|
US4809362A
(en)
|
1987-03-13 |
1989-02-28 |
Center For Innovative Technology |
Fiber-optic star tree network
|
|
DE69131092T2
(de)
|
1990-12-06 |
1999-08-12 |
Nec Corp., Tokio/Tokyo |
Verfahren zum Senden und Empfangen von kohärenten Lichtsignalen
|
|
US6631018B1
(en)
*
|
1997-08-27 |
2003-10-07 |
Nortel Networks Limited |
WDM optical network with passive pass-through at each node
|
|
US6067288A
(en)
|
1997-12-31 |
2000-05-23 |
Alcatel Usa Sourcing, L.P. |
Performance monitoring delay modules
|
|
US6567429B1
(en)
|
1998-06-02 |
2003-05-20 |
Dynamics Research Corporation |
Wide area multi-service broadband network
|
|
BR9916589A
(pt)
|
1998-12-24 |
2001-09-25 |
Optical Technologies Italia |
Multiplexador de adição/diminuição acusto-ótico, conexão cruzada óptica seletiva de comprimento de onda, dispositivo de guia de onda acusto-ótica seletivo em comprimento de onde e método de multiplexação de canais ópticos
|
|
US6687463B1
(en)
|
1999-06-09 |
2004-02-03 |
Alcatel Communications, Inc. |
Communication system and method with optical banding
|
|
WO2000076105A1
(en)
|
1999-06-09 |
2000-12-14 |
Astral Point Communications, Inc. |
Communication system and method with optical banding and optical management bus
|
|
US6947670B1
(en)
*
|
1999-06-30 |
2005-09-20 |
Lucent Technologies Inc. |
Optical add/drop arrangement for ring networks employing wavelength division multiplexing
|
|
US20010046350A1
(en)
|
2000-02-25 |
2001-11-29 |
Tedesco James M. |
Configurable Wavelength routing device
|
|
US6633695B2
(en)
|
2000-03-06 |
2003-10-14 |
Cidra Corporation |
Compression-tuned grating-based optical add/drop multiplexer
|
|
US7499647B2
(en)
|
2000-05-22 |
2009-03-03 |
Opvista Incorporated |
Fully protected broadcast and select all optical network
|
|
US6973229B1
(en)
|
2001-02-28 |
2005-12-06 |
Lambda Opticalsystems Corporation |
Node architecture for modularized and reconfigurable optical networks, and methods and apparatus therefor
|
|
SE523986C2
(sv)
|
2001-03-09 |
2004-06-15 |
Lumentis Ab |
Optiskt WDM-Ringnät för flexibla förbindelser
|
|
IL143368A
(en)
|
2001-05-24 |
2006-07-05 |
Shlomo Orbach |
Multiply up and down optical signals
|
|
CN1316844A
(zh)
*
|
2001-06-01 |
2001-10-10 |
清华大学 |
双纤双向环网用光分插复用模块
|
|
US7599620B2
(en)
|
2001-06-01 |
2009-10-06 |
Nortel Networks Limited |
Communications network for a metropolitan area
|
|
WO2003052978A1
(en)
|
2001-12-18 |
2003-06-26 |
Lumentis Ab |
Protected bidirectional wdm network
|
|
GB0200177D0
(en)
*
|
2002-01-04 |
2002-02-20 |
Marconi Comm Ltd |
Noise reduction in optical communications networks
|
|
US7076163B2
(en)
*
|
2002-03-27 |
2006-07-11 |
Fujitsu Limited |
Method and system for testing during operation of an open ring optical network
|
|
US7200331B2
(en)
|
2002-07-15 |
2007-04-03 |
Lucent Technologies Inc. |
Wavelength routing on an optical metro network subtended off an agile core optical network
|
|
AU2003275011A1
(en)
|
2002-09-20 |
2004-04-08 |
The Research Foundation Of The State University Of New York At Buffalo |
Efficient optical network design using multi-granular optical cross-connects with wavelength band switching
|
|
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
|
|
US7483636B2
(en)
*
|
2003-07-28 |
2009-01-27 |
Fujitsu Limited |
Optical network with sub-band rejection and bypass
|
|
US7181095B1
(en)
*
|
2003-07-29 |
2007-02-20 |
Cisco Technology, Inc. |
Low loss, noise filtering multiplexer/demultiplexer for reconfigurable OADMs
|
|
CN1255965C
(zh)
*
|
2003-09-30 |
2006-05-10 |
烽火通信科技股份有限公司 |
一种基于波长或波带保护的光分插复用节点装置
|
|
US20050185884A1
(en)
|
2004-01-23 |
2005-08-25 |
Haus Hermann A. |
