Title :
Coherent demodulation of differential 8-phase-shift keying with optical phase diversity and digital signal processing
Author :
Ly-Gagnon, Dany-Sevastien ; Katoh, Kazuhiro ; Kikuchi, Kazuro
Author_Institution :
Res. Center for Adv. Sci. & Technol., Tokyo Univ., Japan
Abstract :
Demodulation of differential 8-PSK is demonstrated with an optical phase-diversity receiver and a digital signal processing circuit to recover both the phase and amplitude of the optical carrier. The acceptable range of the laser linewidth is also investigated.
Keywords :
demodulation; light coherence; optical receivers; phase shift keying; signal processing; wavelength division multiplexing; coherent demodulation; differential 8-phase-shift keying; digital signal processing; laser linewidth; optical carrier; optical phase diversity; optical phase-diversity receiver; wavelength-division multiplexing; Circuits; Coils; Demodulation; Digital signal processing; Optical modulation; Optical receivers; Optical signal processing; Phase detection; Polarization; Stimulated emission;
Conference_Titel :
Lasers and Electro-Optics Society, 2004. LEOS 2004. The 17th Annual Meeting of the IEEE
Print_ISBN :
0-7803-8557-8
DOI :
10.1109/LEOS.2004.1363385