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Numerical Investigation of a Multi-Rate Coherent Burst-Mode PDM-QPSK Optical Receiver for Flexible Optical Networks
José Manuel Delgado MENDINUETA Hideaki FURUKAWA Satoshi SHINADA Naoya WADA
IEICE TRANSACTIONS on Communications
Publication Date: 2017/10/01
Online ISSN: 1745-1345
Type of Manuscript: Special Section PAPER (Joint Special Section on Opto-electronics and Communications for Future Optical Network)
coherent burst-mode receivers, flexible optical networks, optical packet switching, datacenter optical networks,
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We numerically investigate a PDM-QPSK multi-rate coherent burst-mode optical receiver capable of receiving 3 different line-rates, suitable for next generation optical networks such as hybrid optical circuit switching (OCS)/optical packet switching (OPS) networks, access networks and datacenter networks. The line-rate detection algorithm relies on a simple-to-generate optical header, it is based on the fast Fourier transform (FFT) which can be efficiently implemented with the Goertzel algorithm, and it is insensitive to polarization rotations and frequency offset. Numerically, we demonstrate that performance in terms of packet detection rate (PER) can be tailored by controlling the sizes of the packet header and the line-rate estimator.