Abstract
Optical time-division-multiplexing (OTDM) allows high data rates without high-speed electronics. in a pulse train, interference can occur between each pulse and the pedestal of nearby pulses. In OTDM multiplexers, environmental fluctuations result in variations of the pulse- pedestal relative phase prior to recomhination, yielding a slow modulation of the average power of the multiplexed data stream. The problem is alleviated if alternating polarization states are used; however, some demultiplexing schemes1 require uniformly polarized data streams.
© 2002 Optical Society of America
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