信器
US9020361B2 (en) 2009-09-08 2015-04-28 Nippon Telegraph And Telephone Corporation Optical signal transmitter, and bias voltage control method
JP2011075913A (ja) * 2009-09-30 2011-04-14 Sumitomo Osaka Cement Co Ltd 光変調器のバイアス制御方法
US8077375B2 (en) * 2009-11-11 2011-12-13 At&T Intellectual Property I, L.P. Method and apparatus for generating 8-QAM-modulated optical signal
US8364033B2 (en) * 2009-12-08 2013-01-29 Telcordia Technologies, Inc. Differential eye diagrams
TWI406513B (zh) * 2010-01-08 2013-08-21 Ind Tech Res Inst 訊號傳送系統及方法
JP5530205B2 (ja) 2010-02-01 2014-06-25 日本オクラロ株式会社 干渉計、復調器及び光通信モジュール
JP5484556B2 (ja) * 2010-02-22 2014-05-07 三菱電機株式会社 光送信機
WO2011104838A1 (ja) * 2010-02-25 2011-09-01 三菱電機株式会社 光送信器
JP5757557B2 (ja) * 2010-02-26 2015-07-29 国立研究開発法人情報通信研究機構 バイアス点調整が可能な複数のマッハツェンダー構造を有する光変調器
JP5482351B2 (ja) * 2010-03-19 2014-05-07 富士通株式会社 光変調装置及び光変調方法
JP5263205B2 (ja) * 2010-03-19 2013-08-14 富士通株式会社 光変調装置及び光変調方法
JP5604983B2 (ja) * 2010-05-26 2014-10-15 富士通株式会社 光送信器及び光送信器制御方法
CN101909029B (zh) * 2010-07-14 2015-01-28 中兴通讯股份有限公司 Dqpsk调制器偏置点的控制方法和***
JP5853386B2 (ja) * 2010-12-16 2016-02-09 富士通オプティカルコンポーネンツ株式会社 光変調装置および光変調制御方法
JP5682633B2 (ja) * 2011-01-31 2015-03-11 富士通株式会社 光送信器および光信号送信方法
KR20120099171A (ko) * 2011-02-10 2012-09-07 한국전자통신연구원 광신호 제어 장치와 그 방법 및 광신호 제어 장치를 구비하는 광신호 생성 장치
JP5736837B2 (ja) * 2011-02-23 2015-06-17 富士通株式会社 光受信装置
WO2012144082A1 (en) * 2011-04-19 2012-10-26 Nec Corporation Optical transmitter and method for controlling the same
JPWO2012147324A1 (ja) * 2011-04-28 2014-07-28 日本電気株式会社 光周波数変換方法および装置
US8606114B2 (en) 2011-05-17 2013-12-10 Oclaro Technology Limited Alignment of a data signal to an alignment signal
JP5946312B2 (ja) * 2011-05-23 2016-07-06 日本オクラロ株式会社 光出力モジュール、光送受信機、及び光伝送システム
JP5874202B2 (ja) * 2011-05-30 2016-03-02 富士通株式会社 光送信装置、その制御方法、及び光伝送システム
US9069193B2 (en) * 2011-06-01 2015-06-30 Nec Corporation Optical waveguide device, optical interferometer, and method for producing optical waveguide device
GB2493499B (en) * 2011-07-18 2018-02-28 Oclaro Tech Ltd Loop control gain control for an optical modulator
JP5670273B2 (ja) * 2011-07-20 2015-02-18 日本電信電話株式会社 光送信装置
DE102011111114A1 (de) * 2011-08-19 2013-02-21 Deutsches Elektronen-Synchrotron Desy System und Verfahren zum Erzeugen eines Synchronisationssteuersignals
WO2013042753A1 (ja) * 2011-09-23 2013-03-28 日本電気株式会社 光変調器モジュール及び光信号の変調方法
JP6048410B2 (ja) * 2011-09-30 2016-12-21 住友大阪セメント株式会社 キャリア抑圧光発生装置
WO2013085836A1 (en) * 2011-12-09 2013-06-13 Battelle Memorial Institute Optically implemented mmw modulation
JP5845872B2 (ja) * 2011-12-13 2016-01-20 富士通オプティカルコンポーネンツ株式会社 光送信器
JP5891768B2 (ja) * 2011-12-16 2016-03-23 富士通オプティカルコンポーネンツ株式会社 光変調装置及び光変調方法
