CN106170933B - 一种光中继器,及光纤通信系统 - Google Patents
一种光中继器,及光纤通信系统 Download PDFInfo
- Publication number
- CN106170933B CN106170933B CN201480072816.3A CN201480072816A CN106170933B CN 106170933 B CN106170933 B CN 106170933B CN 201480072816 A CN201480072816 A CN 201480072816A CN 106170933 B CN106170933 B CN 106170933B
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- coupler
- pump light
- input terminal
- output end
- processing component
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- 230000003287 optical effect Effects 0.000 title claims abstract description 448
- 239000013307 optical fiber Substances 0.000 title claims abstract description 43
- 238000005086 pumping Methods 0.000 claims abstract description 325
- 238000012545 processing Methods 0.000 claims abstract description 302
- 239000000835 fiber Substances 0.000 claims abstract description 137
- 230000008878 coupling Effects 0.000 claims description 105
- 238000010168 coupling process Methods 0.000 claims description 105
- 238000005859 coupling reaction Methods 0.000 claims description 105
- 230000010287 polarization Effects 0.000 claims description 57
- 238000009499 grossing Methods 0.000 claims description 8
- 238000001069 Raman spectroscopy Methods 0.000 description 49
- 102100032450 Endothelial differentiation-related factor 1 Human genes 0.000 description 45
- 101001016384 Homo sapiens Endothelial differentiation-related factor 1 Proteins 0.000 description 45
- 238000010586 diagram Methods 0.000 description 24
- 230000005540 biological transmission Effects 0.000 description 23
- 238000011144 upstream manufacturing Methods 0.000 description 11
- 229910052691 Erbium Inorganic materials 0.000 description 9
- 230000009102 absorption Effects 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 6
- 230000003321 amplification Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 6
- 238000003199 nucleic acid amplification method Methods 0.000 description 6
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000003595 spectral effect Effects 0.000 description 4
- 230000002269 spontaneous effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 235000013290 Sagittaria latifolia Nutrition 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000011748 cell maturation Effects 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
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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
- H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing
- H04B10/2914—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing using lumped semiconductor optical amplifiers [SOA]
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4415—Cables for special applications
- G02B6/4427—Pressure resistant cables, e.g. undersea cables
-
- 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
- H01S3/06783—Amplifying coupler
-
- 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
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
- H01S3/094015—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre with pump light recycling, i.e. with reinjection of the unused pump light back into the fiber, e.g. by reflectors or circulators
-
- 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
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/1601—Solid materials characterised by an active (lasing) ion
- H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
- H01S3/1608—Solid materials characterised by an active (lasing) ion rare earth erbium
-
- 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
- H04B10/2912—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing
- H04B10/2916—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form characterised by the medium used for amplification or processing using Raman or Brillouin amplifiers
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- General Physics & Mathematics (AREA)
- Optical Communication System (AREA)
- Lasers (AREA)
Abstract
Description
Claims (31)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2014/077443 WO2015172328A1 (zh) | 2014-05-14 | 2014-05-14 | 一种光中继器,及光纤通信系统 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106170933A CN106170933A (zh) | 2016-11-30 |
