System and method for processing mixed entanglement of continuously variable polarization and orbital angular momentum

A technology of orbital angular momentum and processing system, which is applied in the field of processing system of continuous variable polarization and orbital angular momentum mixed entanglement.
CN110658634BActive Publication Date: 2021-10-01XIAN INSTITUE OF SPACE RADIO TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
XIAN INSTITUE OF SPACE RADIO TECH
Publication Date
2021-10-01

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Abstract

The invention discloses a processing system and method for hybrid entanglement of continuous variable polarization and orbital angular momentum. The processing system includes: an HG01 mode entanglement unit for generating and outputting EPR entangled beam I and EPR entangled beam II; a polarization entanglement unit, It is used to receive the input EPR entangled beam Ⅰ, construct the polarization degree of freedom on the EPR entangled beam Ⅰ, obtain the beam Ⅲ and output it; the orbital angular momentum entanglement unit is used to receive the input EPR entangled beam Ⅱ, and construct it on the EPR entangled beam Ⅱ The orbital angular momentum degree of freedom is used to obtain and output beam IV; the Stokes parameter measurement unit is used to measure and verify the beam III and beam IV that are mixed and entangled with continuous variable polarization and orbital angular momentum. The invention realizes the generation and verification of the mixed entanglement of continuous variable polarization-orbital angular momentum.
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Description

technical field

[0001] The invention belongs to the field of quantum information and laser technology, and in particular relates to a processing system and method for mixing and entanglement of continuous variable polarization and orbital angular momentum. Background technique

[0002] Quantum entanglement is one of the important resources of quantum information science, which has quantum correlation properties that classical light fields do not have. Based on the quantum entanglement effect, the information is encoded, manipulated, transmitted and processed, which effectively guarantees the security of information communication and completes tasks that cannot be accomplished by traditional classical laser communication. Since the photon has multiple degrees of freedom, the manipulation and encoding of the multi-dimensional freedom of the photon can realize the ability of parallel transmission and processing of information, which can greatly increase the information carrying...

Claims

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