US8849129B2 (en) * 2012-07-20 2014-09-30 Finisar Corporation Method and apparatus for stabilization of optical transmitter
JP6379091B2 (ja) * 2012-08-06 2018-08-22 スコーピオズ テクノロジーズ インコーポレイテッド Ｒｆ信号の監視及び制御のための回路のモノリシック集積化のための方法及びシステム
US8948608B1 (en) * 2012-09-27 2015-02-03 Inphi Corporation Direct-coupled driver for mach-zehnder optical modulators
JP5304938B2 (ja) * 2012-10-01 2013-10-02 日本電気株式会社 光変調器および光変調方法
JP6031963B2 (ja) * 2012-11-21 2016-11-24 富士通株式会社 光送信装置、光送信方法、および光送信プログラム
JP6062240B2 (ja) * 2012-12-27 2017-01-18 Ｎｔｔエレクトロニクス株式会社 Ｑｐｓｋ復調回路及びｑｐｓｋ復調方法
JP6003687B2 (ja) * 2013-01-31 2016-10-05 富士通株式会社 光送信装置および変調光信号生成方法
US9344194B2 (en) * 2013-02-21 2016-05-17 Fujitsu Limited System and method for monitoring and control of an optical modulator for an M-QAM transmitter
WO2015140610A1 (en) * 2014-03-20 2015-09-24 Ariel-University Research And Development Company Ltd. Method and system for controlling phase of a signal
USD755240S1 (en) 2013-06-09 2016-05-03 Apple Inc. Display screen or portion thereof with graphical user interface
USD819649S1 (en) 2013-06-09 2018-06-05 Apple Inc. Display screen or portion thereof with graphical user interface
USD744529S1 (en) * 2013-06-09 2015-12-01 Apple Inc. Display screen or portion thereof with icon
USD746831S1 (en) 2013-09-10 2016-01-05 Apple Inc. Display screen or portion thereof with graphical user interface
CN104734778B (zh) * 2013-12-20 2018-01-30 ***通信集团公司 一种数据信号和监测信号的发送、接收方法及装置
US9853737B2 (en) 2014-02-05 2017-12-26 Acacia Communications, Inc. Bias control of nested Mach-Zehnder modulators for the generation of optical QAM signals
CN103837166B (zh) * 2014-03-03 2016-01-20 中国人民解放军国防科学技术大学 光程差匹配的远程光纤干涉***相位噪声抑制方法与装置
JP6446803B2 (ja) * 2014-03-25 2019-01-09 日本電気株式会社 光送受信器
US9160579B1 (en) * 2014-03-26 2015-10-13 Nokia Solutions And Networks Oy Low PAPR modulation for coverage enhancement
USD753696S1 (en) 2014-09-01 2016-04-12 Apple Inc. Display screen or portion thereof with graphical user interface
USD765114S1 (en) 2014-09-02 2016-08-30 Apple Inc. Display screen or portion thereof with graphical user interface
USD753697S1 (en) 2014-09-02 2016-04-12 Apple Inc. Display screen or portion thereof with graphical user interface
USD763285S1 (en) 2014-09-02 2016-08-09 Apple Inc. Display screen or portion thereof with graphical user interface
EP3029783B1 (de) * 2014-12-01 2020-03-04 Huawei Technologies Co., Ltd. Mehrkanaliger abstimmbarer Laser
JP6354553B2 (ja) * 2014-12-02 2018-07-11 住友電気工業株式会社 バイアス制御回路およびそれを含む光送信器
WO2016103633A1 (ja) * 2014-12-24 2016-06-30 日本電気株式会社 光送信機及び光送信機の制御方法
USD784361S1 (en) 2015-03-03 2017-04-18 Ricoh Company, Ltd. Portion of display screen with animated graphical user interface
EP3269102B1 (de) * 2015-03-12 2018-09-19 Telefonaktiebolaget LM Ericsson (publ) Mehrpunktübertragung und -empfang in einem funkkommunikationsnetz
