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Properties of Photon Counting System with Squeezed State Signal in Loss Channel
Seitetsu BUN Kouichi YAMAZAKI Osamu HIROTA Masao NAKAGAWA
IEICE TRANSACTIONS (1976-1990)
Publication Date: 1989/09/25
Print ISSN: 0000-0000
Type of Manuscript: LETTER
Category: Optical Communication
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This letter clarifies properties of system using squeezed state signal in photon channel with energy loss. It is found that error rate of squeezed state system is always superior to that of coherent state, and that reduction of optimum squeezing parameter is allowed by optimization taking into account loss in comparison with optimization of transmitter squeezed state.