Xingyuan Xu

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In this paper, we proposed and experimentally demonstrated a novel bias drift free optoelectronic oscillator (OEO) based on Sagnac loop. In the experiment, we built a Sagnac loop as the modulator of OEO where a phase modulator was used to introduce non-reciprocity without bias drift problem. 10 GHz microwave signals with relatively pure spectrum were(More)
A dynamic compensation scheme based on fixed servo-control loop is proposed and demonstrated in the present paper to improve the long-term stability of the wideband and tunable optoelectronic oscillator. Low frequency reference is employed to monitor and extract the phase drift of the long fiber link. The frequency drift of the OEO is compensated by tuning(More)
In this letter, a self-oscillating triangular waveform generator based on an optoelectronic oscillator (OEO) was demonstrated. As a result, 5.35 GHz full-duty-cycle triangular pulse trains were generated via a phase modulator cascaded with a Mach-Zehnder interferometer. Microwave signals were also generated with phase noise of −124dBc/Hz at 10 kHz(More)
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