,Electrically controlled optical switch in the hybrid opto-electromechanical system

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To promote the future quantum information technologies,we demonstrate an electrically driven optical switch based on quantum interference in a hybrid opto-electromechanical system,which consists of an opto-mechanical cavity and an exteal electric circuit.The key element of our scheme is a moveable mirror of cavity as a charged mechanical oscillator capacitively coupled to a fixed charged plate in a variable capacitor.By adjusting the voltage of the capacitor,the displacement of the moveable mirror is modulated,then the cavity field can be electrically tued on or off due to the detuning of the cavity.Based on the cavity induced transparency,the transparency window can be electrically switched on or off by tuing on or off the cavity field.Therefore,the susceptibility of the medium in the cavity can be electrically controlled,i.e.,the scheme of the electrically controlled absorption switching can be demonstrated.This electrically driven optical switch will excite a development trend and implementation prospect towards the integration and miniaturization of quantum module device in a chip.
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