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Electric control structure and electric control method for implementation of surface plasmon polariton photon modulation

A surface plasmon and photon technology, which is applied in the cross-application field of plasmon photonics and quantum information technology, can solve the problems of on-chip single-photon modulation, and achieve easy control of device morphology, large modulation depth, and structural compact effect

Inactive Publication Date: 2012-06-27
SHANGHAI DIANJI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, existing techniques are not well suited for on-chip single-photon modulation

Method used

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  • Electric control structure and electric control method for implementation of surface plasmon polariton photon modulation
  • Electric control structure and electric control method for implementation of surface plasmon polariton photon modulation

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Embodiment Construction

[0024] In order to make the content of the present invention clearer and easier to understand, the content of the present invention will be described in detail below in conjunction with specific embodiments and accompanying drawings.

[0025] see figure 1 , figure 1 It is a schematic diagram of the electrical control structure for realizing surface plasmon photon modulation in the embodiment of the present invention; as shown in the figure, the electrical control structure for realizing surface plasmon photon modulation according to the embodiment of the present invention includes: surface plasmon A waveguide 1, a semiconductor quantum dot luminous body 2, and a plurality of metal electrodes.

[0026] exist figure 1 In the example shown, the plurality of metal electrodes are shown as: two first metal electrodes 3 , two second metal electrodes 4 , and a third metal electrode 5 .

[0027] Wherein, the two first metal electrodes 3 , the two second metal electrodes 4 , and the ...

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Abstract

The invention provides an electric control structure and an electric control method for implementation of surface plasmon polariton photon modulation. The method for implementation of surface plasmon polariton photon modulation includes: making a semiconductor heterojunction and forming two-dimensional electron gas under the surface of the semiconductor heterojunction; preparing a metal nano wire on the surface of the semiconductor heterojunction to use the metal nano wire as a surface plasmon polariton waveguide; making a metal electrode close to the metal nano wire for controlling quantum dot properties, wherein the metal electrode forms quantum dot luminophor in the two-dimensional electron gas after being powered; and adjusting voltage of the metal electrode to control the control quantum dot properties.

Description

technical field [0001] The present invention relates to the cross-application field of surface plasmon photonics and quantum information technology, and more specifically, the present invention relates to an electrical control method for realizing surface plasmon photon modulation. Background technique [0002] The surface plasmon is a kind of propagating excitons formed by the combination of the charge density wave and the electromagnetic mode of the conductor surface originating from the collective oscillation of free electrons. [0003] Like conventional dielectric fibers, the broad-spectrum continuum mode of surface plasmons is confined to the metal wire and propagates along the axis of the wire. However, unlike conventional dielectric fibers, the surface plasmon modes localized in the cross-section of the wire have a size comparable to the wire diameter. This means that surface plasmons can break through the diffraction limit, and can achieve localization and control o...

Claims

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Application Information

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IPC IPC(8): H01L33/06H01L33/00B82Y30/00B82Y40/00B82Y20/00
Inventor 钟旭
Owner SHANGHAI DIANJI UNIV
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