CN106170933B true CN106170933B (zh) | 2019-04-12 |
Family
ID=54479151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201480072816.3A Active CN106170933B (zh) | 2014-05-14 | 2014-05-14 | 一种光中继器,及光纤通信系统 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9876574B2 (zh) |
EP (1) | EP3136623A4 (zh) |
JP (1) | JP6312927B2 (zh) |
CN (1) | CN106170933B (zh) |
WO (1) | WO2015172328A1 (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6312927B2 (ja) * | 2014-05-14 | 2018-04-18 | ▲華▼▲為▼▲海▼洋▲網▼▲絡▼有限公司 | 光中継器及び光ファイバー通信システム |
CN108710716B (zh) * | 2018-03-29 | 2022-03-15 | 中国联合网络通信集团有限公司 | 一种光传输系统中光放站的设计图纸生成方法和装置 |
CN109038186A (zh) * | 2018-07-16 | 2018-12-18 | 哈尔滨工程大学 | 一种平坦型铒镱共掺光纤光源 |
JP7119110B2 (ja) | 2018-08-27 | 2022-08-16 | エイチエムエヌ・テクノロジーズ・カンパニー・リミテッド | 海底ネットワーク設備 |
IT201800021544A1 (it) * | 2018-12-31 | 2020-07-01 | Ipg Photonics Corp | Sistema laser a pompa in fibra e metodo per un ripetitore ottico sottomarino |
US12040838B2 (en) * | 2022-09-12 | 2024-07-16 | Fujitsu Limited | Mitigation of anomaly loss in an optical transmission system |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003069812A1 (en) * | 2001-12-27 | 2003-08-21 | Pirelli Submarine Telecom Systems Italia S.P.A. | Optical transmission system with raman amplifiers comprising a supervisory system |
CN101997612A (zh) * | 2009-08-10 | 2011-03-30 | 华为技术有限公司 | 光放大装置及光中继器 |
CN103701522A (zh) * | 2013-11-29 | 2014-04-02 | 武汉光迅科技股份有限公司 | 实现光纤光时域反射探测和光纤光信号放大的装置 |
CN103746283A (zh) * | 2014-01-29 | 2014-04-23 | 广东高聚激光有限公司 | 一种增强光纤激光器泵浦效率的方法及其光纤激光器 |
Family Cites Families (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5005937A (en) * | 1989-04-14 | 1991-04-09 | Nippon Telegraph And Telephone Corporation | Optical branching equipment and optical network using the same |
US5500756A (en) * | 1992-02-28 | 1996-03-19 | Hitachi, Ltd. | Optical fiber transmission system and supervision method of the same |
US5555477A (en) * | 1992-04-08 | 1996-09-10 | Hitachi, Ltd. | Optical transmission system constructing method and system |
JPH0837497A (ja) * | 1994-05-20 | 1996-02-06 | Fujitsu Ltd | 光増幅器及び光送信装置 |
JP3306693B2 (ja) * | 1995-01-19 | 2002-07-24 | 富士通株式会社 | 光増幅装置,光波長多重通信システム,光端局装置及び光中継装置 |
JPH08265258A (ja) * | 1995-03-20 | 1996-10-11 | Fujitsu Ltd | 光増幅中継器 |
US6195480B1 (en) * | 1997-08-06 | 2001-02-27 | Hitachi, Ltd. | Optical transmission device and optical transmission system employing the same |
JPH0993202A (ja) * | 1995-09-21 | 1997-04-04 | Fujitsu Ltd | 双方向光増幅回路 |
JP3739453B2 (ja) * | 1995-11-29 | 2006-01-25 | 富士通株式会社 | 光増幅器及び該光増幅器を備えた光通信システム |
US6025947A (en) * | 1996-05-02 | 2000-02-15 | Fujitsu Limited | Controller which controls a variable optical attenuator to control the power level of a wavelength-multiplexed optical signal when the number of channels are varied |
WO1998038709A1 (fr) * | 1997-02-25 | 1998-09-03 | Hitachi, Ltd. | Emetteur optique, repeteur optique et dispositif d'interconnexion optique |
JPH11238930A (ja) * | 1998-02-20 | 1999-08-31 | Kdd | 光増幅伝送システム及び光増幅中継装置 |
JP3532759B2 (ja) * | 1998-03-11 | 2004-05-31 | 富士通株式会社 | Wdm通信システムにおける中継装置及び同装置の送信レベル制御方法 |
US6317255B1 (en) * | 1998-04-28 | 2001-11-13 | Lucent Technologies Inc. | Method and apparatus for controlling optical signal power in response to faults in an optical fiber path |
WO2000005622A1 (fr) * | 1998-07-23 | 2000-02-03 | The Furukawa Electric Co., Ltd. | Amplificateur raman, repeteur optique et procede d'amplification raman |
JP3527671B2 (ja) * | 1999-04-23 | 2004-05-17 | 富士通株式会社 | ラマン増幅による光伝送パワーの波長特性制御方法、並びに、それを用いた波長多重光通信システムおよび光増幅器 |
DE69941306D1 (de) * | 1999-10-29 | 2009-10-01 | Fujitsu Ltd | Optische übertragungsvorrichtung und optische zwischenverstärkungsvorrichtung |
JP2001223646A (ja) * | 2000-02-07 | 2001-08-17 | Nec Corp | 光増幅中継器とこれを用いた光伝送装置 |
JP2001358392A (ja) * | 2000-06-13 | 2001-12-26 | Oki Electric Ind Co Ltd | 安全光移行制御方法および光ファイバ増幅器 |
WO2002017010A1 (fr) * | 2000-08-25 | 2002-02-28 | Fujitsu Limited | Systeme de communication optique, procede permettant de fournir de la lumiere d'excitation, et amplificateur raman distribue |
