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Probabilistically shaped PDM 4096-QAM transmission over up to 200 km of fiber using standard intradyne detection
Author(s) -
Samuel L. I. Olsson,
Junho Cho,
S. Chandrasekhar,
Xi Chen,
Peter J. Winzer,
Sergejs Makovejs
Publication year - 2018
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.26.004522
Subject(s) - optics , quadrature amplitude modulation , polarization division multiplexing , qam , multiplexing , optical fiber , transmission (telecommunications) , wavelength division multiplexing , raman amplification , physics , raman spectroscopy , raman scattering , telecommunications , bit error rate , computer science , channel (broadcasting) , wavelength
We demonstrate transmission of a probabilistically shaped polarization-division multiplexed 3-GBd 4096-QAM signal over up to 200 km of backward Raman amplified Corning® Vascade® EX2000 fiber. The 3-GBd signal with a root-raised-cosine roll-off of 0.01 has the potential to generate a spectral efficiency of 19.77 bit/s/Hz over 50 km of fiber.

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