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We confirmed that an optical frequency-modulated signal can be transmitted through surface plasmon polaritons (SPPs) in a sample consisting of a gold film with a light/SPP coupler (coupling and decoupling gratings).
We describe a MEMS micromirror for modulation of X-ray pulses needed for critical time-resolved process studies of cyclical and far-from-equilibrium phenomena. This MEMS micromirror leverages grazing-angle reflection of X-ray pulses to generate its temporal modulation response. The generated responses are 1.5μs wide for 8keV X-rays and have been successfully used to isolate single X-ray pulses separated...
Multimode interference (MMI) waveguides-based photonic modulators integrated on silicon-on-insulator (SOI) substrates are designed, fabricated and evaluated. With 100% modulation depth achieved, the lowest rise and fall times were respectively measured to be 52 and 48 ns. The highest 3 dB bandwidth in the excess of 6.5 MHz was determined from the corresponding devices.
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