Title :
Highly-sensitive coherent optical detection of M-ary frequency-shift keying signal
Author :
Kikuchi, Kazuro ; Osaki, Masayuki
Author_Institution :
Dept. of Electr. Eng. & Inf. Syst., Univ. of Tokyo, Tokyo, Japan
Abstract :
We demonstrate 256-ary frequency-shift keying modulation with digital coherent detection, aiming at applications to space communications. The receiver sensitivity as high as 3.5 photons per bit is obtained at the bit-error rate of 10-3.
Keywords :
error statistics; frequency shift keying; optical receivers; optical signal detection; M-ary frequency-shift keying signal; bit-error rate; coherent optical detection; digital coherent detection; receiver sensitivity; space communications; Frequency shift keying; OFDM; Optical modulation; Optical receivers; Optical transmitters; Photonics;
Conference_Titel :
Optical Communication (ECOC), 2011 37th European Conference and Exhibition on
Conference_Location :
Geneva
Print_ISBN :
978-1-4577-1918-9
