Title :
Ultra Long-Haul QPSK Transmission using a Digital Coherent Receiver
Author :
Savory, S.J. ; Gavioli, G. ; Mikhailov, V. ; Killey, R.I. ; Bayvel, P.
Author_Institution :
Univ. Coll. London, London
Abstract :
Digital coherent receivers have enabled ultra-long haul transmission of QPSK data. We outline the principles behind such receivers which have allowed 42.8 Gbit/s data to be transmitted over 6400 km of standard fiber without optical dispersion compensation.
Keywords :
light coherence; optical dispersion; optical modulation; optical receivers; quadrature phase shift keying; QPSK transmission; bit rate 42.8 Gbit/s; digital coherent receivers; optical dispersion compensation; Adaptive equalizers; Amplitude modulation; Digital signal processing; Optical fiber communication; Optical filters; Optical pulses; Optical receivers; Quadrature amplitude modulation; Quadrature phase shift keying; Signal processing algorithms; Coherent detection; Digital coherent receivers; Digital signal processing;
Conference_Titel :
IEEE/LEOS Summer Topical Meetings, 2007 Digest of the
Conference_Location :
Portland, OR
Print_ISBN :
1-4244-0926-8
Electronic_ISBN :
1099-4742
DOI :
10.1109/LEOSST.2007.4288307