All-optical switch based on rubidium-atom optical filter and method thereof

An all-optical switch, rubidium atom technology, applied in lasers, phonon exciters, laser parts and other directions, can solve the problem of no atomic filter all-optical switch, achieve a clear design principle, simple structure, easy to manufacture Effect

Inactive Publication Date: 2014-08-20
ZHEJIANG UNIV CITY COLLEGE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The existing all-optical switching technologies include nonlinear interferometer-type all-optical switches, optical bistable all-optical switches, light-limited all-optical switches, nanophotonics all-optical switches, liquid crystal all-optical switches, magneto-optical all-optical switches, optical Amplified all-optical switches, surface plasmon all-optical switches, etc., but there is no content, research, or report on all-optical switches based on atomic filters in the literature

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  • All-optical switch based on rubidium-atom optical filter and method thereof
  • All-optical switch based on rubidium-atom optical filter and method thereof
  • All-optical switch based on rubidium-atom optical filter and method thereof

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings and embodiments. While the invention will be described in conjunction with the preferred embodiments, it will be understood that it is not intended to limit the invention to the described embodiments. On the contrary, the invention is to cover alternatives, modifications and equivalents, which may be included within the scope of the invention as defined by the appended claims.

[0023] The Faraday anomalous dispersion atomic filter (abbreviated as the atomic filter) has the advantages of high transmittance, narrow bandwidth, and high sideband suppression ratio. There are important applications in deep spectroscopy, laser single-mode frequency stabilization, and so on.

[0024] The transmittance of the atomic filter is determined by the number of atoms in a certain volume that participates in the action. For the V-type energy level structure atoms, once another beam of la...

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Abstract

The invention discloses an all-optical switch based on a rubidium-atom optical filter and a method thereof. The all-optical switch based on the rubidium-atom optical filter comprises an alkali-metal rubidium-atom glass air chamber with a V-type energy level structure, two Glan-Taylor polarizers with the polarization directions perpendicular to each other and a stable magnetic field source used for generating a magnetic field with uniform intensity for the alkali-metal rubidium-atom glass air chamber, wherein the alkali-metal rubidium-atom glass air chamber, the two polarizers with the polarization directions perpendicular to each other and the stable magnetic field source form a standard atomic optical filter. The all-optical switch based on the rubidium-atom optical filter further comprises a 420 nm laser device serving as a control part of the all-optical switch of the atomic optical filter and a 780 nm laser device serving as a performance testing and application wavelength testing part of the all-optical switch of the rubidium-atom optical filter. The all-optical switch based on the rubidium-atom optical filter has the advantages of being clear in design principle, simple in structure, easy to manufacture, good in switching performance, stable in operation and long in service life.

Description

technical field [0001] The invention belongs to the field of laser all-optical switch technology and laser optics technology, and relates to an all-optical switch based on an atomic optical filter, in particular to an atomic optical filter all-optical switch based on a V-type energy level structure of rubidium atom Faraday anomalous dispersion effect. Optical switch and method thereof. Background technique [0002] All-optical switching is receiving more and more attention in many special fields, such as non-contact measurement and detection, optical communication under special conditions, and all-optical equipment and devices. The existing all-optical switching technologies include nonlinear interferometer-type all-optical switches, optical bistable all-optical switches, light-limited all-optical switches, nanophotonics all-optical switches, liquid crystal all-optical switches, magneto-optical all-optical switches, optical Amplified all-optical switches, surface plasmon al...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S3/10G02B27/28
Inventor 毕岗蔡春峰凌俐
Owner ZHEJIANG UNIV CITY COLLEGE
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