Single optical phase array and photosensing system including the same

The present disclosure relates to a single OPA (optical phased array) device including a light source; a waveguide which extends from the light source to allow light incident from the light source to pass through; a plurality of modulators which is disposed in the waveguide to modulate a phase of li...

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Bibliographische Detailangaben
Hauptverfasser:	Choi, Byoung Lyong, Gu, Tae Jun, Whang, Dongmok, Moon, Sung Won
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 FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	The present disclosure relates to a single OPA (optical phased array) device including a light source; a waveguide which extends from the light source to allow light incident from the light source to pass through; a plurality of modulators which is disposed in the waveguide to modulate a phase of light in the waveguide; a two-dimensional material layer which passes or absorbs light incident from the light source; and an electrode which supplies charges to the two-dimensional material layer, in which the light incident from the light source passes through the two-dimensional material layer, the waveguide, and the modulator and is reflected by an external target of the single OPA device to pass through the modulator and the waveguide, and then absorbed by the two-dimensional material layer.