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Free space light beam transceiving telescopic system

A telescopic system and free space technology, applied in the field of quantum communication, to achieve the effect of improving tolerance performance and system stability, and avoiding high cost

Active Publication Date: 2020-07-10
BEIJING ZHONGCHUANGWEI NANJING QUANTUM COMM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] This application provides a free-space beam transceiver telescopic system to solve the problem of direct connection and coupling between the beam transceiver telescopic system and the existing optical fiber system

Method used

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  • Free space light beam transceiving telescopic system
  • Free space light beam transceiving telescopic system
  • Free space light beam transceiving telescopic system

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Experimental program
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Embodiment Construction

[0022] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention. After reading the present invention, those skilled in the art Modifications to various equivalent forms of the present invention fall within the scope defined by the appended claims of the present application.

[0023] It should be noted that when an element is referred to as being “disposed on” another element, it may be directly on the other element or there may also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar exp...

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PUM

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Abstract

The invention provides a free space light beam transceiving telescopic system, and relates to the technical field of quantum communication. The light beam transceiving telescopic system comprises a receiver and a transmitter; the receiver comprises a light beam shrinking module and a receiver optical fiber coupler. The transmitter comprises a light beam expanding module and a transmitter optical fiber collimator. The light beam shrinking module comprises a first-stage beam shrinking unit and a second-stage beam shrinking unit, and the beam shrinking multiple of the first-stage beam shrinking unit is larger than that of the second-stage beam shrinking unit; the light beam expanding module comprises a first-stage beam expanding unit and a second-stage beam expanding unit, and the beam expanding multiple of the first-stage beam expanding unit is smaller than that of the second-stage beam expanding unit. According to the technical scheme, direct coupling connection between the light beam transceiving telescopic system and the existing optical fiber system can be realized.

Description

technical field [0001] The present application relates to the technical field of quantum communication, and in particular to a free-space optical beam transmitting and receiving telescopic system. Background technique [0002] Quantum communication technology is divided into optical fiber quantum communication and free space quantum communication due to different transmission channels. At present, the prerequisite for the construction of optical fiber quantum communication system is the need to establish optical fiber links, which limits the global development of quantum communication systems, cannot meet the communication needs of mobile end users, and cannot quickly complete the construction of communication links. The quantum communication system based on optical fiber will eventually Facing development bottlenecks, free-space quantum communication has advantages such as flexibility and dynamic networking, and is considered to be a better choice for realizing a global qua...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B6/26H04B10/40H04B10/70
CPCG02B6/262G02B6/264H04B10/40H04B10/70
Inventor 张国伟张蕴川董志鹏
Owner BEIJING ZHONGCHUANGWEI NANJING QUANTUM COMM TECH CO LTD
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