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1. WO2020112709 - FAST OPTICAL SWITCH

Publication Number WO/2020/112709
Publication Date 04.06.2020
International Application No. PCT/US2019/063150
International Filing Date 26.11.2019
IPC
G02F 1/313 2006.01
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices 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
29for the control of the position or the direction of light beams, i.e. deflection
31Digital deflection devices
313in an optical waveguide structure
G02B 6/14 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
10of the optical waveguide type
14Mode converters
CPC
G02B 6/14
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
10of the optical waveguide type
14Mode converters
G02F 1/3133
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices 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
29for the control of the position or the direction of light beams, i.e. deflection
31Digital deflection, ; i.e. optical switching
313in an optical waveguide structure
3132of directional coupler type
3133the optical waveguides being made of semiconducting materials
G02F 1/3134
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices 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
29for the control of the position or the direction of light beams, i.e. deflection
31Digital deflection, ; i.e. optical switching
313in an optical waveguide structure
3132of directional coupler type
3134controlled by a high-frequency electromagnetic wave component in an electric waveguide structure
G02F 1/3138
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices 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
29for the control of the position or the direction of light beams, i.e. deflection
31Digital deflection, ; i.e. optical switching
313in an optical waveguide structure
3137with intersecting or branching waveguides, e.g. X-switches and Y-junctions
3138the optical waveguides being made of semiconducting materials
G02F 2201/12
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
2201Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
12electrode
Applicants
  • KENT STATE UNIVERSITY [US]/[US]
  • VALEO VISION [FR]/[FR]
Inventors
  • JAKLI, Antal
  • GUIMARAES, Veridiana Garcia
  • SATHAYE, Kedar
  • WANG, Junren
Agents
  • KLINKO, Mark D.
Priority Data
62/772,66729.11.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) FAST OPTICAL SWITCH
(FR) COMMUTATEUR OPTIQUE RAPIDE
Abstract
(EN)
A fast optical switch includes a pair of liquid crystal films disposed between two transparent substrates. Each liquid crystal film includes an antiferroelectric liquid crystal doped with a dichroic dye. The switch may have a response time of less than 1 millisecond.
(FR)
Un commutateur optique rapide comprend une paire de films de cristaux liquides disposés entre deux substrats transparents. Chaque film de cristaux liquides comprend un cristal liquide antiferroélectrique dopé avec un colorant dichroïque. Le commutateur peut avoir un temps de réponse inférieur à 1 milliseconde.
Latest bibliographic data on file with the International Bureau