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Signal recovery device and method suitable for quantum invisible transmission system

A teleportation and signal recovery technology, applied in the computer field, can solve problems such as limiting the practical application of quantum teleportation systems, and achieve the effects of enhancing real-time processing capabilities, improving the lack of large data cache space, and improving recovery speed.

Active Publication Date: 2020-03-31
STATE GRID SHANXI ELECTRIC POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the signal recovery calculation process requires a large amount of signal data, and a large amount of intermediate data will be generated during the calculation process, this will inevitably put forward great requirements on the data buffer capacity and data throughput rate in the data processing process. However, the computer and computer-based computing software are difficult to achieve in this regard, which greatly limits the practical application of quantum teleportation systems

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  • Signal recovery device and method suitable for quantum invisible transmission system
  • Signal recovery device and method suitable for quantum invisible transmission system
  • Signal recovery device and method suitable for quantum invisible transmission system

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Embodiment Construction

[0040] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0041] Such as figure 1 As shown, a signal recovery device suitable for quantum teleportation systems, the device includes: a beam splitter connected to the quantum transmission channel, a clock recovery module and a balanced zero-beat detector respectively connected to the beam splitter, and An amplifier connected to the balanced zero-beat detector, a splitter connected to the amplifier, a delay module connected to the splitter, and a high-speed analog-to-digital conversion connected to the clock recovery module and the delay module respectively (ADC, Analog-to-Digital Converter) sampling module, FGPA (Field Programmable Gate Array) internal logic module, FGPA (Field Programmable Gate Array) internal logic module includes a data synchronization unit, a data monitoring unit connected to the data processing unit unit, a control unit connected to the data moni...

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Abstract

The invention relates to the field of computers, the invention discloses a signal recovery device suitable for a quantum invisible transmission system. The device comprises: a beam splitter which is connected with the quantum transmission channel; a clock recovery module and a balance homodyne detector which are respectively connected with the beam splitter; an amplifier which is connected with the balance homodyne detector, a branching unit which is connected with the amplifier, a time delay module which is connected with the branching unit, and a high-speed analog-digital converter (ADC (analog-to-digital converter) sampling module which is connected with the clock recovery module and the time delay module; and an FGPA (Field Programmable Gate Array) internal logic module. The inventionfurther relates to a signal recovery method suitable for the quantum invisible transmission system.

Description

technical field [0001] The invention relates to the field of computers, in particular to a signal recovery device and method suitable for quantum teleportation systems. Background technique [0002] Quantum communication has been proven to have advantages that classical communication cannot surpass, for example, quantum communication has the characteristics of high efficiency, high speed, and absolute security. As an important element and basic structure of quantum communication, the quantum teleportation system can also be used as a quantum repeater to provide strong support for the construction of a quantum communication network. This transmission scheme can be promoted and applied to the transmission network of important businesses in industries such as electric power. . [0003] The quantum teleportation system uses a balanced zero-beat detector at the receiving end to perform photoelectric conversion on the signal. In order to ensure the recovery accuracy of the signal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B10/70H04J3/06
CPCH04B10/70H04J3/0638
Inventor 霍美如王慧芳樊磊屈蓓蓓李晶王美丽闫蕾芳江冰
Owner STATE GRID SHANXI ELECTRIC POWER