CN1153393C - 用于波分多路复用光通信网络的信号监控装置 - Google Patents
用于波分多路复用光通信网络的信号监控装置 Download PDFInfo
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- CN1153393C CN1153393C CNB991003179A CN99100317A CN1153393C CN 1153393 C CN1153393 C CN 1153393C CN B991003179 A CNB991003179 A CN B991003179A CN 99100317 A CN99100317 A CN 99100317A CN 1153393 C CN1153393 C CN 1153393C
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- 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
-
- 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
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
-
- 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
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
- H04B10/07955—Monitoring or measuring power
-
- 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
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/03—WDM arrangements
- H04J14/0305—WDM arrangements in end terminals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20459/98 | 1998-06-02 | ||
KR20459/1998 | 1998-06-02 | ||
KR1019980020459A KR100295810B1 (ko) | 1998-06-02 | 1998-06-02 | 파장분할다중방식광전송망채널감시시스템 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1237840A CN1237840A (zh) | 1999-12-08 |
CN1153393C true CN1153393C (zh) | 2004-06-09 |
Family
ID=19538198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB991003179A Expired - Fee Related CN1153393C (zh) | 1998-06-02 | 1999-01-20 | 用于波分多路复用光通信网络的信号监控装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6441933B1 (zh) |
KR (1) | KR100295810B1 (zh) |
CN (1) | CN1153393C (zh) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
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US6714739B1 (en) * | 1999-06-07 | 2004-03-30 | Corvis Corporation | Optical transmission systems and optical receivers and receiving methods for use therein |
US6853654B2 (en) * | 1999-07-27 | 2005-02-08 | Intel Corporation | Tunable external cavity laser |
US6847661B2 (en) * | 1999-09-20 | 2005-01-25 | Iolon, Inc. | Tunable laser with microactuator |
US6856632B1 (en) * | 1999-09-20 | 2005-02-15 | Iolon, Inc. | Widely tunable laser |
GB2361057B (en) * | 2000-04-06 | 2002-06-26 | Marconi Comm Ltd | Optical signal monitor |
JP3829910B2 (ja) * | 2000-06-29 | 2006-10-04 | 横河電機株式会社 | 波長多重信号光の解析方法及びその装置 |
US7120176B2 (en) * | 2000-07-27 | 2006-10-10 | Intel Corporation | Wavelength reference apparatus and method |
US6795607B1 (en) * | 2000-10-11 | 2004-09-21 | Ciena Corporation | Use of tunable laser for optical performance monitoring in WDM system |
GB2371698A (en) * | 2001-01-24 | 2002-07-31 | Marconi Comm Ltd | Consolidating optical communication channels to occupy less bandwidth |
US6816516B2 (en) | 2001-03-21 | 2004-11-09 | Intel Corporation | Error signal generation system |
US6658031B2 (en) * | 2001-07-06 | 2003-12-02 | Intel Corporation | Laser apparatus with active thermal tuning of external cavity |
US7848660B1 (en) * | 2001-06-20 | 2010-12-07 | Cisco Technology, Inc. | VSB transmitter using locked filter |
US6901088B2 (en) * | 2001-07-06 | 2005-05-31 | Intel Corporation | External cavity laser apparatus with orthogonal tuning of laser wavelength and cavity optical pathlength |
US6788724B2 (en) * | 2001-07-06 | 2004-09-07 | Intel Corporation | Hermetically sealed external cavity laser system and method |
US6804278B2 (en) | 2001-07-06 | 2004-10-12 | Intel Corporation | Evaluation and adjustment of laser losses according to voltage across gain medium |
US6822979B2 (en) * | 2001-07-06 | 2004-11-23 | Intel Corporation | External cavity laser with continuous tuning of grid generator |
KR100765001B1 (ko) * | 2001-07-10 | 2007-10-09 | 엘지노텔 주식회사 | 다중채널용 광파장 안정화장치 |
US6836349B2 (en) | 2001-12-07 | 2004-12-28 | Jds Uniphase Corporation | Optical performance monitoring device |
JP3986824B2 (ja) * | 2001-12-28 | 2007-10-03 | 富士通株式会社 | 光フィルタの制御方法及び制御装置並びに光ノード装置 |
US7230959B2 (en) * | 2002-02-22 | 2007-06-12 | Intel Corporation | Tunable laser with magnetically coupled filter |
CA2411792A1 (en) * | 2002-03-18 | 2003-09-18 | Dicos Technologies Inc. | Absolutely calibrated periodic filters and sources |
US6845121B2 (en) * | 2002-06-15 | 2005-01-18 | Intel Corporation | Optical isolator apparatus and methods |
US6763047B2 (en) * | 2002-06-15 | 2004-07-13 | Intel Corporation | External cavity laser apparatus and methods |
JP4211918B2 (ja) | 2003-02-27 | 2009-01-21 | 富士通株式会社 | 光通信システム |
JP4265918B2 (ja) * | 2003-02-27 | 2009-05-20 | 富士通株式会社 | 光伝送装置 |
US20040264981A1 (en) * | 2003-06-25 | 2004-12-30 | Tyco Telecommunications (Us) Inc. | Wavelength monitoring and control system |
US7269356B2 (en) * | 2003-07-09 | 2007-09-11 | Lucent Technologies Inc. | Optical device with tunable coherent receiver |
KR100710451B1 (ko) * | 2004-08-04 | 2007-04-24 | 한국표준과학연구원 | 국제통신연합 표준 채널 그리드에 맞는 주파수를 가지는표준광원 수득방법 |
