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24 May 2005 Novel modulation formats for high-spectral efficiency optical transmission (Invited Paper)
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Abstract
We present two novel modulation formats, namely, optical differential 8-level phase-shift keying (OD8PSK) and differential polarization-phase-shift keying (DPolPSK) for high-spectral efficiency optical transmission. Both formats are constant-amplitude, tolerant to fiber nonlinearities, especially cross-phase modulation (XPM). Both formats use direct detection without the use of either active polarization control or phase locking at the receiver. DPolPSK also addresses practical use of polarization.
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Cheolhwan Kim, Yan Han, and Guifang Li "Novel modulation formats for high-spectral efficiency optical transmission (Invited Paper)", Proc. SPIE 5814, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications, (24 May 2005); https://doi.org/10.1117/12.606956
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