WO2008111223A1 - 光送信器 - Google Patents

光送信器 Download PDF

Info

Publication number
WO2008111223A1
WO2008111223A1 PCT/JP2007/055263 JP2007055263W WO2008111223A1 WO 2008111223 A1 WO2008111223 A1 WO 2008111223A1 JP 2007055263 W JP2007055263 W JP 2007055263W WO 2008111223 A1 WO2008111223 A1 WO 2008111223A1
Authority
WO
WIPO (PCT)
Prior art keywords
output side
maximum
signal
fluctuation width
high output
Prior art date
Application number
PCT/JP2007/055263
Other languages
English (en)
French (fr)
Inventor
Akira Nagayama
Kazuyoshi Shimizu
Original Assignee
Fujitsu Limited
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 Limited filed Critical Fujitsu Limited
Priority to PCT/JP2007/055263 priority Critical patent/WO2008111223A1/ja
Priority to JP2009503862A priority patent/JP4783852B2/ja
Publication of WO2008111223A1 publication Critical patent/WO2008111223A1/ja
Priority to US12/585,120 priority patent/US8145067B2/en

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 
    • G02F1/0121—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
    • H04B10/5057—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output
    • H04B10/50572—Laser transmitters using external modulation using a feedback signal generated by analysing the optical output to control the modulating signal amplitude including amplitude distortion
    • 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

Abstract

　光送信器１００は、光源部１０３から出力される光に低周波のパイロット信号を重畳し、パイロット信号が重畳された信号光を、入力された変調信号に応じて変調するＥＡ変調部１０６を備えており、ＥＡ変調部１０６から出力された信号光の高出力側の最大値（Ｖｐ）と、高出力側の最大値の変動幅（ＶＨ）と、低出力側の最小値の変動幅（ＶＬ）とを検出し、高出力側の最大値（Ｖｐ）を基にして、光変調器に入力する電気信号のバイアス電位を調整し、高出力側の最大値の変動幅（ＶＬ）と低出力側の最小値の変動幅（ＶＬ）とを基にしてＥＡ変調部１０６に入力する変調信号の振幅を調整する。
PCT/JP2007/055263 2007-03-15 2007-03-15 光送信器 WO2008111223A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2007/055263 WO2008111223A1 (ja) 2007-03-15 2007-03-15 光送信器
JP2009503862A JP4783852B2 (ja) 2007-03-15 2007-03-15 光送信器
US12/585,120 US8145067B2 (en) 2007-03-15 2009-09-03 Optical transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/055263 WO2008111223A1 (ja) 2007-03-15 2007-03-15 光送信器

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/585,120 Continuation US8145067B2 (en) 2007-03-15 2009-09-03 Optical transmitter

Publications (1)

Publication Number Publication Date
WO2008111223A1 true WO2008111223A1 (ja) 2008-09-18

Family

ID=39759171

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/055263 WO2008111223A1 (ja) 2007-03-15 2007-03-15 光送信器

Country Status (3)

Country Link
US (1) US8145067B2 (ja)
JP (1) JP4783852B2 (ja)
WO (1) WO2008111223A1 (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103399418A (zh) * 2013-07-23 2013-11-20 清华大学 补偿电吸收调制器非线性的方法及装置
JP2014228504A (ja) * 2013-05-27 2014-12-08 アンリツ株式会社 光サンプリング装置および光サンプリング方法
CN105612702A (zh) * 2014-03-31 2016-05-25 华为技术有限公司 控制导频信号调制深度的方法、发射机及导频锁定装置
CN107942541A (zh) * 2017-11-16 2018-04-20 无锡路通视信网络股份有限公司 一种铌酸锂调制器的驱动装置及其驱动方法
JPWO2019216150A1 (ja) * 2018-05-09 2021-01-14 三菱電機株式会社 光送信モジュールの調整検査システム、光送信モジュールの調整検査方法、および光送信モジュールの製造方法

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5359760B2 (ja) * 2009-10-09 2013-12-04 住友電気工業株式会社 光トランシーバ
CN101846814B (zh) * 2010-03-25 2013-05-08 中兴通讯股份有限公司 调制器的偏置点确定方法和装置
JP2012155019A (ja) * 2011-01-24 2012-08-16 Brother Ind Ltd 走査型画像表示装置
JP2013090292A (ja) * 2011-10-21 2013-05-13 Fujitsu Optical Components Ltd 光送信機、光送信方法、及び光送受信システム
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
TWI539763B (zh) * 2014-09-26 2016-06-21 財團法人工業技術研究院 光通訊裝置及其控制方法
JP6717082B2 (ja) * 2016-06-30 2020-07-01 富士通オプティカルコンポーネンツ株式会社 光送信モジュールおよび光送信モジュールの制御方法
US10530484B2 (en) * 2018-02-01 2020-01-07 Electrophotonic-Ic Inc. Integrated control loop for linearization and temperature compensation of an electro-absorption modulator
US10673532B2 (en) 2018-02-01 2020-06-02 Electrophotonic-Ic Inc. Electro-absorption modulator with integrated control loop for linearization and temperature compensation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10123471A (ja) * 1996-10-24 1998-05-15 Fujitsu Ltd 光送信機
JPH11305175A (ja) * 1998-04-27 1999-11-05 Oki Electric Ind Co Ltd 光送信器及び光伝送システム
JP2004061556A (ja) * 2002-07-24 2004-02-26 Fujitsu Ltd 電界吸収型光変調器を備えた半導体レーザモジュールの駆動回路および駆動方法
JP2006121368A (ja) * 2004-10-21 2006-05-11 Fujitsu Ltd 光送信装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000036794A (ja) * 1998-07-21 2000-02-02 Nec Corp 光伝送装置
JP3944344B2 (ja) * 2000-08-04 2007-07-11 日本オプネクスト株式会社 光送信器及び光伝送システム

