CN1655480B - 光分路插入复用装置 - Google Patents
光分路插入复用装置 Download PDFInfo
- Publication number
- CN1655480B CN1655480B CN2004100696847A CN200410069684A CN1655480B CN 1655480 B CN1655480 B CN 1655480B CN 2004100696847 A CN2004100696847 A CN 2004100696847A CN 200410069684 A CN200410069684 A CN 200410069684A CN 1655480 B CN1655480 B CN 1655480B
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- optical
- light signal
- wavelength
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- 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
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- 230000003287 optical effect Effects 0.000 title claims abstract description 202
- 230000005540 biological transmission Effects 0.000 claims abstract description 71
- 239000013307 optical fiber Substances 0.000 claims description 66
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 230000000243 photosynthetic effect Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 abstract description 70
- 230000002457 bidirectional effect Effects 0.000 abstract 1
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0215—Architecture aspects
- H04J14/0216—Bidirectional architectures
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0215—Architecture aspects
- H04J14/0217—Multi-degree architectures, e.g. having a connection degree greater than two
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Abstract
Description
Claims (7)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-033151 | 2004-02-10 | ||
JP2004033151A JP4713837B2 (ja) | 2004-02-10 | 2004-02-10 | 光分岐挿入多重化装置 |
JP2004033151 | 2004-02-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1655480A CN1655480A (zh) | 2005-08-17 |
CN1655480B true CN1655480B (zh) | 2010-09-01 |
Family
ID=34824246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2004100696847A Expired - Fee Related CN1655480B (zh) | 2004-02-10 | 2004-07-19 | 光分路插入复用装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7903975B2 (zh) |
JP (1) | JP4713837B2 (zh) |
CN (1) | CN1655480B (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4661027B2 (ja) * | 2003-04-22 | 2011-03-30 | 富士通株式会社 | 雑音光除去装置 |
KR100584386B1 (ko) * | 2004-07-30 | 2006-05-26 | 삼성전자주식회사 | 양방향 광 애드-드롭 다중화기 |
JP4599613B2 (ja) * | 2005-08-31 | 2010-12-15 | 日本電信電話株式会社 | 光分岐挿入スイッチ |
CN1972167B (zh) * | 2005-11-23 | 2011-02-16 | 华为技术有限公司 | 点对多点接入网及增强其安全性的方法和分支/耦合器 |
CA2833624C (en) * | 2011-04-22 | 2016-07-26 | Huawei Technologies Co., Ltd. | Optical transceiver apparatus and wavelength division multiplexing passive optical network system |
US9654246B2 (en) * | 2014-11-21 | 2017-05-16 | Nec Corporation | Low cost secure submarine ROADM branching unit using bidirectional wavelength-selective switch |
US10374742B2 (en) * | 2017-02-15 | 2019-08-06 | Finisar Corporation | Bidirectional optical communication with minimal guard band |
WO2023148879A1 (ja) * | 2022-02-03 | 2023-08-10 | 日本電信電話株式会社 | 光通信システム、張出局及び通信方法 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2682239B1 (fr) * | 1991-10-04 | 1994-11-04 | Cit Alcatel | Systeme de transmission bidirectionnelle, notamment par fibre optique, avec une porteuse unique pour les deux sens de transmission. |
DE69534360D1 (de) * | 1994-02-17 | 2005-09-08 | Toshiba Kk | Zentrale Quelle von mehreren Wellenlängen |
