DE60025638D1 - Arbeitspunktregelung für zusammengesetzte verzerrung zweiter ordnung - Google Patents
Arbeitspunktregelung für zusammengesetzte verzerrung zweiter ordnungInfo
- Publication number
- DE60025638D1 DE60025638D1 DE60025638T DE60025638T DE60025638D1 DE 60025638 D1 DE60025638 D1 DE 60025638D1 DE 60025638 T DE60025638 T DE 60025638T DE 60025638 T DE60025638 T DE 60025638T DE 60025638 D1 DE60025638 D1 DE 60025638D1
- Authority
- DE
- Germany
- Prior art keywords
- distortion
- comparative
- order
- working spotlight
- spotlight
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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
-
- 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
- H04B10/58—Compensation for non-linear transmitter output
- H04B10/588—Compensation for non-linear transmitter output in external modulation systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2210/00—Indexing scheme relating to optical transmission systems
- H04B2210/07—Monitoring an optical transmission system using a supervisory signal
- H04B2210/075—Monitoring an optical transmission system using a supervisory signal using a pilot tone
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15249499P | 1999-09-02 | 1999-09-02 | |
US152494P | 1999-09-02 | ||
PCT/US2000/024410 WO2001026256A1 (en) | 1999-09-02 | 2000-09-05 | Composite second-order bias control schemes |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60025638D1 true DE60025638D1 (de) | 2006-04-06 |
DE60025638T2 DE60025638T2 (de) | 2006-11-09 |
Family
ID=22543172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60025638T Expired - Lifetime DE60025638T2 (de) | 1999-09-02 | 2000-09-05 | Arbeitspunktregelung für zusammengesetzte verzerrung zweiter ordnung |
Country Status (6)
Country | Link |
---|---|
US (1) | US6392779B1 (de) |
EP (1) | EP1226667B1 (de) |
JP (1) | JP2004508737A (de) |
AU (1) | AU7826900A (de) |
DE (1) | DE60025638T2 (de) |
WO (1) | WO2001026256A1 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6473219B1 (en) * | 2001-02-26 | 2002-10-29 | Big Bear Networks, Inc. | Method and apparatus for asymetrical optical modulation |
US6490385B1 (en) * | 2001-05-24 | 2002-12-03 | Nortel Networks Limited | Dimensionally stable device construction |
TW569566B (en) * | 2002-01-11 | 2004-01-01 | New Elite Technologies Inc | Automatic bias voltage calibration method of the optical modulator in externally-tunable optical transmitter and device thereof |
JP3881270B2 (ja) * | 2002-03-26 | 2007-02-14 | 富士通株式会社 | 光変調器の駆動制御装置および駆動制御方法 |
US7340184B2 (en) * | 2003-05-01 | 2008-03-04 | Optium Corporation | Linearized Optical Transmitter Using Feedback Control |
US7155071B2 (en) * | 2005-03-08 | 2006-12-26 | Harris Corporation | Device for Mach-Zehnder modulator bias control for duobinary optical transmission and associated system and method |
US20060228121A1 (en) * | 2005-03-29 | 2006-10-12 | General Electric Company | Remote monitoring system and method |
US7702246B2 (en) * | 2005-08-13 | 2010-04-20 | Alcatel-Lucent Usa Inc. | Optical label switching scheme employing differential phase-shift keying for payloads and intensity modulation for labels using a single optical modulator |
US8532499B2 (en) * | 2005-10-25 | 2013-09-10 | Emcore Corporation | Optical transmitter with adaptively controlled optically linearized modulator |
JP2007248850A (ja) * | 2006-03-16 | 2007-09-27 | Oki Electric Ind Co Ltd | マッハツェンダ型半導体素子及びその制御方法 |
