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All‐optical OOK‐TO‐QPSK modulation format conversion based on XPM
Author(s) -
Duarte Vanessa C.,
Shahpari Ali,
Drummond Miguel V.,
Teixeira António,
Nogueira Rogério N.
Publication year - 2014
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.28121
Subject(s) - phase shift keying , amplitude and phase shift keying , keying , quadrature amplitude modulation , modulation (music) , amplitude shift keying , electronic engineering , on off keying , physics , phase modulation , cross phase modulation , phase noise , computer science , optics , telecommunications , engineering , bit error rate , acoustics , decoding methods
In this article, we propose and experimentally demonstrate all‐optical conversion of two nonreturn‐to‐zero on‐off‐keying signals at 10 and 20 Gb/s into 20 and 40 Gb/s quadrature phase shift keying signals. The presented modulation format converter relies on cross‐phase modulation in a highly nonlinear fiber. Simulation results are also presented, including the impact of amplitude‐to‐phase noise conversion, and show consistency with the experimental results. © 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:355–359, 2014