Conference Proceedings
Comparison of bandwidth expansion methods for optical transmission systems
T Pfau, B Krongold, SCJ Lee, N Kaneda
Technical Digest 2012 17th Opto Electronics and Communications Conference Oecc 2012 | Published : 2012
Abstract
PDM-QPSK and PDM-BPSK are compared against PS-QPSK and PQ-16PPM with equal bandwidth expansion factors. The results show that better sensitivity is achieved by using strong FEC codes on standard modulation formats rather than using high-sensitivity modulation formats. © 2012 IEEE.