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First Demonstration of 400Mb/s PAM4 Signal Transmission Over 10-meter Underwater Channel Using a Blue LED and a Digital Linear Pre-Equalizer

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A 400Mb/s PAM4 signal is experimentally generated and transmitted over 10-meter underwater channel at the BER level of 2 × 10−3 using a single blue LED and a simple digital linear pre-equalizer for the first time.

© 2017 Optical Society of America

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