SE509968C2 - Optisk förstärkare med variabel förstärkning - Google Patents

Optisk förstärkare med variabel förstärkning

Info

Publication number
SE509968C2
SE509968C2 SE9700533A SE9700533A SE509968C2 SE 509968 C2 SE509968 C2 SE 509968C2 SE 9700533 A SE9700533 A SE 9700533A SE 9700533 A SE9700533 A SE 9700533A SE 509968 C2 SE509968 C2 SE 509968C2
Authority
SE
Sweden
Prior art keywords
amplifier
power
light
gain
optical
Prior art date
Application number
SE9700533A
Other languages
English (en)
Swedish (sv)
Other versions
SE9700533D0 (sv
SE9700533L (sv
Inventor
Dag Bonnedal
Johan Sandell
Magnus Sundelin
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9700533A priority Critical patent/SE509968C2/sv
Publication of SE9700533D0 publication Critical patent/SE9700533D0/xx
Priority to KR1019997007080A priority patent/KR100343346B1/ko
Priority to DE69830145T priority patent/DE69830145T2/de
Priority to EP98904494A priority patent/EP0960491B1/fr
Priority to TW087102048A priority patent/TW366632B/zh
Priority to PCT/SE1998/000255 priority patent/WO1998036513A1/fr
Priority to CA002280962A priority patent/CA2280962A1/fr
Priority to BR9807355-9A priority patent/BR9807355A/pt
Priority to CNB988025205A priority patent/CN1135751C/zh
Priority to AT98904494T priority patent/ATE295641T1/de
Priority to AU62346/98A priority patent/AU737550B2/en
Priority to JP53566598A priority patent/JP3992749B2/ja
Priority to MYPI98000633A priority patent/MY119518A/en
Publication of SE9700533L publication Critical patent/SE9700533L/xx
Publication of SE509968C2 publication Critical patent/SE509968C2/sv
Priority to US09/368,468 priority patent/US6421169B1/en

Links

Classifications

    • 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067—Fibre lasers
    • H01S3/06754—Fibre amplifiers
    • H01S3/06758—Tandem amplifiers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
    • H01S3/1301—Stabilisation of laser output parameters, e.g. frequency or amplitude in optical amplifiers
    • 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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2581—Multimode transmission
    • 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/293—Signal power control
    • H04B10/294—Signal power control in a multiwavelength system, e.g. gain equalisation
    • H04B10/2941—Signal power control in a multiwavelength system, e.g. gain equalisation using an equalising unit, e.g. a filter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/003—Devices including multiple stages, e.g., multi-stage optical amplifiers or dispersion compensators

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Optical Communication System (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
SE9700533A 1997-02-14 1997-02-14 Optisk förstärkare med variabel förstärkning SE509968C2 (sv)

Priority Applications (14)

Application Number Priority Date Filing Date Title
SE9700533A SE509968C2 (sv) 1997-02-14 1997-02-14 Optisk förstärkare med variabel förstärkning
JP53566598A JP3992749B2 (ja) 1997-02-14 1998-02-13 可変な利得を有する光ファイバ増幅器
CA002280962A CA2280962A1 (fr) 1997-02-14 1998-02-13 Amplificateur a fibre optique presentant un gain variable
CNB988025205A CN1135751C (zh) 1997-02-14 1998-02-13 光学放大器和放大光信号的方法
EP98904494A EP0960491B1 (fr) 1997-02-14 1998-02-13 Amplificateur a fibre optique presentant un gain variable
TW087102048A TW366632B (en) 1997-02-14 1998-02-13 Optical fiber amplifier having variable gain
PCT/SE1998/000255 WO1998036513A1 (fr) 1997-02-14 1998-02-13 Amplificateur a fibre optique presentant un gain variable
KR1019997007080A KR100343346B1 (ko) 1997-02-14 1998-02-13 가변 이득을 가지는 광섬유 증폭기
BR9807355-9A BR9807355A (pt) 1997-02-14 1998-02-13 Dispositivo amplificador óptico, rede de fibra óptica, e, processo para amplificar sinais luminosos viajando em um enlace de transmissão óptico
DE69830145T DE69830145T2 (de) 1997-02-14 1998-02-13 Faseroptischer verstärker mit variabler verstärkung
AT98904494T ATE295641T1 (de) 1997-02-14 1998-02-13 Faseroptischer verstärker mit variabler verstärkung
AU62346/98A AU737550B2 (en) 1997-02-14 1998-02-13 Optical fiber amplifier having variable gain
MYPI98000633A MY119518A (en) 1997-02-14 1998-02-14 Optical fiber amplifier having variable gain
US09/368,468 US6421169B1 (en) 1997-02-14 1999-08-02 Optical fiber amplifier having variable gain

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9700533A SE509968C2 (sv) 1997-02-14 1997-02-14 Optisk förstärkare med variabel förstärkning

Publications (3)

