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We present a low-phase noise microwave oscillator based on a version of an optical fiber optoelectronic oscillator that employs self-injection of a resonant tunneling diode oscillator, integrated with a photo-detector, that drives a laser diode.
We report on optical injection-locking of a microwave-photonic oscillator based on the integration of a resonant tunneling diode optical waveguide photodetector with a communication laser diode. The oscillator locking was achieved with in-fiber optical powers as low as 0.2 mW, and locking ranges up to 23.8 MHz for in-fiber optical power of few milliwatts and with phase-noise suppression below -110...
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