Title :
Near-optimal quantum state discrimination of optical coherent states
Author :
Wittmann, C. ; Takeoka, M. ; Cassemiro, K.N. ; Sasaki, M. ; Leuchs, G. ; Andersen, U.L.
Author_Institution :
Max-Planck Forschungsgruppe, Univ. Erlangen-Nurnberg, Erlangen
Abstract :
We experimentally demonstrate a new scheme for the discrimination of binary-encoded optical coherent states. We show that the average error probability of our approach beats the ones obtained by standard receiver schemes for any signal amplitude.
Keywords :
binary codes; error statistics; optical communication; quantum communication; quantum optics; binary-encoded; error probability; near-optimal quantum state discrimination; optical coherent states; signal amplitude; standard receiver schemes; Detectors; Displacement measurement; Error probability; Laser beams; Nonlinear optics; Optical attenuators; Optical feedback; Optical fiber polarization; Optical polarization; Optical receivers; 030.5260; 040.5570; 060.2920; 270.0270; 270.5565; 270.5570;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