Publication Number Publication Date
SE9700533D0 SE9700533D0 (sv) 1997-02-14
SE9700533L SE9700533L (sv) 1998-09-01
SE509968C2 true SE509968C2 (sv) 1999-03-29

Family

ID=20405805

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9700533A SE509968C2 (sv) 1997-02-14 1997-02-14 Optisk förstärkare med variabel förstärkning

Country Status (14)

Country Link
US (1) US6421169B1 (fr)
EP (1) EP0960491B1 (fr)
JP (1) JP3992749B2 (fr)
KR (1) KR100343346B1 (fr)
CN (1) CN1135751C (fr)
AT (1) ATE295641T1 (fr)
AU (1) AU737550B2 (fr)
BR (1) BR9807355A (fr)
CA (1) CA2280962A1 (fr)
DE (1) DE69830145T2 (fr)
MY (1) MY119518A (fr)
SE (1) SE509968C2 (fr)
TW (1) TW366632B (fr)
WO (1) WO1998036513A1 (fr)

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US6049413A (en) * 1998-05-22 2000-04-11 Ciena Corporation Optical amplifier having first and second stages and an attenuator controlled based on the gains of the first and second stages
EP0994583B1 (fr) 1998-10-13 2001-09-12 Lucent Technologies Inc. Procédé et dispositif de contrôle de la puissance optique d'un signal de transmission optique
FR2787954A1 (fr) * 1998-12-28 2000-06-30 Cit Alcatel Amplification quasi-distribuee dans un systeme de transmission a fibre optique
FR2787953A1 (fr) * 1998-12-28 2000-06-30 Cit Alcatel Amplification quasi-distribuee dans un systeme de transmission a fibre optique
JP3844902B2 (ja) * 1999-03-02 2006-11-15 富士通株式会社 波長多重用光増幅器及び光通信システム
US6583923B1 (en) 1999-12-07 2003-06-24 Siemens Aktiengesellschaft Optical fiber amplifier
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US6661946B2 (en) * 2001-07-09 2003-12-09 Lucent Technologies Inc. Method of controlling optical signal power at an add/drop node in a WDM optical communication system
US7460296B2 (en) * 2002-04-30 2008-12-02 Pivotal Decisions Llc Compensation for spectral power tilt from scattering
US6977770B2 (en) * 2002-06-14 2005-12-20 Fujitsu Limited Optical amplifier and control method therefor
EP1420491A3 (fr) * 2002-11-18 2005-04-27 Fujitsu Limited Amplificateur optique et procédé de réglage d'un amplificateur optique
JP4359035B2 (ja) * 2002-11-21 2009-11-04 富士通株式会社 光中継器
KR100526560B1 (ko) * 2002-12-07 2005-11-03 삼성전자주식회사 자동파워조절 기능을 갖는 광섬유 증폭기 및 그 자동 파워조절 방법
US7361171B2 (en) 2003-05-20 2008-04-22 Raydiance, Inc. Man-portable optical ablation system
US20050038487A1 (en) * 2003-08-11 2005-02-17 Richard Stoltz Controlling pulse energy of an optical amplifier by controlling pump diode current
US20050065502A1 (en) * 2003-08-11 2005-03-24 Richard Stoltz Enabling or blocking the emission of an ablation beam based on color of target
US7115514B2 (en) 2003-10-02 2006-10-03 Raydiance, Inc. Semiconductor manufacturing using optical ablation
US8173929B1 (en) 2003-08-11 2012-05-08 Raydiance, Inc. Methods and systems for trimming circuits
US8921733B2 (en) 2003-08-11 2014-12-30 Raydiance, Inc. Methods and systems for trimming circuits
US9022037B2 (en) 2003-08-11 2015-05-05 Raydiance, Inc. Laser ablation method and apparatus having a feedback loop and control unit
US7143769B2 (en) * 2003-08-11 2006-12-05 Richard Stoltz Controlling pulse energy of an optical amplifier by controlling pump diode current
US7367969B2 (en) * 2003-08-11 2008-05-06 Raydiance, Inc. Ablative material removal with a preset removal rate or volume or depth
US20050068612A1 (en) * 2003-09-30 2005-03-31 Gordon Wilson Pre-programmable optical filtering / amplifying method and apparatus
US7247796B2 (en) * 2003-10-28 2007-07-24 3M Innovative Properties Company Filling materials
US20050111077A1 (en) * 2003-11-24 2005-05-26 Ching-Wen Hsiao Gain controller with selectable wavelength feedback
US7413847B2 (en) 2004-02-09 2008-08-19 Raydiance, Inc. Semiconductor-type processing for solid-state lasers
JP4451696B2 (ja) * 2004-03-30 2010-04-14 富士通株式会社 微細構造ファイバの非線形係数の波長依存性をキャンセルする装置
