BRPI0909474A2 - fonte de luz protegida para múltiplas redes ópticas passivas multiplexadas por divisão de comprimento de onda (wdm-pons) - Google Patents

fonte de luz protegida para múltiplas redes ópticas passivas multiplexadas por divisão de comprimento de onda (wdm-pons)

Info

Publication number
BRPI0909474A2
BRPI0909474A2 BRPI0909474A BRPI0909474A BRPI0909474A2 BR PI0909474 A2 BRPI0909474 A2 BR PI0909474A2 BR PI0909474 A BRPI0909474 A BR PI0909474A BR PI0909474 A BRPI0909474 A BR PI0909474A BR PI0909474 A2 BRPI0909474 A2 BR PI0909474A2
Authority
BR
Brazil
Prior art keywords
pons
wdm
light source
wavelength division
division multiplexed
Prior art date
Application number
BRPI0909474A
Other languages
English (en)
Inventor
Kim B Roberts
Richard Habel
Original Assignee
Nortel Networks Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nortel Networks Ltd filed Critical Nortel Networks Ltd
Publication of BRPI0909474A2 publication Critical patent/BRPI0909474A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0278—WDM optical network architectures
    • H04J14/0282—WDM tree architectures
    • 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
    • H04B10/501—Structural aspects
    • H04B10/506—Multiwavelength transmitters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0287—Protection in WDM systems
    • H04J14/0297—Optical equipment protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
BRPI0909474A 2008-03-28 2009-03-27 fonte de luz protegida para múltiplas redes ópticas passivas multiplexadas por divisão de comprimento de onda (wdm-pons) BRPI0909474A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4022408P 2008-03-28 2008-03-28
PCT/CA2009/000374 WO2009117822A1 (en) 2008-03-28 2009-03-27 Protected light source for multiple wavelength division multiplexed passive optical networks (wdm-pons)

Publications (1)

Publication Number Publication Date
BRPI0909474A2 true BRPI0909474A2 (pt) 2015-12-29

Family

ID=41112888

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0909474A BRPI0909474A2 (pt) 2008-03-28 2009-03-27 fonte de luz protegida para múltiplas redes ópticas passivas multiplexadas por divisão de comprimento de onda (wdm-pons)

Country Status (7)

