Title :
Modified Gardner phase detector for Nyquist coherent optical transmission systems
Author :
Stojanovic, N. ; Changsong Xie ; Yu Zhao ; Bangning Mao ; Gonzalez, Neil ; Juan Qi ; Le Nguyen Binh
Author_Institution :
Eur. Res. Center, Huawei Technol. Duesseldorf GmbH, Munich, Germany
Abstract :
We present a novel timing recovery scheme based on a Gardner phase detector performing excellently in spectrally efficient Nyquist coherent optical systems. Good clock tone performance is obtained for QAM modulation formats and roll-off factor (ROF) values close to 0.
Keywords :
optical fibre networks; phase detectors; quadrature amplitude modulation; Nyquist coherent optical transmission systems; QAM modulation; ROF values; modified Gardner phase detector; roll-off factor; timing recovery scheme; Clocks; Detectors; Finite impulse response filters; Modulation; Nonlinear optics; Optical filters; Timing;
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
