AU2001270309A1 - Optical routing switch using symmetric liquid crystal cells - Google Patents

Optical routing switch using symmetric liquid crystal cells

Info

Publication number
AU2001270309A1
AU2001270309A1 AU2001270309A AU7030901A AU2001270309A1 AU 2001270309 A1 AU2001270309 A1 AU 2001270309A1 AU 2001270309 A AU2001270309 A AU 2001270309A AU 7030901 A AU7030901 A AU 7030901A AU 2001270309 A1 AU2001270309 A1 AU 2001270309A1
Authority
AU
Australia
Prior art keywords
liquid crystal
crystal cells
routing switch
optical routing
symmetric liquid
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.)
Abandoned
Application number
AU2001270309A
Inventor
Jian-Yu Liu
Chongchang Mao
Kuang-Yi Wu
Ming Xu
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.)
Chorum Technologies Inc
Original Assignee
Chorum Technologies 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
Application filed by Chorum Technologies Inc filed Critical Chorum Technologies Inc
Publication of AU2001270309A1 publication Critical patent/AU2001270309A1/en
Abandoned 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
    • 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
    • G02B6/27—Optical coupling means with polarisation selective and adjusting means
    • G02B6/2706—Optical coupling means with polarisation selective and adjusting means as bulk elements, i.e. free space arrangements external to a light guide, e.g. polarising beam splitters
    • G02B6/2713—Optical coupling means with polarisation selective and adjusting means as bulk elements, i.e. free space arrangements external to a light guide, e.g. polarising beam splitters cascade of polarisation selective or adjusting operations
    • G02B6/272—Optical coupling means with polarisation selective and adjusting means as bulk elements, i.e. free space arrangements external to a light guide, e.g. polarising beam splitters cascade of polarisation selective or adjusting operations comprising polarisation means for beam splitting and combining
    • 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
    • G02B6/27—Optical coupling means with polarisation selective and adjusting means
    • G02B6/2753—Optical coupling means with polarisation selective and adjusting means characterised by their function or use, i.e. of the complete device
    • G02B6/2766—Manipulating the plane of polarisation from one input polarisation to another output polarisation, e.g. polarisation rotators, linear to circular polarisation converters
    • 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 
    • G02F1/13—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 liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
    • G02F1/13471—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells in which all the liquid crystal cells or layers remain transparent, e.g. FLC, ECB, DAP, HAN, TN, STN, SBE-LC cells
    • 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
    • G02F1/29—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 position or the direction of light beams, i.e. deflection
    • G02F1/31—Digital deflection, i.e. optical switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/021—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM]
    • H04J14/0212—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM] using optical switches or wavelength selective switches [WSS]
    • 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
    • H04Q2011/0007—Construction
    • H04Q2011/0026—Construction using free space propagation (e.g. lenses, mirrors)
    • 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
    • H04Q2011/0035—Construction using miscellaneous components, e.g. circulator, polarisation, acousto/thermo optical
    • 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
    • H04Q2011/0039—Electrical control
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Liquid Crystal (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
AU2001270309A 2000-07-21 2001-07-05 Optical routing switch using symmetric liquid crystal cells Abandoned AU2001270309A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09621634 2000-07-21
US09/621,634 US6519022B1 (en) 1997-04-02 2000-07-21 Optical routing switch using symmetric liquid crystal cells
PCT/US2001/021535 WO2002009335A1 (en) 2000-07-21 2001-07-05 Optical routing switch using symmetric liquid crystal cells

Publications (1)

Publication Number Publication Date
AU2001270309A1 true AU2001270309A1 (en) 2002-02-05

Family

ID=24490966

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001270309A Abandoned AU2001270309A1 (en) 2000-07-21 2001-07-05 Optical routing switch using symmetric liquid crystal cells

Country Status (3)

Country Link
US (1) US6519022B1 (en)
AU (1) AU2001270309A1 (en)
WO (1) WO2002009335A1 (en)