US7729621B2 (en) * | 2007-06-26 | 2010-06-01 | Intel Corporation | Controlling a bias voltage for a Mach-Zehnder modulator |
CN101800598B (zh) * | 2010-02-08 | 2012-05-30 | 北京信息科技大学 | 新的mz外调制器平衡检测偏置控制方法 |
US8995944B2 (en) | 2010-12-09 | 2015-03-31 | Rf Micro Devices, Inc. | Radio frequency switch for suppressing intermodulation |
US8706070B2 (en) * | 2011-03-15 | 2014-04-22 | Rf Micro Devices, Inc. | RF system for reducing intermodulation (IM) products |
JP5006978B1 (ja) | 2011-03-30 | 2012-08-22 | 株式会社フジクラ | 補償方法、光変調システム、及び光復調システム |
US9158137B1 (en) | 2011-09-02 | 2015-10-13 | Eospace Inc. | Spread-spectrum bias control |
JP6031963B2 (ja) * | 2012-11-21 | 2016-11-24 | 富士通株式会社 | 光送信装置、光送信方法、および光送信プログラム |
US9172471B2 (en) * | 2013-03-15 | 2015-10-27 | The United States Of America, As Represented By The Secretary Of The Navy | System and method for suppression of even-order photodiode distortions |
EP3116145B1 (de) * | 2014-03-31 | 2018-06-13 | Huawei Technologies Co. Ltd. | Verfahren zur steuerung der modulationstiefe eines pilotfrequenzsignals, sender und pilotfrequenzsperrvorrichtung |
US9723370B2 (en) | 2014-04-15 | 2017-08-01 | Arris Enterprises Llc | Smart receivers and transmitters for CATV networks |
CN107104736B (zh) * | 2016-02-19 | 2019-08-30 | 光联通讯有限公司 | 一种具有马赫-詹德调制器的光传送器及其操作方法 |
US9991953B1 (en) * | 2017-01-05 | 2018-06-05 | Cisco Technology, Inc. | Transmitter self-calibration of time delay and frequency response for high baud-rate QAM transceivers |
US10523315B2 (en) | 2017-04-05 | 2019-12-31 | Huawei Technologies Co., Ltd. | Systems and method of multi-band pilot tone based optical performance monitoring |
US10684311B2 (en) * | 2017-05-10 | 2020-06-16 | Tektronix, Inc. | High input impedance electro-optic sensor |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3875400A (en) * | 1971-04-06 | 1975-04-01 | Pao Yoh Han | Intensity modulated optical carrier communication system |
US5105380A (en) * | 1989-12-06 | 1992-04-14 | Hughes Aircraft Company | Electro-optic channelized modulator and receiver |
US5003624A (en) * | 1990-03-29 | 1991-03-26 | Hughes Aircraft Company | Automatic bias controller for electro-optic modulator |
US5343324A (en) * | 1991-11-15 | 1994-08-30 | Amoco Corporation | Bias control and method for electro-optic modulators |
IT1276024B1 (it) * | 1995-10-12 | 1997-10-24 | Pirelli Cavi S P A Ora Pirelli | Sistema di polarizzazione di un modulatore ottico per cavi |
US6046838A (en) * | 1998-12-22 | 2000-04-04 | Kestrel Solutions, Inc. | Automatic bias control for electro-optic modulators |
-
2000
- 2000-09-05 JP JP2001529103A patent/JP2004508737A/ja active Pending
- 2000-09-05 DE DE60025638T patent/DE60025638T2/de not_active Expired - Lifetime
- 2000-09-05 EP EP00968334A patent/EP1226667B1/de not_active Expired - Lifetime
- 2000-09-05 US US09/655,227 patent/US6392779B1/en not_active Expired - Lifetime
- 2000-09-05 WO PCT/US2000/024410 patent/WO2001026256A1/en active IP Right Grant
- 2000-09-06 AU AU78269/00A patent/AU7826900A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DE60025638T2 (de) | 2006-11-09 |
US6392779B1 (en) | 2002-05-21 |
EP1226667B1 (de) | 2006-01-18 |
AU7826900A (en) | 2001-05-10 |
WO2001026256A1 (en) | 2001-04-12 |
EP1226667A1 (de) | 2002-07-31 |
EP1226667A4 (de) | 2005-06-29 |
JP2004508737A (ja) | 2004-03-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |