A Broadband Infrared Isolation Component with Adjustable Frequency

An isolation component and broadband technology, applied in the field of broadband infrared isolation components, can solve the problems of high cost of optical isolation components, non-adjustable working frequency band, and difficult integration, etc., and achieve the effects of enhanced interaction, good electrostatic control performance, and good isolation performance

Active Publication Date: 2020-02-14
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Aiming at the above-mentioned prior art, the present invention provides a frequency-adjustable broadband infrared isolation element to solve the problems of high cost, large volume, difficult integration, high loss, low light transmittance, and non-adjustable working frequency band of the existing optical isolation element. question

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  • A Broadband Infrared Isolation Component with Adjustable Frequency
  • A Broadband Infrared Isolation Component with Adjustable Frequency
  • A Broadband Infrared Isolation Component with Adjustable Frequency

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Embodiment Construction

[0026] The technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. The described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0027] In the embodiment of the present invention, such as Figure 1~3 As shown, a broadband infrared isolation element with adjustable frequency is provided. The component consists of a silicon substrate, a metal grating, a dielectric film and a graphene layer from bottom to top; the graphene layer and the silicon substrate are respectively connected to the positive and negative electrodes of the power supply; Glyph-shaped hole, the angle between the "I"-shaped hole and the metal strip of the metal grating is 45°. Among ...

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Abstract

The invention discloses a broadband infrared isolation element with adjustable frequency, which belongs to the technical field of optical elements. The isolation element has a layered structure, from bottom to top, there are silicon substrate, metal grating, dielectric film and graphene layer, and the graphene layer and silicon substrate are respectively connected to the positive and negative electrodes of the power supply; among them, the graphene layer There are "I"-shaped holes on the top, and the angle between the "I"-shaped holes and the metal strips in the metal grating is 45°. Adopting the isolation element of the present invention can effectively solve the technical problems of high cost, large volume, difficult integration, high loss, low light transmittance and non-adjustable working frequency band of the existing optical isolation element.

Description

technical field [0001] The invention belongs to the technical field of optical components, and in particular relates to a broadband infrared isolation component with adjustable frequency. Background technique [0002] An optical isolator is similar to a diode in a circuit, allowing light to pass in one direction while blocking light traveling in the opposite direction. The optical isolator is a key device for optical information processing. It can effectively manage the propagation direction of optical signals and avoid interference and damage to light sources or other optical components caused by echoes in the optical path. It has important applications in the fields of optical interconnection and optoelectronic integrated devices. [0003] Conventional optical isolation elements generally use the Faraday effect of magneto-optic crystals, that is, after light passes through an optically active material under the action of a magnetic field, the polarization direction of the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B6/124
CPCG02B6/124
Inventor 刘志军李春雨吴志明蒋亚东
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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