KR100688325B1 (ko) * | 2005-01-20 | 2007-03-02 | 충남대학교산학협력단 | 더블유디엠-피오엔 광선로 감시장치 및 감시방법 |
WO2010050921A1 (en) * | 2008-10-31 | 2010-05-06 | Hewlett-Packard Development Company, L.P. | Prioritized optical arbitration systems and methods |
US8433192B2 (en) * | 2008-12-08 | 2013-04-30 | Ciena Corporation | Dynamic performance monitoring systems and methods for optical networks |
US9490894B2 (en) * | 2008-12-08 | 2016-11-08 | Ciena Corporation | Coherent probe and optical service channel systems and methods for optical networks |
US8744262B2 (en) * | 2009-12-08 | 2014-06-03 | Vello Systems, Inc. | Optical subchannel routing, protection switching and security |
JP5757133B2 (ja) * | 2011-03-30 | 2015-07-29 | 日本電気株式会社 | 波長多重伝送装置、その波長設定方法、および波長多重伝送システム |
US9794019B2 (en) | 2011-04-28 | 2017-10-17 | Hewlett Packard Enterprise Development Lp | Prioritized optical arbitration systems and methods |
CN102291173B (zh) * | 2011-06-13 | 2014-12-24 | 太原理工大学 | 一种无源光网络故障检测装置及其检测方法 |
US8787767B2 (en) | 2012-02-03 | 2014-07-22 | Raytheon Company | High-speed low-jitter communication system |
US9819436B2 (en) | 2013-08-26 | 2017-11-14 | Coriant Operations, Inc. | Intranodal ROADM fiber management apparatuses, systems, and methods |
WO2015180006A1 (zh) * | 2014-05-26 | 2015-12-03 | 华为技术有限公司 | 一种光信号的处理方法和装置 |
JP2016036091A (ja) * | 2014-08-04 | 2016-03-17 | 富士通株式会社 | 伝送装置および光ネットワークシステム |
WO2016139933A1 (ja) | 2015-03-04 | 2016-09-09 | 日本電気株式会社 | 光信号監視装置、光波長多重伝送装置および光信号監視方法 |
US9967048B1 (en) * | 2016-10-14 | 2018-05-08 | Juniper Networks, Inc. | Optical transceiver with external laser source |
CN109981180B (zh) * | 2019-03-15 | 2020-06-30 | 武汉电信器件有限公司 | 一种波长锁定光模块、装置和波长锁定方法 |
US11387908B2 (en) * | 2019-11-29 | 2022-07-12 | Solid, Inc. | Optical transceiver |
KR102416821B1 (ko) * | 2021-08-09 | 2022-07-05 | 강정규 | Tdd로 전송하는 다채널 파장 분할 다중화 시스템에서 인접 채널 광 신호 누설 감지 교정 장치 및 이의 실행 방법 |
KR102416849B1 (ko) * | 2021-08-09 | 2022-07-05 | 강정규 | 다채널 파장 분할 다중화 시스템에서 인접 채널 광 신호 누설 감지 교정 장치 및 이의 실행 방법 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5434877A (en) | 1994-01-27 | 1995-07-18 | At&T Corp. | Synchronized etalon filters |
US5617234A (en) | 1994-09-26 | 1997-04-01 | Nippon Telegraph & Telephone Corporation | Multiwavelength simultaneous monitoring circuit employing arrayed-waveguide grating |
JP2723067B2 (ja) * | 1995-03-14 | 1998-03-09 | 日本電気株式会社 | 光増幅装置 |
US5777763A (en) | 1996-01-16 | 1998-07-07 | Bell Communications Research, Inc. | In-line optical wavelength reference and control module |
US5825792A (en) | 1996-07-11 | 1998-10-20 | Northern Telecom Limited | Wavelength monitoring and control assembly for WDM optical transmission systems |
US5793909A (en) | 1996-09-09 | 1998-08-11 | Lucent Technologies Inc. | Optical monitoring and test access module |
US5796479A (en) | 1997-03-27 | 1998-08-18 | Hewlett-Packard Company | Signal monitoring apparatus for wavelength division multiplexed optical telecommunication networks |
-
1998
- 1998-06-02 KR KR1019980020459A patent/KR100295810B1/ko not_active IP Right Cessation
- 1998-12-31 US US09/223,930 patent/US6441933B1/en not_active Expired - Lifetime
-
1999
- 1999-01-20 CN CNB991003179A patent/CN1153393C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1237840A (zh) | 1999-12-08 |
KR20000000695A (ko) | 2000-01-15 |
US6441933B1 (en) | 2002-08-27 |
KR100295810B1 (ko) | 2001-10-26 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: LG ELECTRONIC CO., LTD. Free format text: FORMER NAME OR ADDRESS: LG INFORMATION + COMMUNICATIONS LTD. |
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CP03 | Change of name, title or address |
Address after: Seoul, South Kerean Patentee after: LG Electronics Inc. Address before: Seoul, South Korea Patentee before: LG Information & Communications, Ltd. |
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ASS | Succession or assignment of patent right |
Owner name: LG- NORTEL CO., LTD. Free format text: FORMER OWNER: LG ELECTRONIC CO., LTD. Effective date: 20061110 |
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Effective date of registration: 20061110 Address after: Seoul, South Kerean Patentee after: LG Nortel Co., Ltd. Address before: Seoul, South Kerean Patentee before: LG Electronics Inc. |
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C56 | Change in the name or address of the patentee |
Owner name: LG-ERICSSON CO., LTD. Free format text: FORMER NAME: LG-NORTEL CO., LTD. |
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CP01 | Change in the name or title of a patent holder |
Address after: Seoul, South Kerean Patentee after: Novera Optics Korea Co., Ltd. Address before: Seoul, South Kerean Patentee before: LG Nortel Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040609 Termination date: 20150120 |
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