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A method was proposed to efficiently separate radiations from a dual-frequency operation gyrotron. The operation modes TE02 and TE04 are converted into linearly polarized Gaussian beams, and the theoretical predictions of the power conversion efficiency are 85% for TE02 mode and 90% for TE04 mode, respectively. The linearly polarized beams with different frequencies are oblique incident toward a spatial...
We demonstrate thermo-optically tunable multiple-channel micro-ring resonators as an ultra-compact on-chip spectral shaper, and tunable multiple-ring all-pass filters as variable delay lines for photonic radio-frequency waveform generation. High quality radio-frequency pulsed signals were achieved.
We present a tunable multiple-channel microring resonator spectral shaper for radiofrequency arbitrary waveform generation (RFAWG). Sixteen resonators are cascaded to create various RF waveforms.
We demonstrate ultra-compact spectral shaping via thermo-optically tunable multiple-channel microring resonators on a silicon chip, and combine it with frequency-time mapping to achieve photonic radio-frequency arbitrary waveform generation (RFAWG).
We demonstrate a tunable filter based on an array of silicon-on-insulator microring resonators. The resonance wavelength, extinction ratio and bandwidth can be simultaneously controlled by thermal tuning.
We demonstrate ultra-compact spectral shaping via thermo-optically tunable multiple-channel microring resonators on a silicon chip, and combine it with frequency-time mapping to achieve photonic radio-frequency arbitrary waveform generation (RFAWG).
We demonstrate ultra-compact spectral shaping via thermo-optically tunable multiple-channel micro-ring resonators on a silicon chip, and combine it with frequency-time mapping to achieve controllable photonic radio-frequency waveform generation.
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