Spintronic optical device

An ultra-fast optical apparatus and methods for reading and writing optical intensities are disclosed. A shutter uses a spintronic device exploiting the quantum Faraday effect to sample or modulate the intensity of an optical data stream, preferably as bits in a digital data train. The methods set o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	DAVID B. SALZMAN
Format:	Patent
Sprache:	eng
Schlagworte:	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 COMMUNICATION TECHNIQUE ELECTRICITY FREQUENCY-CHANGING MULTIPLEX COMMUNICATION NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSMISSION
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Beschreibung
Zusammenfassung:	An ultra-fast optical apparatus and methods for reading and writing optical intensities are disclosed. A shutter uses a spintronic device exploiting the quantum Faraday effect to sample or modulate the intensity of an optical data stream, preferably as bits in a digital data train. The methods set or sample the intensity. A useful application of the methods and apparatus sets or samples optical intensities, taking or putting them, whether in optical or electrical form, optionally at a demultiplexed bus width or data rate. Optical logic, memory and communication devices and methods are disclosed.