IN2014DN09145A - - Google Patents

Info

Publication number
IN2014DN09145A
IN2014DN09145A IN9145DEN2014A IN2014DN09145A IN 2014DN09145 A IN2014DN09145 A IN 2014DN09145A IN 9145DEN2014 A IN9145DEN2014 A IN 9145DEN2014A IN 2014DN09145 A IN2014DN09145 A IN 2014DN09145A
Authority
IN
India
Prior art keywords
bias voltage
modulator
quadrature
decreasing
target
Prior art date
Application number
Other languages
English (en)
Inventor
Andrew James Smith
Mohammed Nawaz
Simon Charles Giles
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 IN2014DN09145A publication Critical patent/IN2014DN09145A/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
    • G02F1/225—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
    • 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
    • H04B10/5057—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
    • 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
    • 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

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)
IN9145DEN2014 2012-05-02 2013-04-30 IN2014DN09145A (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1207670.9A GB2502259A (en) 2012-05-02 2012-05-02 Finding a bias voltage for an optical modulator
PCT/GB2013/051114 WO2013164605A1 (en) 2012-05-02 2013-04-30 Finding bias voltages for optical modulators

Publications (1)

Publication Number Publication Date
IN2014DN09145A true IN2014DN09145A (enrdf_load_stackoverflow) 2015-05-22

Family

ID=46330675

Family Applications (1)

Application Number Title Priority Date Filing Date
IN9145DEN2014 IN2014DN09145A (enrdf_load_stackoverflow) 2012-05-02 2013-04-30

Country Status (9)

Country Link
US (1) US9291835B2 (enrdf_load_stackoverflow)
EP (1) EP2845050B1 (enrdf_load_stackoverflow)
BR (1) BR112014027356B1 (enrdf_load_stackoverflow)
CL (1) CL2014002959A1 (enrdf_load_stackoverflow)
ES (1) ES2624289T3 (enrdf_load_stackoverflow)
GB (1) GB2502259A (enrdf_load_stackoverflow)
IN (1) IN2014DN09145A (enrdf_load_stackoverflow)
PL (1) PL2845050T3 (enrdf_load_stackoverflow)
WO (1) WO2013164605A1 (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL2845048T3 (pl) * 2012-05-02 2017-08-31 Bae Systems Plc Regulacja napięć polaryzacji dla modulatorów optycznych
GB2502259A (en) 2012-05-02 2013-11-27 Bae Systems Plc Finding a bias voltage for an optical modulator
EP3029512A1 (en) * 2014-12-02 2016-06-08 Xieon Networks S.à r.l. Spectral inversion detection for polarization-division multiplexed optical transmission
EP3265870B1 (en) * 2015-05-27 2021-10-06 Hewlett Packard Enterprise Development LP Bias-based mach-zehnder modulation (mzm) systems
CN113253537B (zh) * 2021-05-19 2022-11-25 东南大学 一种基于soi材料制备的马赫-曾德尔干涉仪型可调分数阶光场微分器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5845005B2 (ja) * 1976-09-14 1983-10-06 日本ビクター株式会社 光変調の変調度安定化装置
JP2518138B2 (ja) * 1993-06-25 1996-07-24 日本電気株式会社 光変調装置
GB0103072D0 (en) * 2001-02-08 2001-03-21 Marconi Comm Ltd Interferometer
WO2008059198A1 (en) * 2006-11-16 2008-05-22 Bae Systems Plc Bias controller for an optical modulator
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
GB2502259A (en) 2012-05-02 2013-11-27 Bae Systems Plc Finding a bias voltage for an optical modulator

Also Published As

Publication number Publication date
ES2624289T3 (es) 2017-07-13
EP2845050B1 (en) 2017-03-29
CL2014002959A1 (es) 2015-09-21
GB201207670D0 (en) 2012-06-13
PL2845050T3 (pl) 2017-08-31
US20150124309A1 (en) 2015-05-07
BR112014027356A2 (pt) 2017-06-27
EP2845050A1 (en) 2015-03-11
US9291835B2 (en) 2016-03-22
WO2013164605A1 (en) 2013-11-07
BR112014027356B1 (pt) 2021-11-03
GB2502259A (en) 2013-11-27

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