BR112014027356A2 - método e aparelho para achar uma tensão de polarização correspondendo a um ponto de quadratura de um modulador óptico, programa de computador, e, meio de armazenamento legível por máquina - Google Patents

método e aparelho para achar uma tensão de polarização correspondendo a um ponto de quadratura de um modulador óptico, programa de computador, e, meio de armazenamento legível por máquina

Info

Publication number
BR112014027356A2
BR112014027356A2 BR112014027356A BR112014027356A BR112014027356A2 BR 112014027356 A2 BR112014027356 A2 BR 112014027356A2 BR 112014027356 A BR112014027356 A BR 112014027356A BR 112014027356 A BR112014027356 A BR 112014027356A BR 112014027356 A2 BR112014027356 A2 BR 112014027356A2
Authority
BR
Brazil
Prior art keywords
finding
storage medium
computer program
readable storage
bias voltage
Prior art date
Application number
BR112014027356A
Other languages
English (en)
Other versions
BR112014027356B1 (pt
Inventor
James Smith Andrew
Nawaz Mohammed
Charles Giles Simon
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 BR112014027356A2 publication Critical patent/BR112014027356A2/pt
Publication of BR112014027356B1 publication Critical patent/BR112014027356B1/pt

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)
BR112014027356-1A 2012-05-02 2013-04-30 Método e aparelho para controle de polarização dinâmica para uma tensão de polarização correspondendo a um ponto de quadratura de um modulador óptico, e, meio de armazenamento legível por máquina BR112014027356B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1207670.9 2012-05-02
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 (2)

Publication Number Publication Date
BR112014027356A2 true BR112014027356A2 (pt) 2017-06-27
BR112014027356B1 BR112014027356B1 (pt) 2021-11-03

Family

ID=46330675

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014027356-1A BR112014027356B1 (pt) 2012-05-02 2013-04-30 Método e aparelho para controle de polarização dinâmica para uma tensão de polarização correspondendo a um ponto de quadratura de um modulador óptico, e, meio de armazenamento legível por máquina

Country Status (9)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2845048B1 (en) * 2012-05-02 2017-03-01 BAE Systems PLC Controlling bias voltages for optical modulators
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
US10243662B2 (en) * 2015-05-27 2019-03-26 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
EP2084571B1 (en) * 2006-11-16 2016-10-26 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
US20150124309A1 (en) 2015-05-07
BR112014027356B1 (pt) 2021-11-03
EP2845050B1 (en) 2017-03-29
US9291835B2 (en) 2016-03-22
IN2014DN09145A (pt) 2015-05-22
GB201207670D0 (en) 2012-06-13
EP2845050A1 (en) 2015-03-11
GB2502259A (en) 2013-11-27
WO2013164605A1 (en) 2013-11-07
CL2014002959A1 (es) 2015-09-21
PL2845050T3 (pl) 2017-08-31

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 30/04/2013, OBSERVADAS AS CONDICOES LEGAIS.