WO2011100929A3 - 光调制方法和系统 - Google Patents

光调制方法和系统 Download PDF

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Publication number
WO2011100929A3
WO2011100929A3 PCT/CN2011/072799 CN2011072799W WO2011100929A3 WO 2011100929 A3 WO2011100929 A3 WO 2011100929A3 CN 2011072799 W CN2011072799 W CN 2011072799W WO 2011100929 A3 WO2011100929 A3 WO 2011100929A3
Authority
WO
WIPO (PCT)
Prior art keywords
signal
added
disturbance
modulation
disturbance signal
Prior art date
Application number
PCT/CN2011/072799
Other languages
English (en)
French (fr)
Other versions
WO2011100929A2 (zh
Inventor
齐鸣
熊伟
张迪煊
吴双元
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN2011800003019A priority Critical patent/CN102834770A/zh
Priority to EP11744287A priority patent/EP2495607A4/en
Priority to PCT/CN2011/072799 priority patent/WO2011100929A2/zh
Publication of WO2011100929A2 publication Critical patent/WO2011100929A2/zh
Publication of WO2011100929A3 publication Critical patent/WO2011100929A3/zh
Priority to US13/526,224 priority patent/US20120294627A1/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
    • 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
    • G02F1/212—Mach-Zehnder type
    • 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
    • G02F2203/00—Function characteristic
    • G02F2203/21—Thermal instability, i.e. DC drift, of an optical modulator; Arrangements or methods for the reduction thereof

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)

Abstract

本发明提供一种光调制方法和系统。该方法包括以下步骤：在输入的数据信号的幅度上加载第一扰动信号；在偏置电压上加载第二扰动信号；根据加载第二扰动信号的偏置电压，将幅度上加载第一扰动信号的数据信号加载在输入光信号上，得到调制信号；以及将所述调制信号作为输出光信号输出，其中所述第一扰动信号与所述第二扰动信号为同频同相的信号，且幅度之比根据跟踪误差确定，以使得根据所述调制信号得到的反馈信号锁定到所需的偏置点。本发明实施例可以提高锁定准确度。
PCT/CN2011/072799 2011-04-14 2011-04-14 光调制方法和系统 WO2011100929A2 (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN2011800003019A CN102834770A (zh) 2011-04-14 2011-04-14 光调制方法和系统
EP11744287A EP2495607A4 (en) 2011-04-14 2011-04-14 METHOD AND SYSTEM FOR OPTICAL MODULATION
PCT/CN2011/072799 WO2011100929A2 (zh) 2011-04-14 2011-04-14 光调制方法和系统
US13/526,224 US20120294627A1 (en) 2011-04-14 2012-06-18 Optical modulation method and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/072799 WO2011100929A2 (zh) 2011-04-14 2011-04-14 光调制方法和系统

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/526,224 Continuation US20120294627A1 (en) 2011-04-14 2012-06-18 Optical modulation method and system

Publications (2)

Publication Number Publication Date
WO2011100929A2 WO2011100929A2 (zh) 2011-08-25
WO2011100929A3 true WO2011100929A3 (zh) 2012-03-29

Family

ID=44483399

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2011/072799 WO2011100929A2 (zh) 2011-04-14 2011-04-14 光调制方法和系统

Country Status (4)

Country Link
US (1) US20120294627A1 (zh)
EP (1) EP2495607A4 (zh)
CN (1) CN102834770A (zh)
WO (1) WO2011100929A2 (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1971036A1 (en) * 2007-03-14 2008-09-17 Dtu A method and a device for detection of a first signal superimposed on a second signal
EP3036868B1 (en) 2013-08-19 2020-10-14 ARRIS Enterprises LLC Fiber-optic node with forward data content driven power consumption
CN104734784B (zh) * 2013-12-19 2017-12-22 华为技术有限公司 一种确定输入光功率的方法和设备
US10914968B2 (en) * 2016-03-24 2021-02-09 Huawei Technologies Canada Co., Ltd. Photonic elements driven by common electrical driver
US10042190B2 (en) * 2016-06-10 2018-08-07 Futurewei Technologies, Inc. Second order detection of two orthogonal dithers for I/Q modulator bias control
CN112769492A (zh) * 2019-10-21 2021-05-07 富士通株式会社 监控直流偏置抖动信号的调制深度的方法、装置和光发射机

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2517183Y (zh) * 2001-11-27 2002-10-16 华为技术有限公司 光通信系统中的光信号调制装置
US20050105917A1 (en) * 2003-11-14 2005-05-19 Hidehiko Narusawa Optical modulating apparatus
CN101026417A (zh) * 2006-02-20 2007-08-29 华为技术有限公司 激光调制器数字自动偏置电压控制设备
CN101350674A (zh) * 2007-07-16 2009-01-21 华为技术有限公司 一种相位调整的方法、装置及光调制器
WO2010056905A1 (en) * 2008-11-12 2010-05-20 Lockheed Martin Corporation Bias control apparatus and method for optical modulator

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7394992B2 (en) * 2002-03-15 2008-07-01 Mintera Corporation Control of an optical modulator for desired biasing of data and pulse modulators

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2517183Y (zh) * 2001-11-27 2002-10-16 华为技术有限公司 光通信系统中的光信号调制装置
US20050105917A1 (en) * 2003-11-14 2005-05-19 Hidehiko Narusawa Optical modulating apparatus
CN101026417A (zh) * 2006-02-20 2007-08-29 华为技术有限公司 激光调制器数字自动偏置电压控制设备
CN101350674A (zh) * 2007-07-16 2009-01-21 华为技术有限公司 一种相位调整的方法、装置及光调制器
WO2010056905A1 (en) * 2008-11-12 2010-05-20 Lockheed Martin Corporation Bias control apparatus and method for optical modulator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2495607A4 *

Also Published As

Publication number Publication date
US20120294627A1 (en) 2012-11-22
CN102834770A (zh) 2012-12-19
EP2495607A4 (en) 2012-09-26
EP2495607A2 (en) 2012-09-05
WO2011100929A2 (zh) 2011-08-25

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