Abstract
For optical multiplexing and demultiplexing in ultrahigh-bit-rate optical time-division-multiplexed systems as well as optical processing there is a demand for sources of short pulses with low duty cycles. The implementation of direct modulation techniques based on high-speed modulators like the electroabsorption modulator (EAM) is practically very attractive, but with a single-pass modulator it is difficult to generate the low duty cycles required. So far, 6.3-ps pulses at 10 GHz with a 6% duty cycle have been achieved using an EAM in conjunction with chirp compensation.1 We demonstrate the application of linear and nonlinear techniques in order to further compress pulses generated by an EAM.
© 1996 Optical Society of America
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