Synchronous Demodulation of Coherent 16-QAM with Feedforward Carrier Recovery

Ali AL-BERMANI; Christian WÖRDEHOFF; Sebastian HOFFMANN; Timo PFAU; Ulrich RÜCKERT; Reinhold NOÉ

doi:10.1587/transcom.E94.B.1794

IEICE Transactions on Communications

Online ISSN : 1745-1345
Print ISSN : 0916-8516

Joint Special Section on Opto-electronics and Communications for Future Optical Network

Synchronous Demodulation of Coherent 16-QAM with Feedforward Carrier Recovery

Ali AL-BERMANI, Christian WÖRDEHOFF, Sebastian HOFFMANN, Timo PFAU, Ulrich RÜCKERT, Reinhold NOÉ

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Keywords: optical communication, 16ary quadrature amplitude modulation, coherent communication, phase estimation, feedforward carrier recovery

JOURNAL RESTRICTED ACCESS

2011 Volume E94.B Issue 7 Pages 1794-1800

DOI https://doi.org/10.1587/transcom.E94.B.1794

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Abstract

We present the recovery of 2.5Gb/s synchronous 16-point quadrature amplitude modulation data in real-time for an linewidth-times-symbol-duration ratio of 0.00048 after transmission over 1.6 km standard single mode fiber.

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