DocumentCode
1824315
Title
Unrepeated 210-km transmission with coherent detection and digital signal processing of 20-Gb/s QPSK signal
Author
Ly-Gagnon, Dany-Sebastien ; Katoh, Kamhiro ; Kikuchi, Kazuro
Author_Institution
Res. Center for Adv. Sci. & Technol., Tokyo Univ., Japan
Volume
2
fYear
2005
fDate
6-11 March 2005
Abstract
We demonstrate an unrepeated transmission of 20-Gb/s QPSK. signals over 210 km using coherent detection and digital signal processing. Phase estimation of the homodyne-detected QPSK signal improves the bit-error rate performance compared to differential demodulation.
Keywords
error statistics; homodyne detection; optical fibre communication; optical modulation; phase estimation; quadrature phase shift keying; 20 Gbit/s; 210 km; bit-error rate performance; coherent detection; differential demodulation; digital signal processing; homodyne-detected QPSK signal; phase estimation; quadrature phase shift keying; Decoding; Demodulation; Digital signal processing; Optical modulation; Optical receivers; Optical sensors; Optical signal processing; Phase estimation; Quadrature phase shift keying; Signal processing;
fLanguage
English
Publisher
ieee
Conference_Titel
Optical Fiber Communication Conference, 2005. Technical Digest. OFC/NFOEC
Print_ISBN
1-55752-783-0
Type
conf
DOI
10.1109/OFC.2005.192657
Filename
1498393
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