EP1305661A4 - Optical filter for frequency dependent filtering - Google Patents

Optical filter for frequency dependent filtering

Info

Publication number
EP1305661A4
EP1305661A4 EP00940029A EP00940029A EP1305661A4 EP 1305661 A4 EP1305661 A4 EP 1305661A4 EP 00940029 A EP00940029 A EP 00940029A EP 00940029 A EP00940029 A EP 00940029A EP 1305661 A4 EP1305661 A4 EP 1305661A4
Authority
EP
European Patent Office
Prior art keywords
optical filter
frequency dependent
dependent filtering
filtering
frequency
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Withdrawn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
EP00940029A
Other languages
German (de)
French (fr)
Other versions
EP1305661A1 (en
Inventor
Steven James Frisken
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.)
Lumentum Technology UK Ltd
Original Assignee
Bookham Technology PLC
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 Bookham Technology PLC filed Critical Bookham Technology PLC
Publication of EP1305661A1 publication Critical patent/EP1305661A1/en
Publication of EP1305661A4 publication Critical patent/EP1305661A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/288—Filters employing polarising elements, e.g. Lyot or Solc filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G02B5/3083—Birefringent or phase retarding elements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/16—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 series; tandem
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2203/00—Function characteristic
    • G02F2203/05—Function characteristic wavelength dependent
    • G02F2203/055—Function characteristic wavelength dependent wavelength filtering
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2203/00—Function characteristic
    • G02F2203/06—Polarisation independent
EP00940029A 2000-06-30 2000-06-30 Optical filter for frequency dependent filtering Withdrawn EP1305661A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/AU2000/000735 WO2002027370A1 (en) 2000-06-30 2000-06-30 Optical filter for frequency dependent filtering

Publications (2)

Publication Number Publication Date
EP1305661A1 EP1305661A1 (en) 2003-05-02
EP1305661A4 true EP1305661A4 (en) 2005-08-10

Family

ID=3700820

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00940029A Withdrawn EP1305661A4 (en) 2000-06-30 2000-06-30 Optical filter for frequency dependent filtering

Country Status (3)

Country Link
EP (1) EP1305661A4 (en)
AU (1) AU2000255111A1 (en)
WO (1) WO2002027370A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0932068A2 (en) * 1998-01-23 1999-07-28 Fujitsu Limited Tunable optical filter
FR2774482A1 (en) * 1998-02-04 1999-08-06 Fujitsu Ltd Optical transmission line gain equalization

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2986295B2 (en) * 1992-12-08 1999-12-06 松下電器産業株式会社 Optical isolator
JP3660402B2 (en) * 1995-08-23 2005-06-15 富士通株式会社 Optical filter
US5867291A (en) * 1996-10-29 1999-02-02 Chorum Technologies Inc. Programmable wavelength router
US5912748A (en) * 1996-07-23 1999-06-15 Chorum Technologies Inc. Switchable wavelength router
US5724165A (en) * 1996-07-23 1998-03-03 Macro-Vision Communications, L.L.C. Fault-tolerant optical routing switch
US5694233A (en) * 1996-07-23 1997-12-02 Macro-Vision Communications, Llc Switchable wavelength router
JP2850891B2 (en) * 1996-12-10 1999-01-27 日本電気株式会社 Optical filter module and optical amplifying device using the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0932068A2 (en) * 1998-01-23 1999-07-28 Fujitsu Limited Tunable optical filter
FR2774482A1 (en) * 1998-02-04 1999-08-06 Fujitsu Ltd Optical transmission line gain equalization

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
FRISKEN S ET AL: "Low-loss polarisation-independent dynamic gain-equalisation filter", OPTICAL FIBER COMMUNICATION CONFERENCE. TECHNICAL DIGEST POSTCONFERENCE EDITION. TRENDS IN OPTICS AND PHOTONICS VOL.37; 7-10 MARCH 2000 BALTIMORE, MD, USA, vol. 2, 7 March 2000 (2000-03-07), WASHINGTON, DC, USA, pages 251 - 253, XP002330641 *
See also references of WO0227370A1 *

Also Published As

Publication number Publication date
AU2000255111A1 (en) 2002-04-08
WO2002027370A1 (en) 2002-04-04
EP1305661A1 (en) 2003-05-02

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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: 20030127

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

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: BOOKHAM TECHNOLOGY PLC

RIC1 Information provided on ipc code assigned before grant

Ipc: 7G 02B 27/28 B

Ipc: 7G 02B 5/30 B

Ipc: 7G 02F 1/09 B

Ipc: 7H 04B 10/17 B

Ipc: 7G 02F 1/095 B

Ipc: 7G 02F 1/19 B

Ipc: 7G 02B 26/02 B

Ipc: 7G 02B 5/20 B

Ipc: 7G 02B 6/293 A

A4 Supplementary search report drawn up and despatched

Effective date: 20050624

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: BOOKHAM TECHNOLOGY PLC

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: 20050830