Experimental realization of the analogy of quantum dense coding in classical optics | Zendy

Zhenwei Yang | Zendy; Yifan Sun | Zendy; Pengyun Li | Zendy; Xiong Zhang | Zendy; Xin-Bing Song | Zendy; Xiangdong Zhang | Zendy

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Experimental realization of the analogy of quantum dense coding in classical optics

Author(s) -

Zhenwei Yang,

Yifan Sun,

Pengyun Li,

Xiong Zhang,

Xin-Bing Song,

Xiangdong Zhang

Publication year - 2016

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4954034

Subject(s) - analogy , quantum , photon , coding (social sciences) , realization (probability) , quantum optics , channel capacity , physics , quantum mechanics , quantum information science , photonics , computer science , quantum entanglement , channel (broadcasting) , mathematics , telecommunications , philosophy , linguistics , statistics

We report on the experimental realization of the analogy of quantum dense coding in classical optical communication using classical optical correlations. Compared to quantum dense coding that uses pairs of photons entangled in polarization, we find that the proposed design exhibits many advantages. Considering that it is convenient to realize in optical communication, the attainable channel capacity in the experiment for dense coding can reach 2 bits, which is higher than that of the usual quantum coding capacity (1.585 bits). This increased channel capacity has been proven experimentally by transmitting ASCII characters in 12 quaternary digitals instead of the usual 24 bits

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