Title :
Cascaded ROADM Tolerance of mQAM optical signals employing nyquist shaping
Author :
Filer, Mark ; Tibuleac, Sorin
Author_Institution :
ADVA Opt. Networking, Norcross, GA, USA
Abstract :
Tolerance to cascaded WSS filtering is studied for QPSK, 8QAM, and 16QAM formats operating at 32 GBaud. Channel spacing, WSS filter shape, and DSP parameters are considered, and recommendations are made for performance optimization using methods which are practically implementable in modern hardware.
Keywords :
Nyquist criterion; multiplexing; optical fibre communication; optical filters; optical modulation; quadrature amplitude modulation; 16QAM; 8QAM; DSP parameters; Nyquist shaping; QPSK; WSS filtering; cascaded ROADM tolerance; channel spacing; mQAM optical signals; Digital filters; Digital signal processing; Modulation; Optical filters; Optical transmitters; Shape; Standards;
Conference_Titel :
Photonics Conference (IPC), 2014 IEEE
Conference_Location :
San Diego, CA
DOI :
10.1109/IPCon.2014.6995347
