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.
On Classes of Novel Quantum State for Attenuation Process
Tomohiko UYEMATSU Osamu HIROTA Kohichi SAKANIWA
IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/04/25
Print ISSN: 0000-0000
Type of Manuscript: LETTER
Category: Optical Communication
Full Text: PDF>>
For optical digital communications with energy loss, it is shown that there is a state which achieves much superior bit error rate than the Glauber coherent state even if the signal to quantum noise ratio is the same. Moreover, the lower bound for bit error rate is obtained.