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arXiv · 1505.00031

Cavity squeezing by a quantum conductor

Udson C. Mendes·Christophe Mora
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Abstract

Hybrid architectures integrating mesoscopic electronic conductors with resonant microwave cavities have a great potential for investigating unexplored regimes of electron-photon coupling. In this context, producing nonclassical squeezed light is a key step towards quantum communication with scalable solid-state devices. Here we show that parametric driving of the electronic conductor induces a squeezed steady state in the cavity. We find that squeezing properties of the cavity are essentially determined by the electronic noise correlators of the quantum conductor. In the case of a tunnel junction, we predict that squeezing is optimized by applying a time-periodic series of quantized $δ-$peaks in the bias voltage. For an asymmetric quantum dot, we show that a sharp Leviton pulse is able to achieve perfect cavity squeezing.

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Udson C. Mendes, Christophe Mora. 2015-11-06. Cavity squeezing by a quantum conductor. https://doi.org/10.1088/1367-2630%2F17%2F11%2F113014

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