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Doubling the ROADM Sites using Pairwise Coding for 4%-Guard-Band Superchannels

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Abstract

We propose pairwise coding to enhance a superchannel’s tolerance to non-idea ROADM filtering effect. Experimental results show that the number of ROADMs can be double in links with 4% guard-band superchannels.

© 2016 Optical Society of America

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