Title :
Signal-LO frequency offset tolerance under tight filtering for PM-QPSK using all-digital compensation
Author :
Arabaci, M. ; Malouin, C. ; Bo Zhang ; Thomas, Paul ; Schmidt, Ted ; Marcoccia, R.
Author_Institution :
Juniper Networks, Sunnyvale, CA, USA
Abstract :
We investigate the signal-LO frequency offset tolerance of PM-QPSK under tight filtering using all-digital compensation. For frequency offsets of 0.32× symbol rate, the additional receiver electrical bandwidth can be as low as 0.13× symbol rate.
Keywords :
filtering theory; low-pass filters; optical filters; optical receivers; quadrature phase shift keying; PM-QPSK; Polarization-multiplexed quadrature phase shift keying; all-digital compensation; electrical filtering; optical filter; receiver electrical bandwidth; signal-LO frequency offset tolerance; symbol rate; Bandwidth; Equalizers; Optical filters; Optical noise; Receivers; Signal to noise ratio;
Conference_Titel :
Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013
Conference_Location :
Anaheim, CA
Print_ISBN :
978-1-4799-0457-0
