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Challenges and Advances of Direct Detection Systems for DCI and Metro Networks

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Abstract

A 56-Gb/s NRZ direct detection system is demonstrated with record 15.5-dB (16.2-dB) OSNR sensitivity over 320-km (640-km) SMF. Furthermore, the challenges and recent advances of direct detection systems for DCIs and metro networks are reviewed.

© 2018 The Author(s)

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