For Full-Text PDF, please login, if you are a member of IEICE,|
or go to Pay Per View on menu list, if you are a nonmember of IEICE.
Properties of Cutoff Rate for Photon Channels
Osamu HIROTA Kouichi YAMAZAKI Yota ENDO Masao NAKAGAWA Mikio TAKAHARA
IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/01/25
Print ISSN: 0000-0000
Type of Manuscript: LETTER
Category: Communication Theory
Full Text: PDF(207.5KB)>>
This letter clarifies properties of cutoff rate R0 of photon channels using coherent state and photon number state as quantum state of light. The relation between cutoff rate improvement and energy saving rate is found, when one uses the number state instead of coherent state.