US7349452B2 (en) 2004-12-13 2008-03-25 Raydiance, Inc. Bragg fibers in systems for the generation of high peak power light
US8135050B1 (en) 2005-07-19 2012-03-13 Raydiance, Inc. Automated polarization correction
DE602006009587D1 (de) * 2005-08-08 2009-11-19 Univ Colorado Regents Verfahren zur Optimierung ultrakurzer Pulse in Multipass-Laserverstärkern unter selektiver Verwendung eines Spektralfilters
US7245419B2 (en) 2005-09-22 2007-07-17 Raydiance, Inc. Wavelength-stabilized pump diodes for pumping gain media in an ultrashort pulsed laser system
JP4717602B2 (ja) * 2005-11-16 2011-07-06 富士通株式会社 光増幅器
US7308171B2 (en) 2005-11-16 2007-12-11 Raydiance, Inc. Method and apparatus for optical isolation in high power fiber-optic systems
US7436866B2 (en) 2005-11-30 2008-10-14 Raydiance, Inc. Combination optical isolator and pulse compressor
US7444049B1 (en) 2006-01-23 2008-10-28 Raydiance, Inc. Pulse stretcher and compressor including a multi-pass Bragg grating
US9130344B2 (en) 2006-01-23 2015-09-08 Raydiance, Inc. Automated laser tuning
US8232687B2 (en) 2006-04-26 2012-07-31 Raydiance, Inc. Intelligent laser interlock system
US8189971B1 (en) 2006-01-23 2012-05-29 Raydiance, Inc. Dispersion compensation in a chirped pulse amplification system
US7822347B1 (en) 2006-03-28 2010-10-26 Raydiance, Inc. Active tuning of temporal dispersion in an ultrashort pulse laser system
US7715092B2 (en) * 2006-10-03 2010-05-11 Jds Uniphase Corporation Dynamic raman tilt compensation
JP5239223B2 (ja) 2007-06-21 2013-07-17 富士通株式会社 光増幅器
US7903326B2 (en) 2007-11-30 2011-03-08 Radiance, Inc. Static phase mask for high-order spectral phase control in a hybrid chirped pulse amplifier system
US7911684B1 (en) * 2008-03-07 2011-03-22 Oplink Communications, Inc. Variable gain erbium doped fiber amplifier
ATE509439T1 (de) * 2008-03-13 2011-05-15 Nokia Siemens Networks Oy Verfahren zur steuerung eines edfa-verstärkers (erbium doped fibre amplifier) und verstärkeranordnung
US8125704B2 (en) 2008-08-18 2012-02-28 Raydiance, Inc. Systems and methods for controlling a pulsed laser by combining laser signals
US9120181B2 (en) 2010-09-16 2015-09-01 Coherent, Inc. Singulation of layered materials using selectively variable laser output
US9059799B2 (en) * 2011-04-21 2015-06-16 Futurewei Technologies, Inc. Apparatus and method to calculate a noise figure of an optical amplifier for wavelength channels in a partial-fill scenario to account for channel loading
KR102455846B1 (ko) * 2016-03-14 2022-10-18 위-차지 리미티드. 광 무선 전력 공급장치용 시스템
CN111416665B (zh) * 2019-01-07 2022-04-15 中国移动通信有限公司研究院 一种光纤通信方法、装置、设备及存储介质
CN112310791B (zh) * 2020-10-23 2021-10-12 武汉光迅电子技术有限公司 一种增益调节方法和光纤放大器
CN114499673B (zh) * 2020-11-12 2024-07-26 莫列斯有限公司 光放大器模块及其增益控制方法
US12573802B2 (en) * 2022-05-03 2026-03-10 Lumentum Operations Llc Full-band, high-power optical amplifier
US12278693B2 (en) * 2022-12-06 2025-04-15 Ciena Corporation Stretched single optical span communications system and method avoiding hazardous power levels
CN119341647A (zh) * 2023-07-21 2025-01-21 中兴通讯股份有限公司 通道功率斜率的控制方法、装置、通信设备以及存储介质
KR102842404B1 (ko) * 2023-10-24 2025-08-05 주식회사엘디티 노이즈 성능이 개선된 적외선 수신 장치

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Also Published As

Publication number Publication date
CN1135751C (zh) 2004-01-21
TW366632B (en) 1999-08-11
WO1998036513A1 (fr) 1998-08-20
EP0960491A1 (fr) 1999-12-01
AU6234698A (en) 1998-09-08
KR20000070817A (ko) 2000-11-25
CA2280962A1 (fr) 1998-08-20
DE69830145D1 (de) 2005-06-16
DE69830145T2 (de) 2006-03-02
BR9807355A (pt) 2000-04-18
AU737550B2 (en) 2001-08-23
EP0960491B1 (fr) 2005-05-11
JP2001511975A (ja) 2001-08-14
KR100343346B1 (ko) 2002-07-24
SE9700533D0 (sv) 1997-02-14
JP3992749B2 (ja) 2007-10-17
CN1247655A (zh) 2000-03-15
ATE295641T1 (de) 2005-05-15
MY119518A (en) 2005-06-30
US6421169B1 (en) 2002-07-16
SE9700533L (sv) 1998-09-01

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