Photonic crystals and photonic analog-to-digital converters

A system and method for quantizing a photonic signal (34, 56) involves passing it through a photonic crystal (30, 52) having a periodic structure with localized defects for splitting the photonic signal into a plurality of quantized photonic signal components (36, 38) and for directing the quantized...

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Bibliographische Detailangaben
1. Verfasser:	SODERBERG, JOHN JESSE
Format:	Patent
Sprache:	eng ; fre ; ger
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 FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	A system and method for quantizing a photonic signal (34, 56) involves passing it through a photonic crystal (30, 52) having a periodic structure with localized defects for splitting the photonic signal into a plurality of quantized photonic signal components (36, 38) and for directing the quantized photonic signals to a set of optical detectors (51); digital conversion of the photonic signal can occur by performing a threshold comparison of the quantized components, either in the electrical domain through comparators (57) or in the optical domain through optical limiters (72).