Directional coupling type electro-optical modulator based on surface plasmas

The invention discloses a directional coupling type electro-optical modulator based on surface plasmas. The directional coupling type electro-optical modulator based on the surface plasmas comprises asilicon dioxide substrate, a first silicon waveguide, a second silicon waveguide, an activation bloc...

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Bibliographische Detailangaben
Hauptverfasser:	HU CONG, DU SHEHUI, XU CHUANPEI, ZHU AIJUN, LIANG ZHIXUN
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 directional coupling type electro-optical modulator based on surface plasmas. The directional coupling type electro-optical modulator based on the surface plasmas comprises asilicon dioxide substrate, a first silicon waveguide, a second silicon waveguide, an activation block and an Au electrode. The first silicon waveguide is fixedly connected with the silicon dioxide substrate, and is positioned on the upper surface of the silicon dioxide substrate. The second silicon waveguide is fixedly connected with the silicon dioxide substrate, and is positioned on one side ofthe first silicon waveguide. The activation block is fixedly connected with the second silicon waveguide, and is located on one side away from the first silicon waveguide. The Au electrode is fixedlyconnected with the activation block, located in the activation block and located on one side close to the second silicon waveguide, and the second silicon waveguide is an L-shaped silicon waveguide and is suitable for an on-ch