Title :
ADC bandwidth optimization for coherent optical detection in phase-modulated systems
Author :
Zhang, Shaoliang ; Chen, Jian ; Yu, Changyuan ; Rong, Weifeng ; Kam, Pooi Yuen
Author_Institution :
Department of Electrical & Computer Engineering, National University of Singapore, Singapore, 117576
Abstract :
We studied the impact of the bandwidth of an analog-to-digital converter (ADC) on coherent optical detection. The optimum bandwidth is found to be 0.5 times symbol rate for both RZ- and NRZ- PSK systems, different from the direct-detection counterparts.
Keywords :
Bandwidth; Digital signal processing; Finite impulse response filter; High speed optical techniques; Low pass filters; Optical detectors; Optical filters; Optical receivers; Optical signal processing; Phase detection;
Conference_Titel :
Communications and Photonics Conference and Exhibition (ACP), 2009 Asia
Conference_Location :
Shanghai, China
Print_ISBN :
978-1-55752-877-3
Electronic_ISBN :
978-1-55752-877-3
