DE602004008684D1 - Optisches Kommunikationssystem - Google Patents
Optisches KommunikationssystemInfo
- Publication number
- DE602004008684D1 DE602004008684D1 DE602004008684T DE602004008684T DE602004008684D1 DE 602004008684 D1 DE602004008684 D1 DE 602004008684D1 DE 602004008684 T DE602004008684 T DE 602004008684T DE 602004008684 T DE602004008684 T DE 602004008684T DE 602004008684 D1 DE602004008684 D1 DE 602004008684D1
- Authority
- DE
- Germany
- Prior art keywords
- communication system
- optical communication
- optical
- communication
- 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 - Lifetime
Links
- 230000003287 optical effect Effects 0.000 title 1
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
- H04J14/0202—Arrangements therefor
- H04J14/0205—Select and combine arrangements, e.g. with an optical combiner at the output after adding or dropping
-
- 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
- H04B10/50—Transmitters
- H04B10/572—Wavelength control
-
- 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
- H04J14/0202—Arrangements therefor
- H04J14/0204—Broadcast and select arrangements, e.g. with an optical splitter at the input before adding or dropping
-
- 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
- H04J14/0202—Arrangements therefor
- H04J14/0209—Multi-stage arrangements, e.g. by cascading multiplexers or demultiplexers
-
- 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
- H04J14/0202—Arrangements therefor
- H04J14/021—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM]
-
- 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
- H04J14/0202—Arrangements therefor
- H04J14/0213—Groups of channels or wave bands arrangements
-
- 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
- H04J14/022—For interconnection of WDM optical networks
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003051741A JP4265918B2 (ja) | 2003-02-27 | 2003-02-27 | 光伝送装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602004008684D1 true DE602004008684D1 (de) | 2007-10-18 |
Family
ID=32767811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602004008684T Expired - Lifetime DE602004008684D1 (de) | 2003-02-27 | 2004-02-26 | Optisches Kommunikationssystem |
Country Status (4)
Country | Link |
---|---|
US (1) | US7366426B2 (de) |
EP (1) | EP1453235B1 (de) |
JP (1) | JP4265918B2 (de) |
DE (1) | DE602004008684D1 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4211918B2 (ja) * | 2003-02-27 | 2009-01-21 | 富士通株式会社 | 光通信システム |
WO2006080074A1 (ja) | 2005-01-27 | 2006-08-03 | Fujitsu Limited | 波長選択装置および波長選択方法 |
JP2006330515A (ja) | 2005-05-27 | 2006-12-07 | Fujitsu Ltd | 音響光学型チューナブルフィルタ制御装置、および波長選択方法 |
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 |
US7903973B1 (en) | 2005-12-23 | 2011-03-08 | Lockheed Martin Corporation | Dynamic temporal duration optical transmission privacy |
US7792427B1 (en) | 2006-01-30 | 2010-09-07 | Lockheed Martin Corporation | Optical code division multiple access data storage and retrieval |
US7991288B1 (en) * | 2006-02-07 | 2011-08-02 | Lockheed Martin Corporation | Optical code division multiple access data storage encryption and retrieval |
EP2388935A1 (de) * | 2010-05-19 | 2011-11-23 | Nokia Siemens Networks Oy | Optische Netzwerkeinheit, Verfahren zur Datenverarbeitung in einem optischen Netzwerk und Kommunikationssystem |
US9002194B2 (en) | 2012-04-09 | 2015-04-07 | Telefonaktiebolaget L M Ericsson (Publ) | Optical-layer multipath protection for optical network |
US9252912B2 (en) | 2012-04-09 | 2016-02-02 | Telefonaktiebolaget L M Ericsson (Publ) | Method for routing and spectrum assignment |
