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Conferences > NFOEC > 2009 > JWA > JWA17
  • Optical Fiber Communication Conference and National Fiber Optic Engineers Conference
  • OSA Technical Digest (CD) (Optica Publishing Group, 2009),
  • paper JWA17
  • •https://doi.org/10.1364/NFOEC.2009.JWA17

Influence of Filter Shape and Bandwidth on 44 Gb/s DQPSK Systems

Lei Zong, John Veselka, Harshad Sardesai, and Michael Frankel

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Abstract

Filter shape and bandwidth are studied for multiplexers/demultiplexers in DQPSK systems. Simulation shows both factors have strong impact on signal performance. In 50GHz spaced systems with 44Gb/s RZ-DQPSK signals, 2nd-order super-Gaussian filters outperform higher-order filters.

© 2009 Optical Society of America

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