DE69122766T2 - Optisches netzwerk - Google Patents
Optisches netzwerkInfo
- Publication number
- DE69122766T2 DE69122766T2 DE69122766T DE69122766T DE69122766T2 DE 69122766 T2 DE69122766 T2 DE 69122766T2 DE 69122766 T DE69122766 T DE 69122766T DE 69122766 T DE69122766 T DE 69122766T DE 69122766 T2 DE69122766 T2 DE 69122766T2
- Authority
- DE
- Germany
- Prior art keywords
- optical network
- network
- optical
- 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 - Fee Related
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
- H04B10/293—Signal power control
- H04B10/2933—Signal power control considering the whole optical path
- H04B10/2939—Network aspects
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB909025207A GB9025207D0 (en) | 1990-11-20 | 1990-11-20 | An optical network |
PCT/GB1991/002052 WO1992009150A1 (en) | 1990-11-20 | 1991-11-20 | An optical network |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69122766D1 DE69122766D1 (de) | 1996-11-21 |
DE69122766T2 true DE69122766T2 (de) | 1997-03-20 |
Family
ID=10685675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69122766T Expired - Fee Related DE69122766T2 (de) | 1990-11-20 | 1991-11-20 | Optisches netzwerk |
Country Status (8)
Country | Link |
---|---|
US (1) | US5416864A (de) |
EP (1) | EP0558558B1 (de) |
JP (1) | JP3351522B2 (de) |
CA (1) | CA2095113C (de) |
DE (1) | DE69122766T2 (de) |
GB (1) | GB9025207D0 (de) |
HK (1) | HK109897A (de) |
WO (1) | WO1992009150A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2281463B (en) * | 1993-08-23 | 1998-01-28 | Northern Telecom Ltd | Optical transmission system |
CN1037735C (zh) * | 1993-11-11 | 1998-03-11 | 深圳大学新技术研究中心 | 带有双光栅的光纤放大器 |
DE4411063A1 (de) * | 1994-03-30 | 1995-10-05 | Sel Alcatel Ag | Verfahren zur Bestimmung der Dispersionsnullstelle eines Lichtwellenleiters |
US5563733A (en) * | 1994-08-25 | 1996-10-08 | Matsushita Electric Industrial Co., Ltd. | Optical fiber amplifier and optical fiber transmission system |
US5539850A (en) * | 1994-12-30 | 1996-07-23 | At&T Corp. | Polarization and wavelength independent optical waveguide tap |
SE504278C2 (sv) * | 1995-02-22 | 1996-12-23 | Telia Ab | Dämpningsfri optisk förbindelse |
US5694500A (en) * | 1995-10-23 | 1997-12-02 | The Regents Of The University Of California | Optical amplifier operating at 1.3 microns useful for telecommunications and based on dysprosium-doped metal chloride host materials |
JP3860278B2 (ja) | 1997-03-13 | 2006-12-20 | 富士通株式会社 | 遠隔励起方式の波長多重光伝送システム |
US6868237B2 (en) | 1998-04-24 | 2005-03-15 | Lightpointe Communications, Inc. | Terrestrial optical communication network of integrated fiber and free-space links which requires no electro-optical conversion between links |
US6239888B1 (en) | 1998-04-24 | 2001-05-29 | Lightpointe Communications, Inc. | Terrestrial optical communication network of integrated fiber and free-space links which requires no electro-optical conversion between links |
US6763195B1 (en) | 2000-01-13 | 2004-07-13 | Lightpointe Communications, Inc. | Hybrid wireless optical and radio frequency communication link |
US6889009B2 (en) * | 2001-04-16 | 2005-05-03 | Lightpointe Communications, Inc. | Integrated environmental control and management system for free-space optical communication systems |
US20020171896A1 (en) * | 2001-05-21 | 2002-11-21 | Lightpointe Communications, Inc. | Free-space optical communication system employing wavelength conversion |
EP1421421A4 (de) * | 2001-07-20 | 2005-10-05 | Essex Corp | Verfahren und vorrichtung zur optischen signalverarbeitung unter verwendung einer optischen abgegriffenen verzögerungsleitung |
