Graphene based surface plasmon polariton electric-absorption light modulator

Graphene based surface plasmon polariton electric-absorption light modulator

The invention discloses a graphene based surface plasmon polariton electric-absorption light modulator.The graphene based surface plasmon polariton electric-absorption light modulator comprises a substrate, a first micro-nano waveguide, a second micro-nano waveguide, a dielectric layer, first single...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PANG CHENLEI, XU PENGFEI, LU HANGWEN, YANG QING, LIU XU
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 discloses a graphene based surface plasmon polariton electric-absorption light modulator.The graphene based surface plasmon polariton electric-absorption light modulator comprises a substrate, a first micro-nano waveguide, a second micro-nano waveguide, a dielectric layer, first single-layer graphene, a first electrode and a second electrode, wherein the first micro-nano waveguide and the second micro-nano waveguide are stacked on the substrate, the dielectric layer and the first single-layer graphene are located between the first micro-nano waveguide and the second micro-nano waveguide, and the first electrode and the second electrode are respectively connected with the first micro-nano waveguide and the second micro-nano waveguide and are used for exerting modulation voltage.At least one of the first micro-nano waveguide and the second micro-nano waveguide is a metal waveguide.The first single-layer graphene is located between one metal waveguide and the dielectric layer.One of the electrodes