Bao-Sen Shi, Yun-Kun Jiang, Guang-Can Guo
Published 2000-06-08Version 1
In this paper, we present a scheme for quantum key distribution, in which different-frequency photons are used to encode the key. Thses different-frequency photons are produced by an acoustic-optical modulator and two kinds of narrow filters . This scheme may be implementable in practice.
Comments: 3 pages, to appear in Appl.Phys. B 70, 415-417 (2000)
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