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

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Abstract

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.

© 2014 Optical Society of America

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