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We demonstrate an on-chip thermal-tuned optical pulse shaper based on the four-path finite impose response (FIR). Four typical waveform are demonstrated by tuning the phase and amplitude of each path.
We demonstrate a multifunctional photonic differentiation (DIFF) using a phase modulator and two delay interferometers (DIs), including 1st order intensity DIFF, 1st order field DIFF and its inversion, 2nd order field DIFF.
We theoretically and experimentally demonstrate a scheme to implement bipolar millimeter-wave (MMW) ultrawideband (UWB) monocycles using a nonlinear optical loop mirror (NOLM). A 20-GHz optical clock as the probe light and a Gaussian pulse as the pump light are launched into the NOLM for cross-phase modulation (XPM). At the reflection and transmission ports of the NOLM, a pair of polarity-reversed...
We experimentally demonstrate an arbitrary-order bandwidth-tunable differentiator using a programmable optical pulse shaper, which is based on spatial diffraction and liquid crystal modulation. The impact of bandwidth of optical pulse shaper on output power and pulsewidth of differentiation is theoretically analyzed. In the experiment, all first-order, second-order, and third-order differentiators...
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