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10123471A (ja) * 1996-10-24 1998-05-15 Fujitsu Ltd 光送信機
JPH11305175A (ja) * 1998-04-27 1999-11-05 Oki Electric Ind Co Ltd 光送信器及び光伝送システム
JP2004061556A (ja) * 2002-07-24 2004-02-26 Fujitsu Ltd 電界吸収型光変調器を備えた半導体レーザモジュールの駆動回路および駆動方法
JP2006121368A (ja) * 2004-10-21 2006-05-11 Fujitsu Ltd 光送信装置

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014228504A (ja) * 2013-05-27 2014-12-08 アンリツ株式会社 光サンプリング装置および光サンプリング方法
CN103399418A (zh) * 2013-07-23 2013-11-20 清华大学 补偿电吸收调制器非线性的方法及装置
CN105612702A (zh) * 2014-03-31 2016-05-25 华为技术有限公司 控制导频信号调制深度的方法、发射机及导频锁定装置
CN105612702B (zh) * 2014-03-31 2017-12-22 华为技术有限公司 控制导频信号调制深度的方法、发射机及导频锁定装置
US9941969B2 (en) 2014-03-31 2018-04-10 Huawei Technologies Co., Ltd. Method for controlling modulation depth of pilot signal, transmitter, and pilot locking apparatus
CN107942541A (zh) * 2017-11-16 2018-04-20 无锡路通视信网络股份有限公司 一种铌酸锂调制器的驱动装置及其驱动方法
JPWO2019216150A1 (ja) * 2018-05-09 2021-01-14 三菱電機株式会社 光送信モジュールの調整検査システム、光送信モジュールの調整検査方法、および光送信モジュールの製造方法
JP7118141B2 (ja) 2018-05-09 2022-08-15 三菱電機株式会社 光送信モジュールの調整検査システム、光送信モジュールの調整検査方法、および光送信モジュールの製造方法

Also Published As

Publication number Publication date
JPWO2008111223A1 (ja) 2010-06-24
JP4783852B2 (ja) 2011-09-28
US20090324252A1 (en) 2009-12-31
US8145067B2 (en) 2012-03-27

Similar Documents

Publication Publication Date Title
WO2008111223A1 (ja) 光送信器
TW200735550A (en) Directly modulated laser optical transmission system with phase modulation
WO2009129512A3 (en) System and method of modulating electrical signals using photoconductive wide bandgap semiconductors as variable resistors
US7215894B2 (en) Optical transmitter device
EP2813815A3 (en) Systems and methods for sideband heterodyning detection
CN101006381A (zh) 用于光学调制器的自动偏置控制
US20040190910A1 (en) Control apparatus and control method for optical modulator
JP2007235925A5 (ja)
EP1845624A4 (en) TRANSMITTER AND RADIO TRANSMISSION DEVICE
WO2019147327A3 (en) Am/fm seed for nonlinear spectrally compressed fiber amplifier
US6317249B1 (en) Optical modulator outputting an optical signal with a drive voltage signal dependent upon an input signal
JP2014103594A (ja) 光送信装置、光送信方法、および光送信プログラム
EP1324102A2 (en) Optical modulation system applying a highly stable bias voltage to an optical modulator
WO2011090575A3 (en) Optical modulator using a dual output laser embedded in a mach zehnder interferometer
US7630651B2 (en) Method and apparatus for controlling bias point of optical transmitter
WO2007078685A3 (en) Optical transmitter with enhanced sbs threshold power capability
US20010030791A1 (en) Optical transmitter
JP4935093B2 (ja) 光変調装置
JP2004191979A (ja) マッハツェンダ変調器を用いた光ｃｒｚ送信装置
WO2009019573A8 (en) Electrically controlled optical oscillator for a single-side-subcarrier optical phase-locked loop
WO2009037603A3 (en) Polar modulation based transmitter with switching mode power amplifiers
WO2012050363A3 (ko) 레이저 시스템에서 버스트 발진 방법 및 이를 위한 장치
JPH08248366A (ja) 光送信器
CN101884004B (zh) 外部调制器的控制设备和方法
JP6813528B2 (ja) 光変調器

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07738713

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2009503862

Country of ref document: JP

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 07738713

Country of ref document: EP

Kind code of ref document: A1