29 January 2018 Kramers-Kronig coherent receiver
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We review the principles underpinning the Kramers-Kronig (KK) receiver operation and its various implementations. These include direct-detection based schemes, where the information-carrying signal is transmitted along with a CW field that is necessary for the implementation of the KK algorithm, as well as other schemes, where the CW is added at the receiver, owing to the availability of a local oscillator. Polarization-multiplexing with the KK receiver will also be discussed. Finally, an up-to-date review of the experimental implementations of KK transceiver solutions will be presented.
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Cristian Antonelli, Antonio Mecozzi, Mark Shtaif, Xi Chen, Sethumadhavan Chandrasekhar, Peter J. Winzer, "Kramers-Kronig coherent receiver", Proc. SPIE 10561, Next-Generation Optical Communication: Components, Sub-Systems, and Systems VII, 105610B (29 January 2018); doi: 10.1117/12.2297084; https://doi.org/10.1117/12.2297084

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