US8929738B2 (en) | 2012-05-30 | 2015-01-06 | Telefonaktiebolaget L M Ericsson (Publ) | Resilience in an access subnetwork ring |
US9112635B2 (en) * | 2012-06-13 | 2015-08-18 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and apparatus for a passive access subnetwork |
JP6064704B2 (ja) * | 2013-03-15 | 2017-01-25 | 富士通株式会社 | 光信号復調装置、光信号復調方法、光信号復調プログラム及び光分岐挿入装置 |
KR20150010230A (ko) * | 2013-07-18 | 2015-01-28 | 삼성전자주식회사 | 단일 필터를 이용하여 대상체의 컬러 영상 및 깊이 영상을 생성하는 방법 및 장치. |
JP6492827B2 (ja) * | 2015-03-19 | 2019-04-03 | 富士通株式会社 | 光受信器および光受信方法 |
US10382126B1 (en) | 2018-06-29 | 2019-08-13 | Viavi Solutions Deutschalnd Gmbh | Multi-wavelength power sensing |
US10903930B1 (en) * | 2020-01-31 | 2021-01-26 | Fujitsu Limited | In-service defragmentation in optical networks using wavelength conversion |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3256713B2 (ja) * | 1992-06-27 | 2002-02-12 | キヤノン株式会社 | 波長可変フィルタ制御方式、制御装置及びそれを用いた光通信システム |
JPH08288932A (ja) | 1995-04-18 | 1996-11-01 | Koshin Kogaku:Kk | 光チューナブルフィルタのピーク透過波長検索装置 |
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 |
JPH11282296A (ja) | 1998-03-31 | 1999-10-15 | Ricoh Co Ltd | 画像形成装置・画像形成装置の定着装置および画像形成装置における定着方法 |
JP3639109B2 (ja) | 1998-04-02 | 2005-04-20 | 富士通株式会社 | 光伝送装置、光伝送システム及び光端局 |
US6262822B1 (en) * | 1998-05-13 | 2001-07-17 | Jds Fitel Inc. | Circuit for monitoring optical signals |
KR100295810B1 (ko) * | 1998-06-02 | 2001-10-26 | 서평원 | 파장분할다중방식광전송망채널감시시스템 |
JP2000241782A (ja) | 1999-02-19 | 2000-09-08 | Fujitsu Ltd | 可変波長選択フィルタおよび分岐・挿入装置 |
EP1041761A3 (de) * | 1999-03-31 | 2005-07-20 | Matsushita Electric Industrial Co., Ltd. | Wellenlängenabstimmbare Filtereinrichtung |
US6879619B1 (en) * | 1999-07-27 | 2005-04-12 | Intel Corporation | Method and apparatus for filtering an optical beam |
US6498800B1 (en) * | 1999-08-10 | 2002-12-24 | Coretek, Inc. | Double etalon optical wavelength reference device |
US6407376B1 (en) * | 2000-03-03 | 2002-06-18 | Axsun Technologies, Inc. | Optical channel monitoring system with self-calibration |
US6628407B2 (en) * | 2000-12-22 | 2003-09-30 | Axsun Technologies, Inc. | System and process for side mode suppression by tunable filter train alignment in fiber optic system |
US6473234B2 (en) * | 2001-02-28 | 2002-10-29 | Axsun Technologies, Inc. | Tunable filter system with backreflection reference |
US6748179B2 (en) * | 2001-03-07 | 2004-06-08 | Harris Corporation | WDM channel monitoring system and method |
US6845108B1 (en) * | 2001-05-14 | 2005-01-18 | Calmar Optcom, Inc. | Tuning of laser wavelength in actively mode-locked lasers |
IL143368A (en) * | 2001-05-24 | 2006-07-05 | Shlomo Orbach | Multiply up and down optical signals |
US6901088B2 (en) * | 2001-07-06 | 2005-05-31 | Intel Corporation | External cavity laser apparatus with orthogonal tuning of laser wavelength and cavity optical pathlength |
WO2004070893A2 (en) * | 2003-02-05 | 2004-08-19 | Gws-Photonics Ltd. | External cavity tunable laser and control |
-
2003
- 2003-02-27 JP JP2003051741A patent/JP4265918B2/ja not_active Expired - Fee Related
-
2004
- 2004-02-26 EP EP04004430A patent/EP1453235B1/de not_active Expired - Fee Related
- 2004-02-26 DE DE602004008684T patent/DE602004008684D1/de not_active Expired - Lifetime
- 2004-02-27 US US10/787,137 patent/US7366426B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2004260747A (ja) | 2004-09-16 |
EP1453235A3 (de) | 2006-07-19 |
US7366426B2 (en) | 2008-04-29 |
EP1453235A2 (de) | 2004-09-01 |
US20040197099A1 (en) | 2004-10-07 |
JP4265918B2 (ja) | 2009-05-20 |
EP1453235B1 (de) | 2007-09-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de |