Spatial light modulator using charge coupled device with quantum wells

Spatial light modulator using charge coupled device with quantum wells

An electro-optical device comprising a CCD structure having charge wells, the charges therein being controlled by a modulating signal applied to said CCD structure. A multiple quantum well structure having quantum well regions associated with the charge wells of said CCD structure, the charges in th...

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Hauptverfasser: NICHOLS, KIRBY B, BURKE, BARRY E, GOODHUE, JR., WILLIAM D
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Sprache:eng
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BASIC ELECTRIC ELEMENTS
DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
FREQUENCY-CHANGING
NON-LINEAR OPTICS
OPTICAL ANALOGUE/DIGITAL CONVERTERS
OPTICAL LOGIC ELEMENTS
OPTICS
PHYSICS
SEMICONDUCTOR DEVICES
TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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creator NICHOLS
KIRBY B
BURKE
BARRY E
GOODHUE, JR.
WILLIAM D
description An electro-optical device comprising a CCD structure having charge wells, the charges therein being controlled by a modulating signal applied to said CCD structure. A multiple quantum well structure having quantum well regions associated with the charge wells of said CCD structure, the charges in the CCD charge wells determining the value of the electric fields at said quantum well regions and, hence, the electro-absorption effects at said quantum well regions. The intensity of an input electromagnetic wave signal directed through said electro-optical device is thereby spatially modulated by the electro-absorption effects at the quantum well regions of the multiple quantum well structure. A novel CCD structure using quantum well regions to form the charge wells thereof can be used as the CCD structure for controlling the electric fields at the multiple quantum well structure.
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subjects BASIC ELECTRIC ELEMENTS
DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
FREQUENCY-CHANGING
NON-LINEAR OPTICS
OPTICAL ANALOGUE/DIGITAL CONVERTERS
OPTICAL LOGIC ELEMENTS
OPTICS
PHYSICS
SEMICONDUCTOR DEVICES
TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
title Spatial light modulator using charge coupled device with quantum wells
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