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Optical Control of a Resonant Tunneling Diode Microwave-Photonic Oscillator

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5 Author(s)
Bruno Romeira ; Centro de Electrónica, Optoelectrónica e Telecomunicações, Universidade do Algarve, Faro, Portugal ; José M. L. Figueiredo ; Charles N. Ironside ; Anthony E. Kelly
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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 dBc/Hz at 10-kHz frequency offset from the center frequency. The circuit's dynamics are well described as an optically controlled Liénard oscillator.

Published in:

IEEE Photonics Technology Letters  (Volume:22 ,  Issue: 21 )