A wideband frequency tunable optoelectronic oscillator incorporating a tunable microwave photonic filter based on a phase-shifted fiber Bragg grating

Wangzhe Li; Jianping Yao

doi:10.1117/12.905387

31 August 2011 A wideband frequency tunable optoelectronic oscillator incorporating a tunable microwave photonic filter based on a phase-shifted fiber Bragg grating

Wangzhe Li, Jianping Yao

Author Affiliations +

Proceedings Volume 8007, Photonics North 2011; 80070F (2011) https://doi.org/10.1117/12.905387
Event: Photonics North 2011, 2011, Ottawa, Canada

Abstract

A wideband and frequency-tunable optoelectronic oscillator implemented by employing a two-port optical phase modulator and a phase-shifted fiber Bragg grating without using electrical microwave filters is proposed and experimentally demonstrated. The key device is the phase-shifted fiber Bragg grating, which functions, in conjunction with the phase modulator in the loop, to form a tunable high-Q microwave bandpass filter to perform frequency selection. The central frequency of the microwave photonic filter can be tuned by tuning the wavelength of the incident light wave; therefore, the oscillation frequency can also be continuously tuned. An experiment is performed. The generation of a microwave signal with a frequency that is tunable from 6 to 14 GHz is demonstrated.

Citation Download Citation

Wangzhe Li and Jianping Yao "A wideband frequency tunable optoelectronic oscillator incorporating a tunable microwave photonic filter based on a phase-shifted fiber Bragg grating", Proc. SPIE 8007, Photonics North 2011, 80070F (31 August 2011); https://doi.org/10.1117/12.905387

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