Logic AND gate device based on graphene nano-strip waveguide coupled resonant cavities

Logic AND gate device based on graphene nano-strip waveguide coupled resonant cavities

The invention relates to a logic AND gate device based on graphene nano-strip waveguide coupled resonant cavities. The device comprises a silicon substrate, a sapphire layer arranged on the silicon substrate, a first graphene resonant cavity and a second graphene resonant cavity which are arranged o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LYU HAO, WANG BOYUN, YU HUAQING, XIONG LIANGBIN, DU JUN, ZENG QINGDONG
Format: Patent
Sprache:chi ; 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 invention relates to a logic AND gate device based on graphene nano-strip waveguide coupled resonant cavities. The device comprises a silicon substrate, a sapphire layer arranged on the silicon substrate, a first graphene resonant cavity and a second graphene resonant cavity which are arranged on the surface of the sapphire layer, a first graphene nano-strip waveguide which is directly coupledwith the first graphene resonant cavity, a second graphene nano-strip waveguide which is directly coupled with the first graphene resonant cavity and the second graphene resonant cavity, and a thirdgraphene nano-strip waveguide which is directly coupled with the second graphene resonant cavity, wherein the first graphene nano-strip waveguide, the second graphene nano-strip waveguide and the third graphene nano-strip waveguide are sequentially arranged along a first straight line; and the first graphene resonant cavity and the second graphene resonant cavity are arranged on the same side of the first straight line. Ac