Title :
coherent demodulation of optical 8-phase shift-keying signals using homodyne detection and digital signal processing
Author :
Tsukamoto, Satoshi ; Katoh, Kazuhiro ; Kikuchi, Kazuro
Author_Institution :
Res. Center for Adv. Sci. & Technol., Tokyo Univ., Japan
Abstract :
We demonstrate coherent demodulation of optical 8-phase shift-keying signals for the first time. Since the carrier phase is estimated accurately through digital signal processing, the system performance is highly tolerant toward the carrier phase noise.
Keywords :
demodulation; homodyne detection; optical communication; optical modulation; optical signal detection; phase estimation; phase noise; phase shift keying; signal processing; carrier phase estimation; carrier phase noise; coherent demodulation; digital signal processing; homodyne detection; optical 8-phase shift-keying signals; Demodulation; Digital signal processing; Optical receivers; Optical sensors; Optical signal processing; Phase estimation; Phase noise; Phase shift keying; Signal detection; Signal processing;
Conference_Titel :
Optical Fiber Communication Conference, 2006 and the 2006 National Fiber Optic Engineers Conference. OFC 2006
Print_ISBN :
1-55752-803-9
DOI :
10.1109/OFC.2006.215902
