Multi-channel transmission of quantum information

Multi-channel transmission of quantum information

  • CN 101,176,297 B
  • Filed: 04/25/2006
  • Issued: 09/03/2014
  • Est. Priority Date: 05/17/2005
  • Status: Active Grant
First Claim
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1. for a communication system for transmission of quantum information, comprise the transmitter that is coupled to receiver through transmission link, wherein:

  • Described transmitter comprises the first light source that is coupled to the first optical modulator, and wherein said the first optical modulator is suitable for modulating the light being generated by the first light source to generate the quantum information QI signal that is applied to transmission link;

    WithDescribed receiver comprises the secondary light source that is coupled to the second optical modulator, wherein;

    Described the second optical modulator is suitable for modulating the light being generated by secondary light source to generate local oscillator LO signal;

    Described receiver is configured to, by described LO signal and the QI signal combination receiving through transmission link, to produce interference signal, and determine the quantum information by described QI signaling bearer based on described interference signal.

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