Abstract
A simple photonic scheme for generation of linear frequency modulated (LFM) THz pulses with large bandwidth is experimentally demonstrated based on an optical interferometer. We successfully generate linearly chirped THz pulses centered at 350 GHz, and featuring a bandwidth in excess of 40 GHz. The tunability of the THz center frequency is also investigated in the experiment. The time bandwidth product (TBWP) of the generated THz pulses is up to 340, which will have a potential in implementing high resolution radar sensing and imaging.
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