NO308499B1 - Optisk kommunikasjonssystem med utstyr for optisk forsterkning og utstyr for overvÕking av driftstilstanden - Google Patents

Optisk kommunikasjonssystem med utstyr for optisk forsterkning og utstyr for overvÕking av driftstilstanden Download PDF

Info

Publication number: NO308499B1
Authority: NO; Norway
Prior art keywords: optical; equipment; optical fiber; fiber; light
Prior art date: 1990-06-19

Application number

NO912327A

Other languages

English (en)

Norwegian (no)

Other versions

NO912327L (no

NO912327D0 (no

Inventor

Masayuki Shigematsu

Kohji Nakazao

Izumi Sankawa

Original Assignee

Sumitomo Electric Industries

Nippon Telegraph & Telephone

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.)

1990-06-19

Filing date

1991-06-17

Publication date

2000-09-18

1991-06-17 Application filed by Sumitomo Electric Industries, Nippon Telegraph & Telephone filed Critical Sumitomo Electric Industries

1991-06-17 Publication of NO912327D0 publication Critical patent/NO912327D0/no

1991-12-20 Publication of NO912327L publication Critical patent/NO912327L/no

2000-09-18 Publication of NO308499B1 publication Critical patent/NO308499B1/no

Links

230000003287 optical effect Effects 0.000 title claims description 237
230000006854 communication Effects 0.000 title claims description 55
238000004891 communication Methods 0.000 title claims description 55
238000012544 monitoring process Methods 0.000 title claims description 15
230000003321 amplification Effects 0.000 title description 2
238000003199 nucleic acid amplification method Methods 0.000 title description 2
239000013307 optical fiber Substances 0.000 claims description 131
239000000835 fiber Substances 0.000 claims description 83
230000005540 biological transmission Effects 0.000 claims description 24
239000004065 semiconductor Substances 0.000 claims description 12
239000012212 insulator Substances 0.000 claims description 6
230000008878 coupling Effects 0.000 claims 1
238000010168 coupling process Methods 0.000 claims 1
238000005859 coupling reaction Methods 0.000 claims 1
238000012806 monitoring device Methods 0.000 claims 1
230000008054 signal transmission Effects 0.000 description 11
238000013461 design Methods 0.000 description 9
238000010586 diagram Methods 0.000 description 9
230000002457 bidirectional effect Effects 0.000 description 7
238000005516 engineering process Methods 0.000 description 3
229910052691 Erbium Inorganic materials 0.000 description 2
UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 2
230000002349 favourable effect Effects 0.000 description 2
238000012423 maintenance Methods 0.000 description 2
230000010355 oscillation Effects 0.000 description 2
230000001902 propagating effect Effects 0.000 description 2
230000007175 bidirectional communication Effects 0.000 description 1
230000001427 coherent effect Effects 0.000 description 1
238000010276 construction Methods 0.000 description 1
230000002950 deficient Effects 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000001514 detection method Methods 0.000 description 1
238000011161 development Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
230000009760 functional impairment Effects 0.000 description 1
230000001771 impaired effect Effects 0.000 description 1
238000003780 insertion Methods 0.000 description 1
230000037431 insertion Effects 0.000 description 1
239000000382 optic material Substances 0.000 description 1
230000010287 polarization Effects 0.000 description 1
238000005086 pumping Methods 0.000 description 1
229910052761 rare earth metal Inorganic materials 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1
230000002269 spontaneous effect Effects 0.000 description 1

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
- H04B10/03—Arrangements for fault recovery
- H04B10/038—Arrangements for fault recovery using bypasses
- 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
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
- 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
- H04B10/27—Arrangements for networking
- H04B10/272—Star-type networks or tree-type networks
- 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
- 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

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Electromagnetism (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Computing Systems (AREA)
Optical Communication System (AREA)
Light Guides In General And Applications Therefor (AREA)
Lasers (AREA)

NO912327A 1990-06-19 1991-06-17 Optisk kommunikasjonssystem med utstyr for optisk forsterkning og utstyr for overvÕking av driftstilstanden NO308499B1 (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP02161077A JP3100386B2 (ja)	1990-06-19	1990-06-19	光通信システム

Publications (3)

Publication Number	Publication Date
NO912327D0 NO912327D0 (no)	1991-06-17
NO912327L NO912327L (no)	1991-12-20
NO308499B1 true NO308499B1 (no)	2000-09-18

Family

ID=15728191

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO912327A NO308499B1 (no)	1990-06-19	1991-06-17	Optisk kommunikasjonssystem med utstyr for optisk forsterkning og utstyr for overvÕking av driftstilstanden

Country Status (7)

Country	Link
EP (1)	EP0467080B1 (de)
JP (1)	JP3100386B2 (de)
AU (1)	AU632697B2 (de)
CA (1)	CA2044919C (de)
DE (1)	DE69125065T2 (de)
FI (1)	FI103236B (de)
NO (1)	NO308499B1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB9022681D0 (en) *	1990-10-18	1990-11-28	British Telecomm	Passive optical network
DE69228087T2 (de) *	1991-05-27	1999-08-05	The Furukawa Electric Co., Ltd., Tokio/Tokyo	Optischer Verstärker
IT1279126B1 (it) *	1995-04-18	1997-12-04	Sip	Amplificatore ottico bidirezionale a fibra attiva.
GB9526176D0 (en) *	1995-12-21	1996-02-21	Stc Submarine Systems Ltd	System fibre break detection in systems using ropas
JPH09261187A (ja) *	1996-03-19	1997-10-03	Fujitsu Ltd	無中継光伝送システムのリモートアンプおよび障害点標定方法
JP3107033B2 (ja) *	1998-03-09	2000-11-06	日本電気株式会社	光増幅装置とこれを含む光伝送装置の伝送路破断点検出方法および光増幅装置を用いた双方向波長多重光伝送装置
US9410866B2 (en)	2012-08-29	2016-08-09	Telefonaktiebolaget L M Ericsson (Publ)	Device for monitoring an optical fibre
BR112013023723A2 (pt) *	2013-03-05	2016-12-13	Ericsson Telecomunicações S A	disposição de amplificador óptico
EP2819321A1 (de) *	2013-06-27	2014-12-31	Alcatel Lucent	Paketoptischer Add-Drop-Multiplex-Knoten für ein optisches Ringnetzwerk
JP7424391B2 (ja) *	2019-12-04	2024-01-30	日本電気株式会社	光ファイバセンシングシステム、中継装置及びセンシング方法
JPWO2024214272A1 (de) *	2023-04-14	2024-10-17

