Abstract
A novel method to generate optical ultra-wideband (UWB) doublet pulse using a semiconductor optical amplifier (SOA) and an optical delay line is investigated. First, a monocycle pulse is obtained based on gain saturation of a SOA. Secondly, the monocycle pulse is combined with a delayed Gaussian pulse to form a UWB doublet pulse. The positive and negative UWB doublet pulses with FCC mask can be generated by adjusting the time of the optical delay line. The method is simple and cost-effective since only a single laser and a SOA is required.
© 2013 Optical Society of America
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