Brillouin-assisted microwave frequency measurement with adjustable measurement range and resolution

Abstract

We present a reconfigurable microwave frequency measurement technique with adjustable measurement range and resolution. The key novelty of the technique is the employment of stimulated Brillouin scattering, which results in a tunable amplitude comparison function, leading to an adjustable measurement range and resolution. The proposed technique is switchable between a wideband tunable narrow measurement range ($\sim 2\mathrm{GHz}$) with high resolution ($\pm 0.05\mathrm{GHz}$) and a fixed wide measurement range (12 GHz) with moderate resolution ($\pm 0.25\mathrm{GHz}$).

©2012 Optical Society of America

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