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AU2002220835A1 - Optical shutter - Google Patents

Optical shutter

Info

Publication number
AU2002220835A1
AU2002220835A1 AU2002220835A AU2083502A AU2002220835A1 AU 2002220835 A1 AU2002220835 A1 AU 2002220835A1 AU 2002220835 A AU2002220835 A AU 2002220835A AU 2083502 A AU2083502 A AU 2083502A AU 2002220835 A1 AU2002220835 A1 AU 2002220835A1
Authority
AU
Australia
Prior art keywords
optical shutter
shutter
optical
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.)
Abandoned
Application number
AU2002220835A
Inventor
Andrew George Lauder
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Marconi Communications Ltd
Original Assignee
Marconi Communications Ltd
Marconi Co 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 Marconi Communications Ltd, Marconi Co Ltd filed Critical Marconi Communications Ltd
Publication of AU2002220835A1 publication Critical patent/AU2002220835A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • 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
    • H04J14/0283—WDM ring architectures
    • 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
    • H04J14/0289—Optical multiplex section protection
    • H04J14/0291—Shared protection at the optical multiplex section (1:1, n:m)
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/07—Monitoring an optical transmission system using a supervisory signal
    • H04B2210/078—Monitoring an optical transmission system using a supervisory signal using a separate wavelength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/08—Shut-down or eye-safety
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0037—Operation
    • H04Q2011/0039—Electrical control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0037—Operation
    • H04Q2011/0049—Crosstalk reduction; Noise; Power budget
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/0069—Network aspects using dedicated optical channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/0079—Operation or maintenance aspects
    • H04Q2011/0081—Fault tolerance; Redundancy; Recovery; Reconfigurability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/0079—Operation or maintenance aspects
    • H04Q2011/0083—Testing; Monitoring

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
AU2002220835A 2000-11-28 2001-11-27 Optical shutter Abandoned AU2002220835A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0028919A GB2369509A (en) 2000-11-28 2000-11-28 Optical shutter for a communication system
GB0028919.9 2000-11-28
PCT/GB2001/005237 WO2002045298A2 (en) 2000-11-28 2001-11-27 Optical shutter

Publications (1)

Publication Number Publication Date
AU2002220835A1 true AU2002220835A1 (en) 2002-06-11

Family

ID=9903977

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002220835A Abandoned AU2002220835A1 (en) 2000-11-28 2001-11-27 Optical shutter

Country Status (8)

Country Link
US (1) US7729613B2 (en)
EP (1) EP1340326A2 (en)
JP (1) JP3995593B2 (en)
CN (1) CN1593022A (en)
AU (1) AU2002220835A1 (en)
CA (1) CA2429805A1 (en)
GB (1) GB2369509A (en)
WO (1) WO2002045298A2 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7327954B2 (en) * 2002-05-31 2008-02-05 Fujitsu Limited Optical signaling to share active channel information
JP2004297790A (en) * 2003-03-10 2004-10-21 Nec Corp Optical node apparatus, optical network system, and its control method
CN1305243C (en) * 2003-05-09 2007-03-14 中兴通讯股份有限公司 Testing method and apparatus for automatic light power reducing process time of dense wave divided multiplexing system
JP2005033401A (en) * 2003-07-10 2005-02-03 Pioneer Electronic Corp Optical transmitting/receiving apparatus
US7151895B2 (en) * 2003-08-26 2006-12-19 Fujitsu Limited Method and system for automatically setting gain for an amplifier in an optical network
JP4584563B2 (en) * 2003-10-07 2010-11-24 パイオニア株式会社 Optical transmission system
DE102005005185B4 (en) * 2005-02-03 2007-04-12 Daimlerchrysler Ag Switching arrangement for a switching element for opening and closing a vehicle wing
WO2006087804A1 (en) * 2005-02-18 2006-08-24 Fujitsu Limited Optical communication device and optical communication control method
KR100912296B1 (en) * 2007-09-20 2009-08-17 한국전자통신연구원 Network apparatus for guaranting the role of optical supervisory channel and method thereof
US8078052B2 (en) * 2007-10-18 2011-12-13 Cisco Technology, Inc. Protocol-less all-optical 1+1 bidirectional revertive linear protection system
JP5315839B2 (en) * 2008-08-01 2013-10-16 日本電気株式会社 Optical communication apparatus, optical output control method, optical communication system, and program
US20130216236A1 (en) * 2012-02-22 2013-08-22 Lime Brokerage Llc Managed optical computer network device
JP6195624B2 (en) * 2013-10-04 2017-09-13 三菱電機株式会社 Optical transmission line switching device and optical transmission system
FR3032572B1 (en) * 2015-02-10 2017-01-27 Airbus Operations Sas CONTROL SYSTEM AND DEVICE SUBSCRIBED FROM A COMMUNICATION NETWORK OF A CONTROL SYSTEM