Country Link
US (2) US8170418B2 (pt)
EP (1) EP2274843A4 (pt)
JP (2) JP5479447B2 (pt)
KR (1) KR20110004406A (pt)
CN (1) CN101981834A (pt)
BR (1) BRPI0909474A2 (pt)
WO (1) WO2009117822A1 (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BRPI0909474A2 (pt) * 2008-03-28 2015-12-29 Nortel Networks Ltd fonte de luz protegida para múltiplas redes ópticas passivas multiplexadas por divisão de comprimento de onda (wdm-pons)
US8121474B2 (en) * 2008-12-08 2012-02-21 Cisco Technology, Inc. Standby broadband light source for passive optical networks
US8699871B2 (en) * 2009-04-08 2014-04-15 Cisco Technology, Inc. Optical network with shared laser array
US8644708B2 (en) * 2009-10-21 2014-02-04 Futurewei Technologies Coupled seed light injection for wavelength division multiplexing passive optical networks
EP2518912B1 (en) * 2011-04-29 2014-12-24 ADVA Optical Networking SE Optical line termination node and passive optical network
US9002214B2 (en) * 2011-07-14 2015-04-07 Applied Optoelectronics, Inc. Wavelength-selectable laser device and apparatus and system including same
US9502858B2 (en) 2011-07-14 2016-11-22 Applied Optoelectronics, Inc. Laser array mux assembly with external reflector for providing a selected wavelength or multiplexed wavelengths
US9214790B2 (en) 2012-10-03 2015-12-15 Applied Optoelectronics, Inc. Filtered laser array assembly with external optical modulation and WDM optical system including same
WO2015127606A1 (zh) * 2014-02-26 2015-09-03 华为技术有限公司 无源光网络系统、无源光网络保护方法及装置
CN104661119A (zh) * 2015-03-16 2015-05-27 苏州大学 一种弹性光网络下的频谱重整理方法及装置
WO2016210362A1 (en) * 2015-06-25 2016-12-29 Kaiam Corp. Optical interconnect for switch applications
JP7783488B2 (ja) * 2021-12-24 2025-12-10 １Ｆｉｎｉｔｙ株式会社 光受信装置及び光送受信装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5173957A (en) * 1991-09-12 1992-12-22 At&T Bell Laboratories Pump redundancy for optical amplifiers
JPH09233052A (ja) * 1996-02-28 1997-09-05 Toshiba Corp 光波長多重装置
JP3060994B2 (ja) * 1997-05-15 2000-07-10 日本電気株式会社 Ｎ−ｗｄｍシステムにおける出力ポート切替装置
JP3337403B2 (ja) * 1997-09-19 2002-10-21 日本電信電話株式会社 周波数安定化レーザ
JP3605629B2 (ja) * 1998-12-15 2004-12-22 富士通株式会社 光源の冗長切替方法及び該方法による波長多重伝送装置
US7127168B2 (en) * 2001-06-13 2006-10-24 Nippon Telegraph And Telephone Corporation Multi-wavelength optical modulation circuit and wavelength-division multiplexed optical signal transmitter
JP3835592B2 (ja) * 2001-06-13 2006-10-18 日本電信電話株式会社 光波長多重送信器
KR100496710B1 (ko) * 2002-01-21 2005-06-28 노베라옵틱스코리아 주식회사 주입된 비간섭성 광에 파장 잠김된 광원을 이용한 양방향파장분할다중방식 수동형 광 네트워크
JP4175051B2 (ja) * 2002-08-02 2008-11-05 日本電気株式会社 光伝送システム及び光伝送システムの光増幅方法
KR100438426B1 (ko) * 2002-10-18 2004-07-03 삼성전자주식회사 무편광 다파장 광원
KR100955129B1 (ko) * 2003-05-30 2010-04-28 정보통신연구진흥원 비간섭성　광대역　광원을 이용한 파장분할다중방식　수동형　광 네트워크 구현 방법
JP4478492B2 (ja) * 2004-03-29 2010-06-09 富士通株式会社 光源装置および光源装置の冗長切り替え方法
US7092595B2 (en) * 2004-05-18 2006-08-15 Novera Optics, Inc. Multiple-wavelength pulsed light source for a wavelength division multiplexed passive optical network
KR100606029B1 (ko) * 2004-06-15 2006-07-31 삼성전자주식회사 자기 감시를 위한 수동형 광 가입자 망
US8644711B2 (en) * 2006-10-20 2014-02-04 Electronics And Telecommunications Research Institute Apparatus and method for OLT and ONU for wavelength agnostic wavelength-division multiplexed passive optical networks
BRPI0909474A2 (pt) * 2008-03-28 2015-12-29 Nortel Networks Ltd fonte de luz protegida para múltiplas redes ópticas passivas multiplexadas por divisão de comprimento de onda (wdm-pons)

Also Published As

Publication number Publication date
KR20110004406A (ko) 2011-01-13
JP5479447B2 (ja) 2014-04-23
CN101981834A (zh) 2011-02-23
WO2009117822A1 (en) 2009-10-01
US8170418B2 (en) 2012-05-01
US20090245799A1 (en) 2009-10-01
EP2274843A4 (en) 2013-07-17
US20120189309A1 (en) 2012-07-26
EP2274843A1 (en) 2011-01-19
JP2014099915A (ja) 2014-05-29
US8340524B2 (en) 2012-12-25
JP2011517530A (ja) 2011-06-09

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: ROCKSTAR BIDCO, LP (US)

B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]
B15K Others concerning applications: alteration of classification

Ipc: H04J 14/02 (2006.01), H04B 10/50 (2013.01)