EP1279056A4 - Optical switching system with power balancing - Google Patents

Optical switching system with power balancing

Info

Publication number
EP1279056A4
EP1279056A4 EP01920302A EP01920302A EP1279056A4 EP 1279056 A4 EP1279056 A4 EP 1279056A4 EP 01920302 A EP01920302 A EP 01920302A EP 01920302 A EP01920302 A EP 01920302A EP 1279056 A4 EP1279056 A4 EP 1279056A4
Authority
EP
European Patent Office
Prior art keywords
switching system
optical switching
power balancing
balancing
power
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.)
Withdrawn
Application number
EP01920302A
Other languages
German (de)
French (fr)
Other versions
EP1279056A1 (en
Inventor
Reuven Duer
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.)
Lynx Photonics Networks Inc
Original Assignee
Lynx Photonics Networks Inc
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
Priority claimed from US09/739,709 external-priority patent/US6445843B1/en
Application filed by Lynx Photonics Networks Inc filed Critical Lynx Photonics Networks Inc
Publication of EP1279056A1 publication Critical patent/EP1279056A1/en
Publication of EP1279056A4 publication Critical patent/EP1279056A4/en
Withdrawn legal-status Critical Current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
    • H04Q11/0005—Switch and router aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • H04J14/02216—Power control, e.g. to keep the total optical power constant by gain equalization
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • G02B6/3536—Optical coupling means having switching means involving evanescent coupling variation, e.g. by a moving element such as a membrane which changes the effective refractive index
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • G02B6/3564—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details
    • G02B6/3568—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details characterised by the actuating force
    • G02B6/3576—Temperature or heat actuation
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • G02B6/3594—Characterised by additional functional means, e.g. means for variably attenuating or branching or means for switching differently polarized beams
    • 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
    • H04Q2011/0007—Construction
    • H04Q2011/0024—Construction using space switching
    • 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
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0052—Interconnection of switches
EP01920302A 2000-03-27 2001-03-13 Optical switching system with power balancing Withdrawn EP1279056A4 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US739709 1985-05-31
US19239000P 2000-03-27 2000-03-27
US192390P 2000-03-27
US09/739,709 US6445843B1 (en) 2000-12-20 2000-12-20 Optical switching system with power balancing
PCT/US2001/007825 WO2001073490A1 (en) 2000-03-27 2001-03-13 Optical switching system with power balancing

Publications (2)

Publication Number Publication Date
EP1279056A1 EP1279056A1 (en) 2003-01-29
EP1279056A4 true EP1279056A4 (en) 2007-11-14

Family

ID=26888036

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01920302A Withdrawn EP1279056A4 (en) 2000-03-27 2001-03-13 Optical switching system with power balancing

Country Status (6)

Country Link
EP (1) EP1279056A4 (en)
JP (1) JP2003529097A (en)
CN (1) CN1237360C (en)
AU (1) AU2001247373A1 (en)
CA (1) CA2404473A1 (en)
WO (1) WO2001073490A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4127481B2 (en) * 2002-05-08 2008-07-30 富士通株式会社 Control apparatus and control method for optical signal exchanger
US7447397B1 (en) 2004-06-14 2008-11-04 Dynamic Method Enterprises Limited Optical switch matrix
US8798472B2 (en) * 2012-07-10 2014-08-05 Telefonaktiebolaget L M Ericsson Agile light source provisioning for information and communications technology systems
CN107346064A (en) * 2017-06-16 2017-11-14 中国电子科技集团公司第二十三研究所 Optical bistability control system, control method and the chip of a kind of electrooptical switching

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0853440A2 (en) * 1996-12-27 1998-07-15 Nippon Telegraph And Telephone Corporation Optical cross-connect system
US5970201A (en) * 1997-09-18 1999-10-19 Lucent Technologies Inc. Power regulation in optical networks
WO1999060434A1 (en) * 1998-05-19 1999-11-25 Lynx Photonic Networks Inc. Integrated optical switch array
WO2000002085A1 (en) * 1998-07-01 2000-01-13 Nec Corporation Matrix optical switch and optical adm

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU87165A1 (en) * 1987-08-20 1988-08-23 Siemens Ag MULTI-STAGE COUPLING
CA2199848C (en) * 1994-09-14 2003-11-11 Lothar Stoll Optical 1xn and nxn switching matrix having a tree structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0853440A2 (en) * 1996-12-27 1998-07-15 Nippon Telegraph And Telephone Corporation Optical cross-connect system
US5970201A (en) * 1997-09-18 1999-10-19 Lucent Technologies Inc. Power regulation in optical networks
WO1999060434A1 (en) * 1998-05-19 1999-11-25 Lynx Photonic Networks Inc. Integrated optical switch array
WO2000002085A1 (en) * 1998-07-01 2000-01-13 Nec Corporation Matrix optical switch and optical adm
EP1098219A1 (en) * 1998-07-01 2001-05-09 NEC Corporation Matrix optical switch and optical adm

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO0173490A1 *

Also Published As

Publication number Publication date
JP2003529097A (en) 2003-09-30
AU2001247373A1 (en) 2001-10-08
EP1279056A1 (en) 2003-01-29
CN1237360C (en) 2006-01-18
CN1426540A (en) 2003-06-25
WO2001073490A1 (en) 2001-10-04
CA2404473A1 (en) 2001-10-04

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20021028

AK Designated contracting states

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

A4 Supplementary search report drawn up and despatched

Effective date: 20071012

RIC1 Information provided on ipc code assigned before grant

Ipc: H04J 14/00 20060101ALI20071009BHEP

Ipc: H04Q 11/00 20060101ALI20071009BHEP

Ipc: G02B 6/35 20060101AFI20011009BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20080110