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS581859B2 (ja) *	1975-02-14	1983-01-13	株式会社日立製作所	ヒカリチユウケイキ
JPS56140257U (de) *	1980-03-24	1981-10-23
JPS5991745A (ja) *	1982-11-18	1984-05-26	Yamatake Honeywell Co Ltd	光通信用結合装置
JPS59188249A (ja) *	1984-03-22	1984-10-25	Hitachi Ltd	光中継増幅器
JPH021631A (ja) *	1988-06-09	1990-01-05	Fujitsu Ltd	光ケーブル通信方式

1990
- 1990-06-19 JP JP02161077A patent/JP3100386B2/ja not_active Expired - Lifetime
1991
- 1991-06-17 NO NO912327A patent/NO308499B1/no not_active IP Right Cessation
- 1991-06-18 AU AU78488/91A patent/AU632697B2/en not_active Ceased
- 1991-06-18 CA CA002044919A patent/CA2044919C/en not_active Expired - Fee Related
- 1991-06-18 DE DE69125065T patent/DE69125065T2/de not_active Expired - Fee Related
- 1991-06-18 FI FI912962A patent/FI103236B/fi active
- 1991-06-18 EP EP91109963A patent/EP0467080B1/de not_active Expired - Lifetime

Also Published As

Publication number	Publication date
FI103236B1 (fi)	1999-05-14
EP0467080A1 (de)	1992-01-22
NO912327L (no)	1991-12-20
AU632697B2 (en)	1993-01-07
CA2044919C (en)	1996-06-11
FI912962A7 (fi)	1991-12-20
AU7848891A (en)	1992-01-02
DE69125065D1 (de)	1997-04-17
EP0467080B1 (de)	1997-03-12
JPH0451620A (ja)	1992-02-20
CA2044919A1 (en)	1991-12-20
FI912962A0 (fi)	1991-06-18
DE69125065T2 (de)	1997-06-19
FI103236B (fi)	1999-05-14
NO912327D0 (no)	1991-06-17
JP3100386B2 (ja)	2000-10-16

Legal Events

Date	Code	Title	Description
2003-02-10	MM1K	Lapsed by not paying the annual fees	Free format text: LAPSED IN DECEMBER 2003

Publication	Publication Date	Title
US7103275B2 (en)	2006-09-05	Optical transmission system
CA2021706C (en)	1995-11-21	Optical fiber telecommunication line including amplifiers distributed along the line for the transmitted signals
US5214728A (en)	1993-05-25	Light communication system
EP0847158A2 (de)	1998-06-10	Vorrichtung zum optischen Wellenlängen-Multiplexen und Demultiplexen und optisches Nachrichtenübertragungssystem, das diese verwendet
HU208599B (en)	1993-11-29	Optical signal transmission line of light conductor
CN1157010C (zh)	2004-07-07	光通信系统中的线路监测
NO308499B1 (no)	2000-09-18	Optisk kommunikasjonssystem med utstyr for optisk forsterkning og utstyr for overvÕking av driftstilstanden
JP3597267B2 (ja)	2004-12-02	冗長性を有する光中継器
JP4492227B2 (ja)	2010-06-30	光伝送システム、該システムに用いられる励起光源停止装置及び励起光源停止方法
US6934078B2 (en)	2005-08-23	Dispersion-compensated erbium-doped fiber amplifier
WO2019168099A1 (ja)	2019-09-06	光中継器、伝送路ファイバの監視方法、及び光伝送システム
US11329445B2 (en)	2022-05-10	Optical amplifier, optical transmission system, and optical cable failure part measurement method
US6472655B1 (en)	2002-10-29	Remote amplifier for an optical transmission system and method of evaluating a faulty point
US6023543A (en)	2000-02-08	Bidirectional optical link, and device for amplifying such link
AU672631B2 (en)	1996-10-10	Optical communication system
AU752286B2 (en)	2002-09-12	Improvement in the reliability of an optical communication system and of an optical amplifying system, and a method suitable to this aim
US20010021044A1 (en)	2001-09-13	Method for monitoring optical transmission path and optical fiber amplification repeater used in the method
JP3591494B2 (ja)	2004-11-17	光直接増幅装置
EP0878927B1 (de)	2005-03-16	Zuverlässigkeitsverbesserung eines optischen Übertragungssystems und Verfahren geeignet dafür
JPH05284114A (ja)	1993-10-29	光中継器監視装置
KR20020094815A (ko)	2002-12-18	양방향 광 선로쌍에서의 양방향 광 증폭기
JPH0437227A (ja)	1992-02-07	光伝送網及びその監視方法
JPH0481135A (ja)	1992-03-13	光伝送路
JPH02281826A (ja)	1990-11-19	光信号折り返し方式
KR19980059168A (ko)	1998-10-07	양방향성 광섬유증폭기