Mutual information in weak‐coherent‐state detection using a homodyne optical costas loop with different phase errors | Zendy

López Josue A. | Zendy; Garcia Edith | Zendy; Arvizu Arturo | Zendy; Mendieta Francisco J. | Zendy; Gallion Phillipe | Zendy; Conte Roberto | Zendy

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Mutual information in weak‐coherent‐state detection using a homodyne optical costas loop with different phase errors

Author(s) -

López Josue A.,

Garcia Edith,

Arvizu Arturo,

Mendieta Francisco J.,

Gallion Phillipe,

Conte Roberto

Publication year - 2013

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.27459

Subject(s) - direct conversion receiver , homodyne detection , physics , modulation (music) , phase modulation , mutual information , coherent states , phase (matter) , optics , microwave , phase shift keying , detector , electronic engineering , computer science , mathematics , phase noise , telecommunications , quantum , engineering , quantum mechanics , statistics , bit error rate , acoustics , channel (broadcasting)

A free‐space experimental set‐up for measuring the quadrature components of weak‐coherent‐state laser signals, based on a homodyne Costas loop configuration is presented. Loop parameters are optimized as a trade‐off between quantum and phase noises. Using binary phase‐shift‐keying modulation, measurements on the mutual information are presented for different photon numbers and phase errors. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:769–772, 2013; View this article online at wileyonlinelibrary.com. DOI: 10.1002/mop.27459

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