WO2000070379A1 - Amplitude tunable filter - Google Patents
Amplitude tunable filter Download PDFInfo
- Publication number
- WO2000070379A1 WO2000070379A1 PCT/US2000/011038 US0011038W WO0070379A1 WO 2000070379 A1 WO2000070379 A1 WO 2000070379A1 US 0011038 W US0011038 W US 0011038W WO 0070379 A1 WO0070379 A1 WO 0070379A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- overcladding
- cladding
- refractive index
- filter
- bands
- Prior art date
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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/02195—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for tuning the grating
- G02B6/02204—Refractive index modulation gratings, e.g. Bragg gratings characterised by means for tuning the grating using thermal effects, e.g. heating or cooling of a temperature sensitive mounting body
-
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/0208—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response
- G02B6/02085—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response characterised by the grating profile, e.g. chirped, apodised, tilted, helical
- G02B6/02095—Long period gratings, i.e. transmission gratings coupling light between core and cladding modes
-
- 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
- G02F1/011—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 in optical waveguides, not otherwise provided for in this subclass
- G02F1/0115—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 in optical waveguides, not otherwise provided for in this subclass in optical fibres
- G02F1/0118—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 in optical waveguides, not otherwise provided for in this subclass in optical fibres by controlling the evanescent coupling of light from a fibre into an active, e.g. electro-optic, overlay
-
- 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
- G02F1/0147—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 thermo-optic effects
-
- 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
- G02F2201/30—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 grating
- G02F2201/307—Reflective grating, i.e. Bragg grating
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00926331A EP1192492A1 (en) | 1999-05-17 | 2000-04-24 | Amplitude tunable filter |
CN00807593.XA CN1384924A (en) | 2000-04-24 | 2000-04-24 | Amplitude tunable filter |
AU44877/00A AU4487700A (en) | 1999-05-17 | 2000-04-24 | Amplitude tunable filter |
CA002372905A CA2372905A1 (en) | 1999-05-17 | 2000-04-24 | Amplitude tunable filter |
JP2000618762A JP2002544557A (en) | 1999-05-17 | 2000-04-24 | Amplitude adjustable filter |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13456599P | 1999-05-17 | 1999-05-17 | |
US60/134,565 | 1999-05-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000070379A1 true WO2000070379A1 (en) | 2000-11-23 |
Family
ID=22463933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2000/011038 WO2000070379A1 (en) | 1999-05-17 | 2000-04-24 | Amplitude tunable filter |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1192492A1 (en) |
JP (1) | JP2002544557A (en) |
AU (1) | AU4487700A (en) |
CA (1) | CA2372905A1 (en) |
WO (1) | WO2000070379A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1221629A1 (en) * | 2001-01-08 | 2002-07-10 | Alcatel | Fiber grating optical waveguide device and method of producing the device |
WO2003025639A2 (en) * | 2001-09-19 | 2003-03-27 | Cranfield University | Optical transmission device having a long period grating and an overcladding |
FR2830086A1 (en) * | 2001-09-27 | 2003-03-28 | Cit Alcatel | Filter used in wavelength division multiplexing or demultiplexing systems, has portion of fiber that is coated with material retained within confined space and adapted to exert pressure on Bragg grating to compress fiber portion |
WO2003087906A1 (en) * | 2002-04-17 | 2003-10-23 | Highwave Optical Technologies | Method for production of a tunable optical filter |
EP1596243A1 (en) * | 2004-05-15 | 2005-11-16 | LG Electronics Inc. | Optical true-time delay apparatus and manufacturing method thereof |
CN111338021A (en) * | 2020-03-19 | 2020-06-26 | 深圳大学 | Preparation method of electric control fiber grating |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5007705A (en) * | 1989-12-26 | 1991-04-16 | United Technologies Corporation | Variable optical fiber Bragg filter arrangement |
US5647039A (en) * | 1995-12-14 | 1997-07-08 | Lucent Technologies Inc. | Optical switching system and devices using a long period grating |
US5864641A (en) * | 1997-04-11 | 1999-01-26 | F&S, Inc. | Optical fiber long period sensor having a reactive coating |
US5898517A (en) * | 1995-08-24 | 1999-04-27 | Weis; R. Stephen | Optical fiber modulation and demodulation system |
US5912910A (en) * | 1996-05-17 | 1999-06-15 | Sdl, Inc. | High power pumped mid-IR wavelength systems using nonlinear frequency mixing (NFM) devices |
-
2000
- 2000-04-24 EP EP00926331A patent/EP1192492A1/en not_active Withdrawn
- 2000-04-24 AU AU44877/00A patent/AU4487700A/en not_active Abandoned
- 2000-04-24 CA CA002372905A patent/CA2372905A1/en not_active Abandoned
- 2000-04-24 WO PCT/US2000/011038 patent/WO2000070379A1/en not_active Application Discontinuation
- 2000-04-24 JP JP2000618762A patent/JP2002544557A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5007705A (en) * | 1989-12-26 | 1991-04-16 | United Technologies Corporation | Variable optical fiber Bragg filter arrangement |
US5898517A (en) * | 1995-08-24 | 1999-04-27 | Weis; R. Stephen | Optical fiber modulation and demodulation system |
US5647039A (en) * | 1995-12-14 | 1997-07-08 | Lucent Technologies Inc. | Optical switching system and devices using a long period grating |
US5912910A (en) * | 1996-05-17 | 1999-06-15 | Sdl, Inc. | High power pumped mid-IR wavelength systems using nonlinear frequency mixing (NFM) devices |
US5864641A (en) * | 1997-04-11 | 1999-01-26 | F&S, Inc. | Optical fiber long period sensor having a reactive coating |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1221629A1 (en) * | 2001-01-08 | 2002-07-10 | Alcatel | Fiber grating optical waveguide device and method of producing the device |
US6760518B2 (en) | 2001-01-08 | 2004-07-06 | Avanex Corporation | Fiber grating optical waveguide device |
WO2003025639A2 (en) * | 2001-09-19 | 2003-03-27 | Cranfield University | Optical transmission device having a long period grating and an overcladding |
WO2003025639A3 (en) * | 2001-09-19 | 2003-11-27 | Univ Cranfield | Optical transmission device having a long period grating and an overcladding |
FR2830086A1 (en) * | 2001-09-27 | 2003-03-28 | Cit Alcatel | Filter used in wavelength division multiplexing or demultiplexing systems, has portion of fiber that is coated with material retained within confined space and adapted to exert pressure on Bragg grating to compress fiber portion |
EP1298469A2 (en) * | 2001-09-27 | 2003-04-02 | Alcatel | Tuneable filter comprising an optical fibre with a Bragg grating |
EP1298469A3 (en) * | 2001-09-27 | 2003-07-23 | Alcatel | Tuneable filter comprising an optical fibre with a Bragg grating |
US7085439B2 (en) | 2001-09-27 | 2006-08-01 | Avanex Corporation | Tunable filter consisting of an optical fiber, and a corresponding method |
WO2003087906A1 (en) * | 2002-04-17 | 2003-10-23 | Highwave Optical Technologies | Method for production of a tunable optical filter |
FR2838834A1 (en) * | 2002-04-17 | 2003-10-24 | Highwave Optical Tech | Method of production of a tunable optical filter |
EP1596243A1 (en) * | 2004-05-15 | 2005-11-16 | LG Electronics Inc. | Optical true-time delay apparatus and manufacturing method thereof |
CN111338021A (en) * | 2020-03-19 | 2020-06-26 | 深圳大学 | Preparation method of electric control fiber grating |
Also Published As
Publication number | Publication date |
---|---|
EP1192492A1 (en) | 2002-04-03 |
AU4487700A (en) | 2000-12-05 |
JP2002544557A (en) | 2002-12-24 |
CA2372905A1 (en) | 2000-11-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6011886A (en) | Recoatable temperature-insensitive long-period gratings | |
EP0997764B1 (en) | Optical grating devices with adjustable chirp | |
EP0866574B1 (en) | Dispersion compensating optical fiber, and communication system comprising the same | |
EP0849231B1 (en) | Athermalized codoped optical waveguide device | |
US20030169987A1 (en) | Tunable microfluidic optical fiber devices and systems | |
US6097862A (en) | Optical fiber grating devices with enhanced sensitivity cladding for reconfigurability | |
US20030053783A1 (en) | Optical fiber having temperature independent optical characteristics | |
Koyamada | Numerical analysis of core-mode to radiation-mode coupling in long-period fiber gratings | |
EP0989426B1 (en) | Tapered optical fiber grating devices with variable index coatings for modifying guide properties of the fundamental mode | |
US6317538B1 (en) | Optical waveguide device and optical device having long-period grating | |
GB2354083A (en) | Temperature compensating long period optical fibre grating filter | |
EP1192492A1 (en) | Amplitude tunable filter | |
US6697541B1 (en) | Amplitude tunable filter | |
JP3353811B2 (en) | Optical device | |
CA2366985C (en) | Temperature compensated long period optical fiber grating filter | |
KR20010068798A (en) | Temperature compensated long period optical fiber grating filter using multi cladding structure | |
US6516118B1 (en) | Optical fiber suitable for producing doped-fiber amplifier gain equalizing filters | |
US6768824B2 (en) | Tunable polarizers | |
WO1999047955A1 (en) | Passively compensated optical fibers | |
US20020109907A1 (en) | Dynamic gain slope compensator | |
US7711224B1 (en) | Colorless multichannel tunable dispersion compensator | |
EP1243949A1 (en) | Optical filter device, method for tuning and communication system | |
CN1384924A (en) | Amplitude tunable filter | |
Chan et al. | Transfer-matrix method for the analysis of two parallel dissimilar nonuniform long-period fiber gratings | |
US20020181878A1 (en) | Dynamic chromatic dispersion control using coupled optical waveguides |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 00807593.X Country of ref document: CN |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT UA UG UZ VN YU ZA ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
ENP | Entry into the national phase |
Ref document number: 2372905 Country of ref document: CA Ref document number: 2372905 Country of ref document: CA Kind code of ref document: A Ref document number: 2000 618762 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2000926331 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWP | Wipo information: published in national office |
Ref document number: 2000926331 Country of ref document: EP |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 2000926331 Country of ref document: EP |