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
Links
- 238000000034 method Methods 0.000 abstract 2
- 238000012544 monitoring process Methods 0.000 abstract 2
- 230000003287 optical effect Effects 0.000 abstract 2
- 230000001419 dependent effect Effects 0.000 abstract 1
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
- 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
-
- 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
-
- 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
-
- 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
- H04B10/5059—Laser transmitters using external modulation using a feed-forward signal generated by analysing the optical or electrical input
- H04B10/50595—Laser 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)
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)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9658476B2 (en) * | 2012-05-02 | 2017-05-23 | Bae Systems Plc | Controlling bias voltages for optical modulators |
| GB2502261A (en) | 2012-05-02 | 2013-11-27 | Bae Systems Plc | Controlling a bias voltage for an optical modulator |
| 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 |
| WO2016190866A1 (en) * | 2015-05-27 | 2016-12-01 | 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)
| 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 |
| EP2084571B1 (en) | 2006-11-16 | 2016-10-26 | BAE Systems PLC | Bias controller for an optical modulator |
| JP2010501908A (ja) | 2007-12-04 | 2010-01-21 | ビ−エイイ− システムズ パブリック リミテッド カンパニ− | バイアス制御装置 |
| 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 |
| JP5348317B2 (ja) | 2010-04-22 | 2013-11-20 | 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 |
-
2012
- 2012-05-02 GB GB1207689.9A patent/GB2502261A/en not_active Withdrawn
-
2013
- 2013-04-30 PL PL13720510T patent/PL2845049T3/pl unknown
- 2013-04-30 KR KR1020147033936A patent/KR102001896B1/ko active Active
- 2013-04-30 EP EP13720510.0A patent/EP2845049B1/en active Active
- 2013-04-30 BR BR112014027358-8A patent/BR112014027358B1/pt active IP Right Grant
- 2013-04-30 US US14/398,244 patent/US9846318B2/en active Active
- 2013-04-30 ES ES13720510.0T patent/ES2573837T3/es active Active
- 2013-04-30 WO PCT/GB2013/051113 patent/WO2013164604A1/en active Application Filing
- 2013-04-30 IN IN9139DEN2014 patent/IN2014DN09139A/en unknown
-
2014
- 2014-10-30 CL CL2014002960A patent/CL2014002960A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB201207689D0 (en) | 2012-06-13 |
| EP2845049A1 (en) | 2015-03-11 |
| US20150110437A1 (en) | 2015-04-23 |
| CL2014002960A1 (es) | 2015-04-24 |
| ES2573837T3 (es) | 2016-06-10 |
| GB2502261A (en) | 2013-11-27 |
| BR112014027358B1 (pt) | 2022-02-01 |
| EP2845049B1 (en) | 2016-04-27 |
| US9846318B2 (en) | 2017-12-19 |
| WO2013164604A1 (en) | 2013-11-07 |
| KR102001896B1 (ko) | 2019-07-19 |
| BR112014027358A8 (pt) | 2021-03-16 |
| BR112014027358A2 (pt) | 2017-06-27 |
| PL2845049T3 (pl) | 2017-08-31 |
| KR20150013678A (ko) | 2015-02-05 |
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