Dissipation in circuit quantum electrodynamics: lasing and cooling of a low-frequency oscillator

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dc.creatorHauss, Julian
dc.creatorFedorov, Arkady
dc.creatorAndré, Stephan
dc.creatorBrosco, Valentina
dc.creatorHutter, Carsten
dc.creatorKothari, Robin
dc.creatorYeshwant, Sunil
dc.creatorShnirman, Alexander
dc.creatorSchön, Gerd
dc.date2008-06-08
dc.date.accessioned2026-07-07T13:05:27Z
dc.date.available2026-07-07T13:05:27Z
dc.descriptionSuperconducting qubits coupled to electric or nanomechanical resonators display effects previously studied in quantum electrodynamics (QED) and extensions thereof. Here we study a driven qubit coupled to a low-frequency tank circuit with particular emphasis on the role of dissipation. When the qubit is driven to perform Rabi oscillations, with Rabi frequency in resonance with the oscillator, the latter can be driven far from equilibrium. Blue detuned driving leads to a population inversion in the qubit and lasing behavior of the oscillator ("single-atom laser"). For red detuning the qubit cools the oscillator. This behavior persists at the symmetry point where the qubit-oscillator coupling is quadratic and decoherence effects are minimized. Here the system realizes a "single-atom-two-photon laser".
dc.description9 pages, written for the Focus Issue of New J. Phys. on "Mechanical Systems at the Quantum Limit", ed. by Markus Aspelmeyer and Keith Schwab
dc.identifierhttps://arxiv.org/abs/0806.1298
dc.identifierhttp://arxiv.org/abs/0806.1298
dc.identifierNew Journal of Physics 10, 095018 (2008)
dc.identifierdoi:10.1088/1367-2630/10/9/095018
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/227493
dc.subjectMesoscale and Nanoscale Physics
dc.titleDissipation in circuit quantum electrodynamics: lasing and cooling of a low-frequency oscillator
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