ATE404895T1 - Optischer multiplexschaltkreis mit überwachungsfunktion - Google Patents

Optischer multiplexschaltkreis mit überwachungsfunktion

Info

Publication number
ATE404895T1
ATE404895T1 AT02251312T AT02251312T ATE404895T1 AT E404895 T1 ATE404895 T1 AT E404895T1 AT 02251312 T AT02251312 T AT 02251312T AT 02251312 T AT02251312 T AT 02251312T AT E404895 T1 ATE404895 T1 AT E404895T1
Authority
AT
Austria
Prior art keywords
signal
monitoring function
check signal
multiplex circuit
optical multiplex
Prior art date
Application number
AT02251312T
Other languages
English (en)
Inventor
Yoshiki Yamauchi
Kouichi Fujisaki
Akimasa Kaneko
Takashi Asaoka
Yoshihisa Sakai
Original Assignee
Ntt Electronics Corp
Nippon Telegraph & Telephone
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 Ntt Electronics Corp, Nippon Telegraph & Telephone filed Critical Ntt Electronics Corp
Application granted granted Critical
Publication of ATE404895T1 publication Critical patent/ATE404895T1/de

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
    • G02B6/12009—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
    • G02B6/12016—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by the input or output waveguides, e.g. tapered waveguide ends, coupled together pairs of output waveguides
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/03—WDM arrangements
    • H04J14/0307—Multiplexers; Demultiplexers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
  • Optical Integrated Circuits (AREA)
AT02251312T 2001-02-27 2002-02-26 Optischer multiplexschaltkreis mit überwachungsfunktion ATE404895T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001053053A JP3679016B2 (ja) 2001-02-27 2001-02-27 光合波回路、および、光合波装置

Publications (1)

Publication Number Publication Date
ATE404895T1 true ATE404895T1 (de) 2008-08-15

Family

ID=18913579

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02251312T ATE404895T1 (de) 2001-02-27 2002-02-26 Optischer multiplexschaltkreis mit überwachungsfunktion

Country Status (5)

Country Link
US (1) US6842560B2 (de)
EP (1) EP1243952B1 (de)
JP (1) JP3679016B2 (de)
AT (1) ATE404895T1 (de)
DE (1) DE60228156D1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2369686A (en) * 2000-12-01 2002-06-05 Kymata Ltd Optical array waveguide grating for power monitor
GB2422062B (en) * 2005-01-06 2010-01-13 Nortel Networks Ltd Integrated optical transmitter
US20070166039A1 (en) * 2006-01-06 2007-07-19 Robert Spagnoletti Integrated optical transmitter
JP5100175B2 (ja) * 2007-03-28 2012-12-19 古河電気工業株式会社 アレイ導波路格子型の合分波装置
US8111996B2 (en) * 2008-02-22 2012-02-07 Infinera Corporation Compact optical multiplexer and demultiplexer
SE534231C2 (sv) * 2009-05-13 2011-06-07 Syntune Ab Ljusdelare med låg reflex.
KR101747453B1 (ko) * 2012-02-29 2017-06-16 한국전자통신연구원 파장 다중화 및 역다중화 기능이 통합된 배열 도파로 격자 라우터 장치
JP6520206B2 (ja) * 2015-02-26 2019-05-29 三菱電機株式会社 光モジュールの製造方法、光モジュール
JP7075747B2 (ja) * 2017-12-06 2022-05-26 Ｎｔｔエレクトロニクス株式会社 光波長合分波器
CN110149147A (zh) * 2019-07-02 2019-08-20 易锐光电科技(安徽)有限公司 用于波分复用传输网络中波长监控一种模块及实现方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2599786B2 (ja) 1989-03-17 1997-04-16 日本電信電話株式会社 導波路形回折格子
JP3139571B2 (ja) 1992-05-13 2001-03-05 日本電信電話株式会社 光合分波器
EP0591042B1 (de) 1992-09-29 1997-05-28 Nippon Telegraph And Telephone Corporation Multi/Demultiplexer mit Gitter aus gruppierten Wellenleitern und zurückgefürten optischen Wegen
JP2713324B2 (ja) 1993-02-02 1998-02-16 日本電信電話株式会社 光波アドレスシステム
US5617234A (en) * 1994-09-26 1997-04-01 Nippon Telegraph & Telephone Corporation Multiwavelength simultaneous monitoring circuit employing arrayed-waveguide grating
US5706377A (en) * 1996-07-17 1998-01-06 Lucent Technologies Inc. Wavelength routing device having wide and flat passbands
US5809184A (en) * 1996-10-15 1998-09-15 Doerr; Christopher Richard Polarization diversity waveguide grating receiver
JPH10224829A (ja) 1997-02-07 1998-08-21 Nippon Telegr & Teleph Corp <Ntt> 波長多重／分離装置
US6301031B2 (en) * 1997-09-02 2001-10-09 Agere Systems Optoelectronics Guardian Corp. Method and apparatus for wavelength-channel tracking and alignment within an optical communications system
JP3397699B2 (ja) 1998-08-26 2003-04-21 日本電信電話株式会社 時間分割型波長監視装置
JP2000078085A (ja) 1998-08-31 2000-03-14 Furukawa Electric Co Ltd:The 波長多重伝送システム
JP3687529B2 (ja) 2000-11-16 2005-08-24 日本電気株式会社 アレイ導波路格子、光送信装置および光通信システム

Also Published As

Publication number Publication date
DE60228156D1 (de) 2008-09-25
JP2002258072A (ja) 2002-09-11
EP1243952B1 (de) 2008-08-13
US6842560B2 (en) 2005-01-11
EP1243952A3 (de) 2004-08-04
JP3679016B2 (ja) 2005-08-03
EP1243952A2 (de) 2002-09-25
US20020126341A1 (en) 2002-09-12

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