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Hybrid Quantum Device with a Carbon Nanotube and a Flux Qubit for Dissipative Quantum Engineering by Wang, Xin; Miranowicz, Adam; Li, Hong-Rong; Nori, Franco is a scholarly article available to read on EtoBox.

What is Hybrid Quantum Device with a Carbon Nanotube and a Flux Qubit for Dissipative Quantum Engineering about?

We describe a hybrid quantum system composed of a micrometer-size carbon nanotube (CNT) longitudinally coupled to a flux qubit. We demonstrate the usefulness of this device for generating high-fidelity nonclassical states of the CNT via dissipative quantum engineering. Sideband cooling of the CNT to its ground state and generating a squeezed ground state, as a mechanical analogue of the optical squeezed vacuum, are two additional examples of the dissipative quantum engineering studied here. Moreover, we show how to generate a long-lived macroscopically-distinct superposition (i.e., a Schr\"odinger cat-like) state. This cat state can be trapped, under some conditions, in a dark state, as can be verified by detecting the optical response of control fields.

Author

Wang, Xin; Miranowicz, Adam; Li, Hong-Rong; Nori, Franco

Published

2016

Language

EN