Single-level no-crossing microelectromechanical hitless switch for high density integrated optics
|
|
FR2866765B1
(fr)
*
|
2004-02-23 |
2006-05-19 |
Cit Alcatel |
Reseau de transmission optique en anneau
|
|
WO2006035520A1
(ja)
|
2004-09-29 |
2006-04-06 |
Fujitsu Limited |
光挿入分岐装置及び光ネットワークシステム
|
|
US7826743B2
(en)
|
2004-11-22 |
2010-11-02 |
Fujitsu Limited |
Optical ring network for extended broadcasting
|
|
JP4638754B2
(ja)
|
2005-03-18 |
2011-02-23 |
富士通株式会社 |
光装置および光クロスコネクト装置
|
|
US8032027B2
(en)
|
2005-07-25 |
2011-10-04 |
Massachusetts Institute Of Technology |
Wide free-spectral-range, widely tunable and hitless-switchable optical channel add-drop filters
|
|
DE102005051292A1
(de)
|
2005-10-26 |
2006-12-28 |
Siemens Ag |
Add-Drop-Einrichtung für Wellenlängen-Multiplex-Signale
|
|
DE602005023793D1
(de)
|
2005-11-29 |
2010-11-04 |
Telecom Italia Spa |
Optimiertes dynamisches routen in einem optischen netzwerk
|
|
JP4494357B2
(ja)
|
2006-03-08 |
2010-06-30 |
富士通株式会社 |
パス経路計算方法及び,この方法を適用する光通信ネットワーク
|
|
CN100403078C
(zh)
*
|
2006-06-23 |
2008-07-16 |
华为技术有限公司 |
一种光分插复用装置、系统及其升级扩展方法
|
|
US7706688B2
(en)
|
2006-07-17 |
2010-04-27 |
University Of Ottawa |
Wavelength reconfigurable optical network
|
|
US8111994B2
(en)
|
2006-08-16 |
2012-02-07 |
Massachusetts Institute Of Technology |
Balanced bypass circulators and folded universally-balanced interferometers
|
|
US7974533B2
(en)
|
2006-12-14 |
2011-07-05 |
Verizon Patent And Licensing Inc. |
Long reach optical network
|
|
WO2008118465A2
(en)
|
2007-03-26 |
2008-10-02 |
Massachusetts Institute Of Technology |
Hitless tuning and switching of optical resonator amplitude and phase responses
|
|
KR100875934B1
(ko)
|
2007-06-25 |
2008-12-26 |
한국전자통신연구원 |
멀티링 네트워크 운영방법 및 장치
|
|
US20090047019A1
(en)
|
2007-08-13 |
2009-02-19 |
Paparao Palacharla |
Method and System for Communicating Optical Traffic
|
|
JP5545212B2
(ja)
|
2008-05-26 |
2014-07-09 |
日本電気株式会社 |
波長パス通信ノード装置、波長パス通信制御方法、プログラム、および記録媒体
|
|
EP2332276B1
(de)
|
2008-09-04 |
2012-01-25 |
Telefonaktiebolaget L M Ericsson (PUBL) |
Passive optische netzwerke
|
|
US8554074B2
(en)
|
2009-05-06 |
2013-10-08 |
Ciena Corporation |
Colorless, directionless, and gridless optical network, node, and method
|
|
US9485050B2
(en)
|
2009-12-08 |
2016-11-01 |
Treq Labs, Inc. |
Subchannel photonic routing, switching and protection with simplified upgrades of WDM optical networks
|
|
EP2385642B1
(de)
|
2010-05-07 |
2012-10-17 |
ADVA AG Optical Networking |
Verfahren zur Bereitstellung von Schutz gegen Verbindungsfehler in einem optischen Kommunikationsnetzwerk
|
|
WO2012025148A1
(en)
|
2010-08-24 |
2012-03-01 |
Telefonaktiebolaget L M Ericsson (Publ) |
Method and apparatus for dynamic wavelength allocation in wavelength switched optical networks
|
|
US9077481B2
(en)
|
2010-08-24 |
2015-07-07 |
Telefonaktiebolaget L M Ericsson (Publ) |
Method and apparatus for dynamic wavelength allocation in wavelength switched optical networks
|
|
US8909043B2
(en)
|
2011-02-04 |
2014-12-09 |
Nec Laboratories America, Inc. |
Routing, wavelength assignment, and spectrum allocation in wavelength convertible flexible optical wavelength-division multiplexing networks
|
|
US8873962B2
(en)
|
2011-03-30 |
2014-10-28 |
Nec Laboratories America, Inc. |
Method for traffic grooming, wavelength assignment and spectrum allocation
|
|
US20130243416A1
(en)
|
2012-03-14 |
2013-09-19 |
Stefan Dahlfort |
Optical network architecture for transporting wdm traffic
|
|
US9112635B2
(en)
|
2012-06-13 |
2015-08-18 |
Telefonaktiebolaget L M Ericsson (Publ) |
Methods and apparatus for a passive access subnetwork
|