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Nano-second speed optical switches and filters fabricated in epitaxially grown (Pb, La)(Zr, La)O3 (PLZT) waveguides are reported. The optical switches including 1×2, 2×2, and 1×16 ports have switching time less than 10 ns and the AWG based 8×1 wavelength filter has 15 ns switching time. A PLZT buried waveguide is successfully developed to minimize insertion loss and polarization dependence in the...
A real-time THz comb time-domain spectroscopy was demonstrated to have a maximum time delay and resolution of 10 ns and 100 MHz, respectively. We also demonstrated real-time THz measurements in both time and frequency domains.
A real-time terahertz time-domain spectroscopy (THz-TDS) system based on the ASOPS technique was demonstrated. The THz TDS system had a maximum time delay of 10 ns, corresponding to a 3 m-long time delay, and a maximum frequency resolution of 100 MHz. For single-scanning measurements, we demonstrated real-time THz measurements in both time and frequency domains. The typical signal-to-noise ratio (SNR)...
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