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US6735016B1 (en) 1999-09-15 2004-05-11 Spectraswitch, Inc. Electro-optically controllable polarization insensitive optical device
US20030175030A1 (en) * 2002-03-18 2003-09-18 Shuqiang Chen Re-configurable optical add/drop multiplexer module and method
CN100395575C (en) * 2002-10-10 2008-06-18 鸿富锦精密工业（深圳）有限公司 Photoswitch and photoswitch combination
US20060007386A1 (en) * 2003-02-21 2006-01-12 Extellus Usa Flat top tunable filter with integrated detector
US7355671B2 (en) * 2003-02-21 2008-04-08 Xtellus Inc. Fabrication method for liquid crystal cell
US7352428B2 (en) * 2003-02-21 2008-04-01 Xtellus Inc. Liquid crystal cell platform
US20110043742A1 (en) * 2003-02-21 2011-02-24 Cavanaugh Shanti A Contamination prevention in liquid crystal cells
US6943768B2 (en) * 2003-02-21 2005-09-13 Xtellus Inc. Thermal control system for liquid crystal cell
US7009680B2 (en) * 2003-06-02 2006-03-07 Xtellus Inc. Narrow band tunable filter with integrated detector
US7072113B2 (en) * 2003-10-07 2006-07-04 Rene Helbing Wavelength selective switching device and method for selectively transmitting optical signals based on wavelength
US20070206155A1 (en) * 2006-03-03 2007-09-06 Real D Steady state surface mode device for stereoscopic projection
US8094979B2 (en) * 2007-08-08 2012-01-10 Teliswitch Solutions Ltd. Polarization-based optical switching
US8184215B2 (en) 2010-08-17 2012-05-22 Lc-Tec Displays Ab High-speed liquid crystal polarization modulator
US9229139B2 (en) * 2012-01-19 2016-01-05 Lc-Tec Displays Ab Enhanced vision system implemented with optical shutter alternately transmitting visible radiation and near infrared radiation
WO2013109979A1 (en) * 2012-01-19 2013-07-25 Lc-Tec Displays Ab Rapid switching optical shutter alternately transmitting visible radiation and near infrared radiation
US11468639B2 (en) * 2015-02-20 2022-10-11 Microsoft Technology Licensing, Llc Selective occlusion system for augmented reality devices
US10439302B2 (en) 2017-06-08 2019-10-08 Pct International, Inc. Connecting device for connecting and grounding coaxial cable connectors

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US4919522A (en) 1988-02-25 1990-04-24 Geo-Centers, Inc. Optical switch having birefringent element
US5136671A (en) 1991-08-21 1992-08-04 At&T Bell Laboratories Optical switch, multiplexer, and demultiplexer
US5381250A (en) 1992-11-06 1995-01-10 Displaytech, Inc. Electro-optical switch with 4 port modules with electro-optic polarization rotators
JPH0746633A (en) * 1993-02-23 1995-02-14 Fujitsu Ltd Polarization control type spatical optical switch
US5363228A (en) 1993-03-05 1994-11-08 General Electric Company Optical device with spatial light modulators for switching arbitrarily polarized light
US5414541A (en) 1993-06-01 1995-05-09 Bell Communications Research, Inc. Optical switch employing first and second ferroelectric cells with alignment layers having alignment directions offset by 45°
US5414540A (en) * 1993-06-01 1995-05-09 Bell Communications Research, Inc. Frequency-selective optical switch employing a frequency dispersive element, polarization dispersive element and polarization modulating elements
US5488500A (en) 1994-08-31 1996-01-30 At&T Corp. Tunable add drop optical filtering method and apparatus
US5596661A (en) 1994-12-28 1997-01-21 Lucent Technologies Inc. Monolithic optical waveguide filters based on Fourier expansion
US5680490A (en) 1995-09-08 1997-10-21 Lucent Technologies Inc. Comb splitting system and method for a multichannel optical fiber communication network
US5771120A (en) * 1995-12-26 1998-06-23 Lucent Technologies Inc. Optical apparatus with combined polarization functions
US5606439A (en) 1996-04-10 1997-02-25 Macro-Vision Technology , Inc. Tunable add/drop optical filter
US6005697A (en) * 1996-07-23 1999-12-21 Macro-Vision Communications, L.L.C. Multi-wavelength cross-connect optical network
US5912748A (en) * 1996-07-23 1999-06-15 Chorum Technologies Inc. Switchable wavelength router
US5867291A (en) * 1996-10-29 1999-02-02 Chorum Technologies Inc. Programmable 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
US6097518A (en) 1996-10-29 2000-08-01 Chorum Technologies Inc. N x M optical wavelength routing switch
US6208442B1 (en) * 1998-03-26 2001-03-27 Chorum Technologies, Inc. Programmable optical multiplexer
US6285478B1 (en) * 1998-03-26 2001-09-04 Chorum Technologies Lp Programmable optical add/drop device
CN1060572C (en) 1996-11-13 2001-01-10 陈祖培 Pyrometric cone high density wave divided multiplexing device
US5946116A (en) 1997-04-02 1999-08-31 Wu; Kuang-Yi 1 X N digitally programmable optical routing switch
US6049404A (en) * 1997-04-02 2000-04-11 Macro-Vision Communications Inc. N+M digitally programmable optical routing switch

Also Published As

Publication number Publication date
US6519022B1 (en) 2003-02-11
WO2002009335A1 (en) 2002-01-31

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