DE60025638D1 - Arbeitspunktregelung für zusammengesetzte verzerrung zweiter ordnung - Google Patents

Arbeitspunktregelung für zusammengesetzte verzerrung zweiter ordnung

Info

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
Application number
DE60025638T
Other languages
English (en)
Other versions
DE60025638T2 (de
Inventor
John Iannelli
A Blauvelt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agere Systems LLC
Original Assignee
Agere Systems LLC
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 Agere Systems LLC filed Critical Agere Systems LLC
Application granted granted Critical
Publication of DE60025638D1 publication Critical patent/DE60025638D1/de
Publication of DE60025638T2 publication Critical patent/DE60025638T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • H04B10/58Compensation for non-linear transmitter output
    • H04B10/588Compensation for non-linear transmitter output in external modulation systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2210/00Indexing scheme relating to optical transmission systems
    • H04B2210/07Monitoring an optical transmission system using a supervisory signal
    • H04B2210/075Monitoring 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)
DE60025638T 1999-09-02 2000-09-05 Arbeitspunktregelung für zusammengesetzte verzerrung zweiter ordnung Expired - Lifetime DE60025638T2 (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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

Similar Documents

Publication Publication Date Title
DE60025638D1 (de) Arbeitspunktregelung für zusammengesetzte verzerrung zweiter ordnung
NO20014608D0 (no) Vekstfremmende sammensetninger
ATE500378T1 (de) Weichmacherzusammensetzungen für textilien
DE60026805D1 (de) Schalldämpfer für Reifen
ID28692A (id) Turunan benzena dilebur yang berguna sebagai herbisida
DE60000327D1 (de) Beschaltung für leistungsfaktorkorrektur
DE50008174D1 (de) Scheinwerfer für Fahrzeuge
DE60236049D1 (de) Elektroakustische Umwandlung für Fahrzeuge
DE50009306D1 (de) Flachlautsprecheranordnung für tieftonwiedergabe
DE50013367D1 (de) Scheinwerfer für Fahrzeuge
DE50004400D1 (de) Halterung für Funktelefon
ATA106099A (de) Abstreifanordnung
DE50012749D1 (de) Leuchte für Fahrzeuge
DE50012638D1 (de) Lichttechnische Einrichtung für Fahrzeuge
DE60140746D1 (de) Gefechtkopfssprengladungsvorrichtung für trägermunitionseinigkeiten
DE50015454D1 (de) Leuchte für Fahrzeuge
DE50005376D1 (de) Scheinwerfer für Fahrzeuge
DE59910448D1 (de) Leuchte für Fahrzeuge
DE69921443D1 (de) Sicherstellungsverfahren für Signalisierungsverbindungen
IT1312309B1 (it) Procedimento per la purificazione di diacereina
DE69933013D1 (de) Adaptive Filterung für Mobilfunkübertragungssystem
DE29817828U1 (de) Kopfbügel für Telefone
DE29905443U1 (de) Scherenbügel für Studioscheinwerfer
DE60006967T2 (de) Tristate-schaltung für einschaltbedingungen
FI982327A0 (fi) Sovitelma puhelimen handsfree-toiminnoksi

Legal Events

Date Code Title Description
8364 No opposition during term of opposition