US20030090765A1 (en) * | 2001-11-09 | 2003-05-15 | Neff Brian W. | Free-space optical communication system |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4515431A (en) * | 1982-08-11 | 1985-05-07 | The Board Of Trustees Of The Leland Stanford Junior University | Fiber optic amplifier |
US4546476A (en) * | 1982-12-10 | 1985-10-08 | The Board Of Trustees Of The Leland Stanford Junior University | Fiber optic amplifier |
IT1215681B (it) * | 1988-01-12 | 1990-02-22 | Pirelli General Plc | Amplificazione di segnali ottici. |
US5224116A (en) * | 1989-03-08 | 1993-06-29 | Bt&D Technologies Ltd. | Laser amplifier |
EP0408394A1 (de) * | 1989-07-13 | 1991-01-16 | BRITISH TELECOMMUNICATIONS public limited company | Optisches Übertragungsnetzwerk |
US4963832A (en) * | 1989-08-08 | 1990-10-16 | At&T Bell Laboratories | Erbium-doped fiber amplifier coupling device |
GB8928237D0 (en) * | 1989-12-14 | 1990-02-21 | British Telecomm | Lossless optical component |
DE4014034A1 (de) * | 1990-05-02 | 1991-11-07 | Standard Elektrik Lorenz Ag | Optischer verstaerker |
US5115338A (en) * | 1990-05-30 | 1992-05-19 | At&T Bell Laboratories | Multi-stage optical amplifier |
JP3190036B2 (ja) * | 1990-10-24 | 2001-07-16 | 住友電気工業株式会社 | ファイバ増幅器及びファイバレーザ |
DE4214766A1 (de) * | 1992-05-04 | 1993-11-11 | Sel Alcatel Ag | Faseroptischer Verstärker mit rückwirkungsunempfindlichem Pumplaser |
JPH05310440A (ja) * | 1992-05-08 | 1993-11-22 | Matsushita Electric Ind Co Ltd | 光ファイバ、光増幅器、光伝送システム及び固体レーザ |
-
1990
- 1990-11-20 GB GB909025207A patent/GB9025207D0/en active Pending
-
1991
- 1991-11-20 DE DE69122766T patent/DE69122766T2/de not_active Expired - Fee Related
- 1991-11-20 EP EP91920133A patent/EP0558558B1/de not_active Expired - Lifetime
- 1991-11-20 JP JP51840791A patent/JP3351522B2/ja not_active Expired - Fee Related
- 1991-11-20 WO PCT/GB1991/002052 patent/WO1992009150A1/en active IP Right Grant
- 1991-11-20 CA CA002095113A patent/CA2095113C/en not_active Expired - Fee Related
- 1991-11-20 US US08/050,163 patent/US5416864A/en not_active Expired - Lifetime
-
1997
- 1997-06-26 HK HK109897A patent/HK109897A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0558558B1 (de) | 1996-10-16 |
EP0558558A1 (de) | 1993-09-08 |
JPH06502750A (ja) | 1994-03-24 |
CA2095113A1 (en) | 1992-05-21 |
JP3351522B2 (ja) | 2002-11-25 |
DE69122766D1 (de) | 1996-11-21 |
CA2095113C (en) | 1998-05-05 |
WO1992009150A1 (en) | 1992-05-29 |
GB9025207D0 (en) | 1991-01-02 |
HK109897A (en) | 1997-08-22 |
US5416864A (en) | 1995-05-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69128133T2 (de) | Fernmeldenetz | |
DE69132083T2 (de) | Optisches system | |
DE69123381T2 (de) | Optisches Abtastgerät | |
DE69115815T2 (de) | Optisches Nachrichtenübertragungsgerät | |
DE69123354D1 (de) | Optisches übertragungssystem | |
DE69128814T2 (de) | Fernmeldesystem | |
DE69520227D1 (de) | Optisches netzwerk | |
DE69123386D1 (de) | Optischer Rotator | |
DE69116396D1 (de) | Optischer Koppler | |
DE69119564T2 (de) | Optisches Abtastgerät | |
DE69129590T2 (de) | Optisches kommunikationssystem | |
DE69122766T2 (de) | Optisches netzwerk | |
KR920006749U (ko) | 섬유 식별기 | |
FI914335A0 (fi) | Hartsbelaeggningsanordning foer optisk fiber | |
DE69118829D1 (de) | Optisches Abtastgerät | |
DE69128312D1 (de) | Optisches Abtastgerät | |
FI912087A0 (fi) | Optisk foerstaerkare. | |
FI914579A (fi) | Optisk stroemtransformator. | |
NO914147L (no) | Telekommunikasjonsnett | |
FI103236B1 (fi) | Valoviestintäjärjestelmä | |
FI911991A0 (fi) | Optisk anordning. | |
DE69124662D1 (de) | Optischer Empfänger | |
DE59207849D1 (de) | Optisches Nachrichtennetz | |
FI902883A0 (fi) | Optisk reflexionsgivare. | |
DE69414976D1 (de) | Optisches lokales Netzwerk |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |