GB2183866B - Optical fibre filter having tapered sections - Google Patents

Optical fibre filter having tapered sections

Info

Publication number: GB2183866B
Authority: GB; United Kingdom
Prior art keywords: optical fibre; fibre filter; tapered sections; tapered; sections
Prior art date: 1985-12-04
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.): Expired

Application number

GB8629036A

Other versions

GB2183866A (en

GB8629036D0 (en

Inventor

George Antony Georgiou

Anthony Christos Boucouvalas

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.)

General Electric Co PLC

Original Assignee

General Electric Co 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.)

1985-12-04

Filing date

1986-12-04

Publication date

1989-10-04

1986-12-04 Application filed by General Electric Co PLC filed Critical General Electric Co PLC

1987-01-14 Publication of GB8629036D0 publication Critical patent/GB8629036D0/en

1987-06-10 Publication of GB2183866A publication Critical patent/GB2183866A/en

1989-10-04 Application granted granted Critical

1989-10-04 Publication of GB2183866B publication Critical patent/GB2183866B/en

Status Expired legal-status Critical Current

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
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03638—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only
- G02B6/03644—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only arranged - + -
- 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
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
- G02B6/2552—Splicing of light guides, e.g. by fusion or bonding reshaping or reforming of light guides for coupling using thermal heating, e.g. tapering, forming of a lens on light guide ends
- 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
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2821—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
- G02B6/2835—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals formed or shaped by thermal treatment, e.g. couplers
- 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
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29331—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by evanescent wave coupling
- G02B6/29332—Wavelength selective couplers, i.e. based on evanescent coupling between light guides, e.g. fused fibre couplers with transverse coupling between fibres having different propagation constant wavelength dependency
- 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
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03605—Highest refractive index not on central axis
- G02B6/03611—Highest index adjacent to central axis region, e.g. annular core, coaxial ring, centreline depression affecting waveguiding

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Engineering & Computer Science (AREA)
Plasma & Fusion (AREA)
Optical Couplings Of Light Guides (AREA)

GB8629036A 1985-12-04 1986-12-04 Optical fibre filter having tapered sections Expired GB2183866B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB8529861A GB8529861D0 (en)	1985-12-04	1985-12-04	Concatenated coupler

Publications (3)

Publication Number	Publication Date
GB8629036D0 GB8629036D0 (en)	1987-01-14
GB2183866A GB2183866A (en)	1987-06-10
GB2183866B true GB2183866B (en)	1989-10-04

Family

ID=10589230

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB8529861A Pending GB8529861D0 (en)	1985-12-04	1985-12-04	Concatenated coupler
GB8629036A Expired GB2183866B (en)	1985-12-04	1986-12-04	Optical fibre filter having tapered sections

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
GB8529861A Pending GB8529861D0 (en)	1985-12-04	1985-12-04	Concatenated coupler

Country Status (3)

Country	Link
EP (1)	EP0248066A1 (en)
GB (2)	GB8529861D0 (en)
WO (1)	WO1987003701A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5177803A (en) *	1991-04-29	1993-01-05	Corning Incorporated	Coaxial optical fiber coupler transmitter-receiver apparatus and method of making same
FR2681438B1 (en) *	1991-09-16	1994-12-09	Alcatel Nv	METHOD FOR LIMITING THE LOSS OF COUPLING BETWEEN A SINGLE - MODE OPTICAL FIBER AND AN OPTICAL SYSTEM HAVING DIFFERENT MODE DIAMETERS RESPECTIVELY.
US5473714A (en) *	1994-04-29	1995-12-05	At&T Corp.	Optical fiber system using tapered fiber devices
US5479546A (en) *	1994-05-16	1995-12-26	Litton Systems, Inc.	Optimized non-linear effect tapered optical fiber interferometer/switch device
GB9803275D0 (en)	1998-02-16	1998-04-08	Univ Southampton	Optical fibre filters
GB9803709D0 (en) *	1998-02-20	1998-04-15	Univ Southampton	Polarisation insensitive transmissive fibre devices
US6282342B1 (en) *	1998-06-29	2001-08-28	Corning, Incorporated	Monolithic coaxial device
US6362916B2 (en)	1998-09-25	2002-03-26	Fiver Laboratories	All fiber gain flattening optical filter
CA2266195C (en)	1999-03-19	2004-12-21	Itf Optical Technologies Inc.-Technologies Optiques Itf Inc.	Optical clean-up filters and method of making the same
US6459526B1 (en)	1999-08-09	2002-10-01	Corning Incorporated	L band amplifier with distributed filtering

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1494535A (en) *	1976-10-26	1977-12-07	Post Office	Dielectric optical waveguides

1985
- 1985-12-04 GB GB8529861A patent/GB8529861D0/en active Pending
1986
- 1986-12-04 WO PCT/GB1986/000740 patent/WO1987003701A1/en not_active Application Discontinuation
- 1986-12-04 GB GB8629036A patent/GB2183866B/en not_active Expired
- 1986-12-04 EP EP19870900183 patent/EP0248066A1/en not_active Withdrawn

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1494535A (en) *	1976-10-26	1977-12-07	Post Office	Dielectric optical waveguides

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Electronic l *

Also Published As

Publication number	Publication date
GB8529861D0 (en)	1986-01-15
EP0248066A1 (en)	1987-12-09
WO1987003701A1 (en)	1987-06-18
GB2183866A (en)	1987-06-10
GB8629036D0 (en)	1987-01-14

Publication	Publication Date	Title
GB2185331B (en)	1989-10-25	Single mode optical fiber
GB8512386D0 (en)	1985-06-19	Optical fibre terminations
GB2180668B (en)	1989-08-31	Optical fibre splicing
GB8503506D0 (en)	1985-03-13	Optical fibres
GB8522316D0 (en)	1985-10-16	Optical fibre termination
GB8517036D0 (en)	1985-08-14	Optical fibre
GB8721860D0 (en)	1987-10-21	Optical fibre wave-lenght filter
GB8616992D0 (en)	1986-08-20	Optical fibres
GB8608092D0 (en)	1986-05-08	Optical fibre joint
GB8618062D0 (en)	1986-09-03	Optical fibres
GB2177518B (en)	1989-11-22	Optical fibre assembly
GB8531673D0 (en)	1986-02-05	Optical fibre units
GB2183866B (en)	1989-10-04	Optical fibre filter having tapered sections
GB8603638D0 (en)	1986-03-19	Optical fibre
GB8530506D0 (en)	1986-01-22	Optical fibres
GB2158263B (en)	1988-01-06	Optical fibre
GB8520947D0 (en)	1985-09-25	Optical fibre
GB8615513D0 (en)	1986-07-30	Fabricating optical fibre
GB8513771D0 (en)	1985-07-03	Tunable optical fibre filters
GB2261523B (en)	1993-12-08	Optical filters
GB2179172B (en)	1989-08-16	Optical fibre filters
GB8528884D0 (en)	1986-01-02	Optical fibre termination
GB8520946D0 (en)	1985-09-25	Optical fibre
GB8418912D0 (en)	1984-08-30	Optical fibre
GB8830221D0 (en)	1989-02-22	Optical fibre assembly

Legal Events

Date	Code	Title	Description
1991-07-31	PCNP	Patent ceased through non-payment of renewal fee