JP3904835B2 (ja) * | 2001-01-29 | 2007-04-11 | 株式会社日立製作所 | 光増幅器、光ファイバラマン光増幅器、及び光システム |
JP4651231B2 (ja) * | 2001-07-26 | 2011-03-16 | 富士通株式会社 | 光伝送システム |
JP4467213B2 (ja) * | 2001-08-14 | 2010-05-26 | 富士通株式会社 | 光伝送システム |
US7196838B2 (en) * | 2001-10-03 | 2007-03-27 | Dorsal Networks, Inc. | High density optical packaging |
JP3779193B2 (ja) * | 2001-10-31 | 2006-05-24 | 富士通株式会社 | 光中継装置 |
US7042634B2 (en) * | 2002-03-14 | 2006-05-09 | Nippon Telegraph And Telephone Corporation | Optical amplifier |
KR100567317B1 (ko) * | 2002-05-07 | 2006-04-04 | 한국전자통신연구원 | 이득 제어를 위한 광섬유 증폭 방법 및 그 장치 |
JP2004228715A (ja) * | 2003-01-20 | 2004-08-12 | Fujitsu Ltd | 光伝送システム |
JP2004242114A (ja) * | 2003-02-07 | 2004-08-26 | Nec Corp | 光増幅中継伝送システム |
DE60301482T2 (de) * | 2003-02-18 | 2006-02-23 | Alcatel | Pumpenergiequelle, Verfahren zur Pumpenergieerzeugung für ein optisches Übertragungssystem und ein optisches Übertragungssystem |
JP2004289811A (ja) * | 2003-03-04 | 2004-10-14 | Sumitomo Electric Ind Ltd | 光伝送システム |
CN100487548C (zh) * | 2003-03-13 | 2009-05-13 | 富士通株式会社 | 具有激射光控制功能的光放大器和使用该光放大器的光传输系统 |
WO2005004356A1 (ja) * | 2003-07-04 | 2005-01-13 | Nippon Telegraph And Telephone Corporation | 遠隔励起を用いた光ファイバ通信システム |
US7554721B2 (en) * | 2003-08-01 | 2009-06-30 | Fujitsu Limited | Raman amplifier and Raman amplifier adjustment method |
JP2005141099A (ja) * | 2003-11-07 | 2005-06-02 | Nec Corp | ラマン増幅中継器及びこれを用いた光伝送システム |
JP4198082B2 (ja) * | 2004-03-24 | 2008-12-17 | 富士通株式会社 | 光増幅器の利得モニタ方法および装置 |
US7394995B2 (en) * | 2004-04-01 | 2008-07-01 | Avanex Corporation | System and method for a compact optical receiver with wide dynamic range |
ATE360292T1 (de) * | 2004-12-23 | 2007-05-15 | Alcatel Lucent | Verfahren zur steuerung der verstärkung eines ramanverstärkers |
US7142356B2 (en) * | 2005-02-24 | 2006-11-28 | At&T Corp. | Fast dynamic gain control in an optical fiber amplifier |
CN1874193B (zh) * | 2005-06-03 | 2012-05-23 | 华为技术有限公司 | 实现激光安全保护的方法及光放大器、标识信号加载方法 |
JP4806407B2 (ja) * | 2005-06-20 | 2011-11-02 | 富士通株式会社 | ラマン光増幅器 |
JP5029409B2 (ja) * | 2008-02-14 | 2012-09-19 | 富士通株式会社 | ラマン増幅を用いた光伝送システムおよびその制御方法 |
JP5211800B2 (ja) * | 2008-03-28 | 2013-06-12 | 富士通株式会社 | 光通信システム及び同システムにおける光伝送路の測定方法並びに送信局及び受信局 |
US20100183305A1 (en) * | 2009-01-16 | 2010-07-22 | Xtera Communications, Inc. | Optical communication using coupled optically pumped amplifiers |
US8643941B2 (en) * | 2009-12-14 | 2014-02-04 | Finisar Israel Ltd. | Automatic measurement and gain control of distributed Raman amplifiers |
US20140063592A1 (en) * | 2012-09-05 | 2014-03-06 | Nec Laboratories America, Inc. | 6x28-Gbaud Few-Mode Fiber Recirculating Loop Transmission with Gain-Equalized Inline Few-Mode Fiber Amplifier |
JP6312927B2 (ja) * | 2014-05-14 | 2018-04-18 | ▲華▼▲為▼▲海▼洋▲網▼▲絡▼有限公司 | 光中継器及び光ファイバー通信システム |
-
2014
- 2014-05-14 JP JP2017512080A patent/JP6312927B2/ja not_active Expired - Fee Related
- 2014-05-14 EP EP14891772.7A patent/EP3136623A4/en not_active Ceased
- 2014-05-14 WO PCT/CN2014/077443 patent/WO2015172328A1/zh active Application Filing
- 2014-05-14 CN CN201480072816.3A patent/CN106170933B/zh active Active
-
2016
- 2016-11-14 US US15/350,995 patent/US9876574B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003069812A1 (en) * | 2001-12-27 | 2003-08-21 | Pirelli Submarine Telecom Systems Italia S.P.A. | Optical transmission system with raman amplifiers comprising a supervisory system |
CN101997612A (zh) * | 2009-08-10 | 2011-03-30 | 华为技术有限公司 | 光放大装置及光中继器 |
CN103701522A (zh) * | 2013-11-29 | 2014-04-02 | 武汉光迅科技股份有限公司 | 实现光纤光时域反射探测和光纤光信号放大的装置 |
CN103746283A (zh) * | 2014-01-29 | 2014-04-23 | 广东高聚激光有限公司 | 一种增强光纤激光器泵浦效率的方法及其光纤激光器 |
Also Published As
Publication number | Publication date |
---|---|
JP2017521972A (ja) | 2017-08-03 |
US20170063463A1 (en) | 2017-03-02 |
EP3136623A4 (en) | 2017-04-26 |
JP6312927B2 (ja) | 2018-04-18 |
CN106170933A (zh) | 2016-11-30 |
WO2015172328A1 (zh) | 2015-11-19 |
US9876574B2 (en) | 2018-01-23 |
EP3136623A1 (en) | 2017-03-01 |
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