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0396025A (en) 1989-09-07 1991-04-22 Matsushita Electric Ind Co Ltd Data transmission equipment
JPH03205929A (en) * 1989-12-08 1991-09-09 Nec Corp Optical repeater and optical repeating system
US5136410A (en) * 1990-01-09 1992-08-04 Ibm Corporation Optical fiber link control safety system
GB2251148B (en) * 1990-09-18 1995-04-12 Fujitsu Ltd Optical repeater having loop-back function
US5104391A (en) * 1990-10-30 1992-04-14 Advanced Cardiovascular Systems Optical fiber breakage detection system
JPH0530034A (en) 1991-07-24 1993-02-05 Fujitsu Ltd Optical communication system
JP3008667B2 (en) * 1992-05-07 2000-02-14 日本電気株式会社 Optical relay system
US5428471A (en) * 1992-07-30 1995-06-27 Alcatel Network Systems, Inc. Fail-safe automatic shut-down apparatus and method for high output power optical communications system
DE4321856A1 (en) * 1993-07-01 1995-01-12 Sel Alcatel Ag Fiber optic amplifier with a device for monitoring the pump and input power
JPH0897773A (en) * 1994-09-27 1996-04-12 Fujitsu Ltd Optical signal transmitter
US5625478A (en) * 1995-09-14 1997-04-29 Lucent Technologies Inc. Optically restorable WDM ring network using simple add/drop circuitry
IT1277204B1 (en) * 1995-10-19 1997-11-05 Pirelli S P A Ora Pirelli Cavi TRANSPARENT OPTICAL COMMUNICATION NETWORK WITH SELF-PROTECTED RING
US6115155A (en) * 1996-10-29 2000-09-05 Chorum Technologies Inc. System for dealing with faults in an optical link
JPH10164018A (en) * 1996-11-26 1998-06-19 Fujitsu Ltd Light transmitter, terminal station equipment having the same and optical communication system
GB2327020A (en) * 1997-06-30 1999-01-06 Ericsson Telefon Ab L M A self-healing meshed network
EP0928082B1 (en) * 1997-12-31 2006-08-16 Cisco Systems International B.V. Method and apparatus for transparent optical communication with two-fiber bidirectional ring with autoprotection and management of low priority traffic
JPH11243371A (en) * 1998-02-26 1999-09-07 Fujitsu Ltd Optical transmitter
AU761406B2 (en) * 1998-03-18 2003-06-05 Nokia Siemens Networks Gmbh & Co. Kg Method for establishing a communication on a standby link in optical transmission facilities
JP3298514B2 (en) 1998-08-20 2002-07-02 日本電気株式会社 Optical path switching apparatus, method of using the same, and optical ADM apparatus and optical cross-connect network apparatus using the optical path switching apparatus
US6504630B1 (en) * 1998-12-04 2003-01-07 Lucent Technologies Inc. Automatic power shut-down arrangement for optical line systems
EP1017192B1 (en) * 1998-12-31 2006-02-22 Cisco Systems International B.V. Automatic protection system for an optical transmission system
JP2000236303A (en) 1999-02-12 2000-08-29 Kdd Corp Optical transmission system
GB2348063B (en) * 1999-03-19 2001-03-07 Marconi Comm Ltd Optical communication system
US6973267B1 (en) * 1999-07-01 2005-12-06 Cisco Technology, Inc. Autoprotected optical communication ring network
US6473397B1 (en) * 1999-08-10 2002-10-29 Nortel Networks Limited Add/drop multiplexer and method, and Bi-directional line switcher ring featuring such multiplexers
EP1130805A1 (en) * 2000-06-16 2001-09-05 TELEFONAKTIEBOLAGET L M ERICSSON (publ) Method and arrangement to reduce light leakage in an optical system

Also Published As

Publication number Publication date
US7729613B2 (en) 2010-06-01
GB0028919D0 (en) 2001-01-10
WO2002045298A2 (en) 2002-06-06
GB2369509A (en) 2002-05-29
JP3995593B2 (en) 2007-10-24
US20040071392A1 (en) 2004-04-15
CN1593022A (en) 2005-03-09
WO2002045298A3 (en) 2002-10-17
CA2429805A1 (en) 2002-06-06
EP1340326A2 (en) 2003-09-03
JP2004515153A (en) 2004-05-20

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