IN2014DN09139A - - Google Patents

Info

Publication number
IN2014DN09139A
IN2014DN09139A IN9139DEN2014A IN2014DN09139A IN 2014DN09139 A IN2014DN09139 A IN 2014DN09139A IN 9139DEN2014 A IN9139DEN2014 A IN 9139DEN2014A IN 2014DN09139 A IN2014DN09139 A IN 2014DN09139A
Authority
IN
India
Prior art keywords
modulator
bias voltage
output power
defined range
pre defined
Prior art date
Application number
Other languages
English (en)
Inventor
Andrew James Smith
Mohammed Nawaz
Original Assignee
Bae Systems Plc
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 Bae Systems Plc filed Critical Bae Systems Plc
Publication of IN2014DN09139A publication Critical patent/IN2014DN09139A/en

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/0121Operation of devices; Circuit arrangements, not otherwise provided for in this subclass
    • G02F1/0123Circuits for the control or stabilisation of the bias voltage, e.g. automatic bias control [ABC] feedback loops
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/21Devices 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
    • G02F1/212Mach-Zehnder type
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/21Devices 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
    • G02F1/225Devices 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
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/21Devices 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
    • G02F1/225Devices 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
    • G02F1/2255Devices 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50Transmitters
    • H04B10/501Structural aspects
    • H04B10/503Laser transmitters
    • H04B10/505Laser transmitters using external modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50Transmitters
    • H04B10/501Structural aspects
    • H04B10/503Laser transmitters
    • H04B10/505Laser transmitters using external modulation
    • H04B10/5057Laser transmitters using external modulation using a feedback signal generated by analysing the optical output
    • H04B10/50575Laser transmitters using external modulation using a feedback signal generated by analysing the optical output to control the modulator DC bias
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/50Transmitters
    • H04B10/501Structural aspects
    • H04B10/503Laser transmitters
    • H04B10/505Laser transmitters using external modulation
    • H04B10/5059Laser transmitters using external modulation using a feed-forward signal generated by analysing the optical or electrical input
    • H04B10/50595Laser transmitters using external modulation using a feed-forward signal generated by analysing the optical or electrical input to control the modulator DC bias

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Optical Communication System (AREA)
IN9139DEN2014 2012-05-02 2013-04-30 IN2014DN09139A (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1207689.9A GB2502261A (en) 2012-05-02 2012-05-02 Controlling a bias voltage for an optical modulator
PCT/GB2013/051113 WO2013164604A1 (en) 2012-05-02 2013-04-30 Controlling bias voltages for optical modulators

Publications (1)

Publication Number Publication Date
IN2014DN09139A true IN2014DN09139A (enrdf_load_stackoverflow) 2015-05-22

Family

ID=46330687

Family Applications (1)

Application Number Title Priority Date Filing Date
IN9139DEN2014 IN2014DN09139A (enrdf_load_stackoverflow) 2012-05-02 2013-04-30

Country Status (10)

Country Link
US (1) US9846318B2 (enrdf_load_stackoverflow)
EP (1) EP2845049B1 (enrdf_load_stackoverflow)
KR (1) KR102001896B1 (enrdf_load_stackoverflow)
BR (1) BR112014027358B1 (enrdf_load_stackoverflow)
CL (1) CL2014002960A1 (enrdf_load_stackoverflow)
ES (1) ES2573837T3 (enrdf_load_stackoverflow)
GB (1) GB2502261A (enrdf_load_stackoverflow)
IN (1) IN2014DN09139A (enrdf_load_stackoverflow)
PL (1) PL2845049T3 (enrdf_load_stackoverflow)
WO (1) WO2013164604A1 (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2502261A (en) 2012-05-02 2013-11-27 Bae Systems Plc Controlling a bias voltage for an optical modulator
PL2845048T3 (pl) * 2012-05-02 2017-08-31 Bae Systems Plc Regulacja napięć polaryzacji dla modulatorów optycznych
WO2015063438A1 (en) * 2013-11-01 2015-05-07 Bae Systems Plc Finding bias voltages for optical modulators
WO2015063437A1 (en) * 2013-11-01 2015-05-07 Bae Systems Plc Controlling bias voltages for optical modulators
EP3265870B1 (en) * 2015-05-27 2021-10-06 Hewlett Packard Enterprise Development LP Bias-based mach-zehnder modulation (mzm) systems
KR101813784B1 (ko) 2016-02-04 2017-12-29 연세대학교 산학협력단 데이터 신호의 진폭을 이용한 광 변조기의 바이어스 제어 장치 및 방법
JP2018205288A (ja) * 2017-05-31 2018-12-27 ソニーセミコンダクタソリューションズ株式会社 距離計測装置、距離計測方法、およびプログラム

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2518138B2 (ja) 1993-06-25 1996-07-24 日本電気株式会社 光変調装置
US6700907B2 (en) * 2000-11-20 2004-03-02 Jds Uniphase Corporation Mach-Zehnder modulator bias and driver gain control mechanism
GB0103072D0 (en) * 2001-02-08 2001-03-21 Marconi Comm Ltd Interferometer
KR100450745B1 (ko) * 2001-12-07 2004-10-01 한국전자통신연구원 광변조기 제어장치 및 방법
WO2008059198A1 (en) * 2006-11-16 2008-05-22 Bae Systems Plc Bias controller for an optical modulator
US8203777B2 (en) 2007-12-04 2012-06-19 Bae Systems Plc Bias controller
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
WO2011132283A1 (ja) 2010-04-22 2011-10-27 富士通株式会社 光変調装置、光変調装置の駆動方法、及び光変調装置の製造方法
GB2502261A (en) 2012-05-02 2013-11-27 Bae Systems Plc Controlling a bias voltage for an optical modulator

Also Published As

Publication number Publication date
US9846318B2 (en) 2017-12-19
CL2014002960A1 (es) 2015-04-24
WO2013164604A1 (en) 2013-11-07
KR102001896B1 (ko) 2019-07-19
US20150110437A1 (en) 2015-04-23
KR20150013678A (ko) 2015-02-05
PL2845049T3 (pl) 2017-08-31
ES2573837T3 (es) 2016-06-10
BR112014027358B1 (pt) 2022-02-01
BR112014027358A8 (pt) 2021-03-16
GB2502261A (en) 2013-11-27
EP2845049A1 (en) 2015-03-11
BR112014027358A2 (pt) 2017-06-27
GB201207689D0 (en) 2012-06-13
EP2845049B1 (en) 2016-04-27

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