N-degree ROADM Architecture Comparison: Broadcastand-Select versus Route-and-Select in 120 Gb/s DP-QPSK Transmission Systems

• DOI: 10.1364/ofc.2014.th1i.2
• Publication Date: 2014-03-25T03:33:24Z
• Authors: M. Filer; S. Tibuleac
• Keywords: 0202 electrical engineering, electronic engineering, information engineering; 02 engineering and technology

ROADM systems utilizing 4- and 9-degree broadcast-and-select or route-and-select architectures are studied experimentally with 120 Gb/s DP-QPSK transmission. Effects arising from passband narrowing and crosstalk accumulation due to non-ideal WSS filtering are considered concurrently.