EP3265870B1 (de) 2015-05-27 2021-10-06 Hewlett Packard Enterprise Development LP Bias-basierte mach-zehnder-modulationssysteme
USD803233S1 (en) 2015-08-14 2017-11-21 Sonos, Inc. Display device with animated graphical user interface element
CN108139616B (zh) * 2015-09-28 2021-02-09 日本电气株式会社 光调制器、光发射器及光调制方法
WO2017060908A1 (en) 2015-10-08 2017-04-13 Ariel-University Research And Development Company Ltd. Method and system for controlling phase of a signal
USD773515S1 (en) 2015-11-18 2016-12-06 Domo, Inc. Display screen or portion thereof with a graphical user interface
USD803239S1 (en) * 2016-02-19 2017-11-21 Samsung Electronics Co., Ltd. Display screen or portion thereof with graphical user interface
US20170250755A1 (en) * 2016-02-29 2017-08-31 Renesas Electronics Corporation Semiconductor device
US9705592B1 (en) * 2016-04-05 2017-07-11 Infinera Corporation In-service skew monitoring in a nested Mach-Zehnder modulator structure using pilot signals and balanced phase detection
JP6648617B2 (ja) * 2016-04-12 2020-02-14 住友電気工業株式会社 光送信器
USD804502S1 (en) 2016-06-11 2017-12-05 Apple Inc. Display screen or portion thereof with graphical user interface
CN107547140A (zh) * 2016-06-28 2018-01-05 中兴通讯股份有限公司 一种光解调器偏置点的控制方法及装置
CN105933071A (zh) * 2016-06-28 2016-09-07 广东工业大学 一种产生多种倍频毫米波的方法和装置
JP2018025610A (ja) * 2016-08-08 2018-02-15 住友電気工業株式会社 光変調装置
CN106301554B (zh) * 2016-08-31 2019-01-22 武汉光迅科技股份有限公司 一种并联mzi电光调制器工作点电压的调试方法及调试装置
US12001115B2 (en) 2017-03-17 2024-06-04 Rockley Phonics Limited Optical modulator and method of use
CN109643030B (zh) * 2017-03-17 2023-12-15 洛克利光子有限公司 光学调制器及使用方法
CN108732426B (zh) * 2017-04-20 2020-11-03 富士通株式会社 相移器的相移特性的估计装置、方法以及测试设备
US10551714B2 (en) * 2017-05-17 2020-02-04 Finisar Sweden Ab Optical device
US10162244B1 (en) * 2017-06-27 2018-12-25 Taiwan Semiconductor Manufacturing Company, Ltd. Configurable heating device
JP6829700B2 (ja) * 2018-03-02 2021-02-10 日本電信電話株式会社 光信号処理装置
CN108494494B (zh) * 2018-03-28 2020-06-26 忻州师范学院 实时锁定单光子相位的方法
USD898078S1 (en) * 2018-10-26 2020-10-06 Salesforce.Com, Inc. Display screen or portion thereof with graphical user interface
USD898079S1 (en) * 2018-10-26 2020-10-06 Salesforce.Com, Inc. Display screen or portion thereof with animated graphical user interface
CN112970210B (zh) * 2018-11-24 2022-07-22 华为技术有限公司 偏振处理装置、光收发机和光偏振处理的方法
CN109581701A (zh) * 2018-12-12 2019-04-05 北京中创为量子通信技术有限公司 一种光强度调制的实时维稳***及方法
CN111857207B (zh) * 2019-04-25 2022-04-22 科大国盾量子技术股份有限公司 一种量子密钥分发强度调制器的电压反馈方法
CN110391852A (zh) * 2019-07-16 2019-10-29 惠州市蓝微电子有限公司 一种二进制编码数据传输方法及***
USD924912S1 (en) 2019-09-09 2021-07-13 Apple Inc. Display screen or portion thereof with graphical user interface
