WO2002086574A3 - Optical signal transmitter module with mems shutter as variable optical attenuator - Google Patents

Optical signal transmitter module with mems shutter as variable optical attenuator Download PDF

Info

Publication number
WO2002086574A3
WO2002086574A3 PCT/GB2002/001799 GB0201799W WO02086574A3 WO 2002086574 A3 WO2002086574 A3 WO 2002086574A3 GB 0201799 W GB0201799 W GB 0201799W WO 02086574 A3 WO02086574 A3 WO 02086574A3
Authority
WO
WIPO (PCT)
Prior art keywords
mems shutter
signal transmitter
transmitter module
optical
optical signal
Prior art date
Application number
PCT/GB2002/001799
Other languages
French (fr)
Other versions
WO2002086574A2 (en
Inventor
Anthony Alan Needham
Andrew Cannon Carter
Peter John Duthie
Colin Edge
Original Assignee
Bookham Technology Plc
Anthony Alan Needham
Andrew Cannon Carter
Peter John Duthie
Colin Edge
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, Anthony Alan Needham, Andrew Cannon Carter, Peter John Duthie, Colin Edge filed Critical Bookham Technology Plc
Priority to AU2002251306A priority Critical patent/AU2002251306A1/en
Publication of WO2002086574A2 publication Critical patent/WO2002086574A2/en
Publication of WO2002086574A3 publication Critical patent/WO2002086574A3/en

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
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • 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
    • G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
    • G02B6/266—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting the optical element being an attenuator
    • 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
    • G02B6/3598—Switching means directly located between an optoelectronic element and waveguides, including direct displacement of either the element or the waveguide, e.g. optical pulse generation
    • 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
    • G02B6/351—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
    • G02B6/3512—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being reflective, e.g. mirror
    • G02B6/3518—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being reflective, e.g. mirror the reflective optical element being an intrinsic part of a MEMS device, i.e. fabricated together with the MEMS device
    • 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
    • G02B6/351—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
    • G02B6/353—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being a shutter, baffle, beam dump or opaque element
    • 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
    • G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
    • G02B6/3544—2D constellations, i.e. with switching elements and switched beams located in a plane
    • G02B6/3548—1xN switch, i.e. one input and a selectable single output of N possible outputs
    • G02B6/3552—1x1 switch, e.g. on/off switch
    • 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
    • G02B6/3582—Housing means or package or arranging details of the switching elements, e.g. for thermal isolation
    • 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

Abstract

An optical transmission module (10) for connection to an optical fibre (17) includes a laser (11), a waveguide (13) and at least one lens (15) mounted in a holder (23) for focusing light passing from the waveguide to at least one output for the optical fibre, the light beam diverging between the waveguide and adjacent lens and being subsequently focused into an optical fibre output, wherein a MEMS shutter assembly (21,121) is located in a diverging or converging portion of the light beam for attenuation of the optical output from the module.
PCT/GB2002/001799 2001-04-21 2002-04-18 Optical signal transmitter module with mems shutter as variable optical attenuator WO2002086574A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002251306A AU2002251306A1 (en) 2001-04-21 2002-04-18 Optical signal transmitter module with mems shutter as variable optical attenuator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0109839.1 2001-04-21
GB0109839A GB2374680A (en) 2001-04-21 2001-04-21 Optical signal transmitter module with MEMS shutter

Publications (2)

Publication Number Publication Date
WO2002086574A2 WO2002086574A2 (en) 2002-10-31
WO2002086574A3 true WO2002086574A3 (en) 2003-03-13

Family

ID=9913219

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2002/001799 WO2002086574A2 (en) 2001-04-21 2002-04-18 Optical signal transmitter module with mems shutter as variable optical attenuator

Country Status (3)

Country Link
AU (1) AU2002251306A1 (en)
GB (1) GB2374680A (en)
WO (1) WO2002086574A2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5138687A (en) * 1989-09-26 1992-08-11 Omron Corporation Rib optical waveguide and method of manufacturing the same
US5345521A (en) * 1993-07-12 1994-09-06 Texas Instrument Incorporated Architecture for optical switch
JPH07178112A (en) * 1993-12-22 1995-07-18 Toshiba Corp Laser apparatus
US6163643A (en) * 1998-08-12 2000-12-19 Lucent Technologies Inc. Micro-mechanical variable optical attenuator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5040862A (en) * 1990-05-07 1991-08-20 Corning Incorporated Method of trimming optical power
US5589933A (en) * 1994-10-24 1996-12-31 Photon Kinetics, Inc. Optical fiber test instrument with mechanically positioned attenuator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5138687A (en) * 1989-09-26 1992-08-11 Omron Corporation Rib optical waveguide and method of manufacturing the same
US5345521A (en) * 1993-07-12 1994-09-06 Texas Instrument Incorporated Architecture for optical switch
JPH07178112A (en) * 1993-12-22 1995-07-18 Toshiba Corp Laser apparatus
US6163643A (en) * 1998-08-12 2000-12-19 Lucent Technologies Inc. Micro-mechanical variable optical attenuator

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 10 30 November 1995 (1995-11-30) *
PERREGAUX G ET AL: "High-speed micro-electromechanical light modulation arrays", 1997 INTERNATIONAL CONFERENCE ON SOLID-STATE SENSORS AND ACTUATORS. DIGEST OF TECHNICAL PAPERS. TRANSDUCERS 97. CHICAGO, IL, JUNE 16 - 19, 1997. SESSIONS 3A1 - 4D3. PAPERS NO. 3A1.01 - 4D3.14P, INTERNATIONAL CONFERENCE ON SOLID-STATE SENSORS AND ACTU, vol. 2, 16 June 1997 (1997-06-16), pages 71 - 74, XP010240410, ISBN: 0-7803-3829-4 *

Also Published As

Publication number Publication date
WO2002086574A2 (en) 2002-10-31
AU2002251306A1 (en) 2002-11-05
GB0109839D0 (en) 2001-06-13
GB2374680A (en) 2002-10-23

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