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

Zhenwei Yang, Yifan Sun, Pengyun Li, Xiong Zhang, Xinbing Song*, Xiangdong Zhang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

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.

Original languageEnglish
Article number065008
JournalAIP Advances
Volume6
Issue number6
DOIs
Publication statusPublished - 1 Jun 2016

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Yang, Z., Sun, Y., Li, P., Zhang, X., Song, X., & Zhang, X. (2016). Experimental realization of the analogy of quantum dense coding in classical optics. AIP Advances, 6(6), Article 065008. https://doi.org/10.1063/1.4954034