Optical control and tuning of thermal-piezoresistive self-sustained oscillators

Harris J Hall,Luda Wang,J Scott Bunch,Siavash Pourkamali,Victor M Bright

Micro Electro Mechanical Systems（2014）

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摘要

The ability to frequency tune and provide on/off control of electrically driven thermal-piezoresistive self-sustained oscillators through the application of HeNe (632 nm wavelength) laser illumination to devices is reported in this work. Photoexcitation of charge carriers is presented as the physical mechanism to control the piezoresistive coefficient and electrical resistivity enabling these abilities. The results are significant in that they offer a novel means to directly control the electronic output of RF oscillators through photonics.

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关键词

electrical resistivity,optical control,optical tuning,piezoresistive devices,radiofrequency oscillators,hene application,rf oscillators,charge carriers,electrically driven oscillators,laser illumination,photoexcitation,piezoresistive coefficient,self-sustained oscillators,thermal-piezoresistive oscillators,wavelength 632 nm

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