A DPSK Receiver With Enhanced CD Tolerance Through Optimized Demodulation and MLSE

We experimentally demonstrate that a differential phase-shift keying (DPSK) receiver employing a Mach-Zehnder delay interferometer (MZDI) with a bit delay of less than one bit combined with maximum likelihood sequence estimation can considerably enhance the tolerance to chromatic dispersion (CD). Fu...

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Veröffentlicht in:	IEEE photonics technology letters 2008-05, Vol.20 (10), p.818-820
Hauptverfasser:	Alfiad, M., van den Borne, D., Napoli, A., Koonen, A.M.J., de Waardt, H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Chromatic dispersion (CD) Delay Delay estimation Demodulation differential phase-shift keying (DPSK) Differential quadrature phase shift keying Dispersions Interferometers Mach-Zehnder delay interferometer (MZDI) Maximum likelihood estimation maximum likelihood sequence estimation (MLSE) Optical attenuators Optical interferometry Optical modulation Optical noise Optical receivers Photonics Receivers Sampling Signal to noise ratio Tolerances
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