CN110707520B (zh) * 2019-09-20 2021-01-08 武汉光迅科技股份有限公司 一种直调激光器的驱动电路和直调光发射机
CN110609400A (zh) * 2019-10-23 2019-12-24 广西师范大学 一种高集成度的电光调制器及电光调制方法
CN113541932B (zh) * 2020-04-22 2023-11-03 山东国迅量子芯科技有限公司 提升偏振对比度的偏振调制器、方法及量子密钥分发***
USD946029S1 (en) * 2020-10-19 2022-03-15 Splunk Inc. Display screen or portion thereof having a graphical user interface for a process control editor
USD946032S1 (en) * 2020-10-19 2022-03-15 Splunk Inc. Display screen or portion thereof having a graphical user interface for a process control editor
JP2022107112A (ja) * 2021-01-08 2022-07-21 富士通オプティカルコンポーネンツ株式会社 光送信器及びその制御方法
US20220365376A1 (en) * 2021-05-17 2022-11-17 Lionix International Bv Integrated-Optics-Based Composite Phase Controller Operative for Thermal-Based and Stress-Based Phase Tuning of a Surface Waveguide
CN113281945A (zh) * 2021-06-22 2021-08-20 北京世维通科技股份有限公司 Mz型光强度调制器总成及制备方法
JP2023051413A (ja) * 2021-09-30 2023-04-11 富士通オプティカルコンポーネンツ株式会社 光コヒーレント送受信機及び光変調器の消光方法

Family Cites Families (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0202773B1 (de) * 1985-04-22 1991-01-16 Csk Corporation Binäres Kodierverfahren für Daten, welche von einer optischen Platte gelesen werden und Gerät dafür
DE69127840T2 (de) * 1990-03-01 1998-03-05 Fujitsu Ltd Optischer Sender
JP2642499B2 (ja) 1990-03-01 1997-08-20 富士通株式会社 光送信器、光変調器の制御回路および光変調方法
SE469458B (sv) * 1991-12-20 1993-07-05 Ericsson Telefon Ab L M Foerfarande foer att linearisera en oeverfoeringsfunktion
JP3210061B2 (ja) 1992-03-19 2001-09-17 富士通株式会社 光干渉器の動作点安定化装置
US5321543A (en) * 1992-10-20 1994-06-14 General Instrument Corporation Apparatus and method for linearizing an external optical modulator
JP3490486B2 (ja) * 1993-12-28 2004-01-26 富士通株式会社 光変調器
JP3846918B2 (ja) * 1994-08-02 2006-11-15 富士通株式会社 光伝送システム、光多重伝送システム及びその周辺技術
US5532857A (en) * 1994-09-07 1996-07-02 Ael Industries, Inc. Wide dynamic range optical link using DSSC linearizer
JP4086912B2 (ja) * 1995-09-11 2008-05-14 富士通株式会社 光変調器の制御装置
JP3547906B2 (ja) 1996-06-18 2004-07-28 株式会社東芝 半導体集積回路装置
JP3027944B2 (ja) * 1996-08-16 2000-04-04 日本電気株式会社 光デュオバイナリ信号光の生成方法および光送信装置
JPH1079705A (ja) * 1996-09-03 1998-03-24 Fujitsu Ltd 光変調装置及び光変調方法
JP3742477B2 (ja) 1997-02-17 2006-02-01 富士通株式会社 光変調器
JP3723358B2 (ja) * 1998-11-25 2005-12-07 富士通株式会社 光変調装置及び光変調器の制御方法
US6396605B1 (en) * 1999-01-26 2002-05-28 Trw Inc. Apparatus and method for tuning an optical interferometer
JP4577945B2 (ja) 1999-05-19 2010-11-10 パナソニック株式会社 角度変調装置
US6211996B1 (en) 1999-05-19 2001-04-03 Matsushita Electric Industrial Co., Ltd. Angle modulator
JP2001027746A (ja) 1999-07-14 2001-01-30 Mitsubishi Electric Corp 光送信装置および光・電気回路
US6510255B2 (en) * 1999-12-24 2003-01-21 Matsushita Electric Industrial Co., Ltd. Optical transmission apparatus
