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An approach to generate high-linearity low-phase-noise chirped microwave waveform based on rapidly-tunable optoelectronic oscillator is proposed and experimentally demonstrated. The tunabiliiy of the OEO is achieved by embedding an equivalent rapidly-tunable microwave filter in the opto-electronic cavity and frequency tuning rate of 1.17 GHz/μs is proved. The generated chirped microwave waveform,...
Nonlinear dynamics of a microwave optoelectronic oscillator was investigated for the first time with the use of time series analysis. The detailed study of the generated microwave waveforms showed a route from stable monochromatic oscillations to noise through a series of bifurcations. The oscillator demonstrated the periodic and chaotic dynamics in the intermediate regimes of self-generation. Peculiarities...
A photonic integrated circuit (PIC) to operate as a microwave waveform generator for linearly chirped microwave waveform (LCMW) generation is proposed. An LCMW with a temporal duration of 10 ps and a bandwidth of 12 GHz corresponding to a time-bandwidth product of 1.2×105 is generated.
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