Generalized L-out-of-K pulse position modulation for improved power efficiency and spectral efficiency

By combining multi-pulse pulse position modulation (PPM) with polarisation-switched QPSK (PS-QPSK) one can increase the spectral efficiency over simple PPM-PS-QPSK, or both the spectral efficiency and the asymptotic power efficiency over pure PS-QPSK.

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Bibliographic Details
Main Author: Nijhof, J. H. B.
Format: Conference Proceeding
Language:English
Subjects:
Optical modulation
Optical polarization
Optical pulses
Optical sensors
Optical switches
Phase shift keying
Online Access:Request full text
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Description
Summary:By combining multi-pulse pulse position modulation (PPM) with polarisation-switched QPSK (PS-QPSK) one can increase the spectral efficiency over simple PPM-PS-QPSK, or both the spectral efficiency and the asymptotic power efficiency over pure PS-QPSK.