Journal
OPTICS LETTERS
Volume 34, Issue 9, Pages 1312-1314Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.34.001312
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- Natural Sciences and Engineering Research Council of Canada (NSERC)
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We propose and demonstrate a simple method to generate ultrawideband (UWB) pulses in the optical domain using a chirped intensity modulator and an asymmetric Mach-Zehnder interferometer (AMZI). Polarity- and shape-switchable UWB Gaussian monocycle, doublet, and triplet pulses with fractional bandwidths of 158%, 134%, and 100% and center frequencies of 6.52, 9.78, and 10.1 GHz are experimentally generated by controlling the dc bias of the intensity modulator and adjusting the polarization controller in the AMZI. (C) 2009 Optical Society of America
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