FR2720883B1 (fr) * | 1994-06-07 | 1997-01-10 | Cit Alcatel | Multiplexeur spectral optique à insertion-extraction. |
JP4041177B2 (ja) | 1996-07-09 | 2008-01-30 | 富士通株式会社 | 光分岐挿入装置及び光分岐挿入装置を有する光伝送システム |
JP3562610B2 (ja) * | 1996-12-18 | 2004-09-08 | 日本電信電話株式会社 | 光周波数アッド・ドロップ回路およびそれを用いた光周波数多重ネットワーク |
JP3909946B2 (ja) * | 1998-01-30 | 2007-04-25 | 富士通株式会社 | 双方向波長スイッチ及び光合分波装置 |
JPH11218728A (ja) * | 1998-01-30 | 1999-08-10 | Fujitsu Ltd | 音響光学チュウナブルフィルタの遠隔制御装置並びに音響光学チュウナブルフィルタを用いた等化器を有する光伝送システム及び音響光学チュウナブルフィルタを用いた光合分波器を有する光伝送システム |
JP3995781B2 (ja) * | 1998-02-02 | 2007-10-24 | 富士通株式会社 | 波長選択フィルタを用いた光分岐・挿入装置及び光分岐装置 |
US6519064B1 (en) * | 1998-06-19 | 2003-02-11 | Lucent Technologies Inc. | Scalable add/drop architecture for lightwave communication system |
EP1098219A4 (en) * | 1998-07-01 | 2005-02-09 | Nec Corp | MATRIX OPTICAL SWITCH AND OPTICAL MULTIPLEXER WITH INSERTION-EXTRACTION |
CN1267757C (zh) * | 1999-09-08 | 2006-08-02 | 康宁股份有限公司 | 混合集成的光添加/去除多路复用器 |
JP2001103007A (ja) * | 1999-10-01 | 2001-04-13 | Nippon Telegr & Teleph Corp <Ntt> | 光アッド・ドロップ・マルチプレクサ |
JP2001127705A (ja) * | 1999-10-26 | 2001-05-11 | Nec Corp | 光分岐多重装置 |
JP2001177476A (ja) * | 1999-12-20 | 2001-06-29 | Sumitomo Electric Ind Ltd | 双方向光admおよび光通信システム |
KR100357627B1 (ko) * | 2001-01-09 | 2002-10-25 | 삼성전자 주식회사 | 양방향 파장 분할 다중 광전송 시스템 |
JP2002208895A (ja) * | 2001-01-10 | 2002-07-26 | Fujitsu Ltd | 光アッド/ドロップ装置 |
KR100387072B1 (ko) * | 2001-02-23 | 2003-06-12 | 삼성전자주식회사 | 양방향 광증폭 모듈 |
JP2003143077A (ja) * | 2001-10-31 | 2003-05-16 | Nippon Telegr & Teleph Corp <Ntt> | 光伝送システムおよびそれに用いる光信号変調装置 |
JP3799266B2 (ja) * | 2001-11-15 | 2006-07-19 | 富士通株式会社 | 誘導ブリリュアン散乱を利用した雑音光除去方法、雑音光除去装置および光伝送システム |
US6999681B2 (en) * | 2002-01-23 | 2006-02-14 | Pts Corporation | Method of seamless migration from static to agile optical networking |
US20040208584A1 (en) * | 2002-01-29 | 2004-10-21 | Keller Robert C. | Reconfigurable optical add-drop multiplexer using an analog mirror device |
US6868201B1 (en) * | 2002-03-22 | 2005-03-15 | Nortel Networks Limited | Reconfigurable WDM mux/demux/OADM |
KR20040099921A (ko) * | 2003-05-20 | 2004-12-02 | 삼성전자주식회사 | 재구성 가능한 애드/드롭 모듈 |
US20050226620A1 (en) * | 2004-04-05 | 2005-10-13 | Feuer Mark D | Four-port wavelength-selective crossbar switches (4WCS) using reciprocal WDM mux-demux and optical circulator combination |
-
2004
- 2004-02-10 JP JP2004033151A patent/JP4713837B2/ja not_active Expired - Fee Related
- 2004-07-12 US US10/888,016 patent/US7903975B2/en not_active Expired - Fee Related
- 2004-07-19 CN CN2004100696847A patent/CN1655480B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP4713837B2 (ja) | 2011-06-29 |
CN1655480A (zh) | 2005-08-17 |
JP2005229165A (ja) | 2005-08-25 |
US7903975B2 (en) | 2011-03-08 |
US20050175041A1 (en) | 2005-08-11 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: HITACHI CO., LTD. Free format text: FORMER OWNER: HITACHI COMMUNICATION TECHNOLOGIES LTD. Effective date: 20100323 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20100323 Address after: Tokyo, Japan, Japan Applicant after: Hitachi Ltd. Address before: Tokyo, Japan Applicant before: Hitachi Communications Technology Co., Ltd. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100901 Termination date: 20140719 |
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EXPY | Termination of patent right or utility model |