JP2001244896A (ja) 1999-12-24 2001-09-07 Matsushita Electric Ind Co Ltd 光送信装置
CN1435019A (zh) * 1999-12-24 2003-08-06 康宁O.T.I股份公司 模拟调制法和应用该方法的光学发射器
JP2002023122A (ja) * 2000-06-30 2002-01-23 Mitsubishi Electric Corp 光送信装置およびこれに用いる光変調器のバイアス電圧制御方法
JP4108254B2 (ja) 2000-07-11 2008-06-25 富士通株式会社 光送信器および光伝送システム
US6807372B1 (en) * 2000-07-14 2004-10-19 University Of Maryland Integrated spectral encoder/decoder for optical CDMA communication system
JP2004511128A (ja) 2000-09-26 2004-04-08 セライト、インコーポレーテッド 符号分割多重光通信のためのシステム及び方法
SE516164C2 (sv) * 2000-09-29 2001-11-26 Transmode Systems Ab Sändarkrets innefattande en ljuskälla, och ett kommunikationssystem
GB2370473B (en) * 2000-12-21 2004-04-07 Marconi Caswell Ltd Improvements in or relating to optical communication
GB2383705B (en) * 2001-11-30 2005-03-30 Marconi Optical Components Ltd Optical coding system
GB2383706B (en) * 2001-11-30 2005-03-30 Marconi Optical Components Ltd Modulation control
US6782163B2 (en) * 2002-01-22 2004-08-24 Lucent Technologies Inc. Waveguide grating arrangement using a segmented reflector
US7260330B2 (en) * 2002-11-04 2007-08-21 The Boeing Company Optical communication system using correlation receiver
US7515834B2 (en) * 2003-03-22 2009-04-07 Fujitsu Limited Upgraded optical communication system with increased transmission capacity and method
JP4083657B2 (ja) 2003-03-28 2008-04-30 住友大阪セメント株式会社 光変調器のバイアス制御方法及びその装置
US7603045B2 (en) * 2003-08-28 2009-10-13 Fujitsu Limited Method and system for automatic feedback control for fine tuning a delay interferometer
KR100546376B1 (ko) 2003-09-05 2006-01-26 삼성전자주식회사 반도체 광 증폭기의 ｘｐｍ 현상을 이용한 마하 젠더간섭계형 파장 변환기에서 최대 소광비를 출력하는 위상최적화 장치 및 방법
US7266306B1 (en) * 2003-10-03 2007-09-04 Nortel Networks Limited Method for optical carrier suppression and quadrature control
DE10349736A1 (de) 2003-10-23 2005-06-09 Lucent Technologies Network Systems Gmbh Feedback-Regelung eines Interferometers
EP1528697A1 (de) * 2003-10-30 2005-05-04 Alcatel Optischer Sender mittels RZ-DPSK Modulation
DE60306939T2 (de) * 2003-11-25 2007-01-04 Alcatel Modifiziertes DPSK optisches Übertragungssystem
JP3867148B2 (ja) 2004-03-16 2007-01-10 独立行政法人情報通信研究機構 光ｓｓｂ変調器又は光ｆｓｋ変調器のバイアス調整方法
CN1771679B (zh) * 2004-03-17 2010-05-26 日本电信电话株式会社 光传输***、光传输***的光发送装置及光接收装置
US20060088321A1 (en) * 2004-10-25 2006-04-27 Cheung Peter Y Closed loop RZ-DPSK alignment for optical communications
US7477852B2 (en) * 2005-01-31 2009-01-13 Alcatel-Lucent Usa Inc. Optical receiver apparatus and method
US7389055B1 (en) * 2005-03-17 2008-06-17 Nortel Networks Limited DQPSK receiver phase control
JP4922594B2 (ja) * 2005-05-23 2012-04-25 富士通株式会社 光送信装置、光受信装置、およびそれらを含む光通信システム

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