Phase-locked dual-frequency microwave signal generation in an optoelectronic oscillator based on frequency mixing mutual injection
Zhenwei Fu,
Zhen Zeng,
Huan Tian
et al.
Abstract:An approach to generating stable phase-locked dual-frequency microwave signals is proposed and demonstrated based on a dual-passband optoelectronic oscillator (OEO). Mode gain competition is broken by employing frequency mixing mutual injection effect to realize phase locking between the two oscillation signals, which is achieved by applying a single-tone signal to a microwave mixer in the OEO cavity. In addition, a dual-loop configuration with balanced detection is utilized to ensure a high side mode suppress… Show more
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