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Lasing in circuit quantum electrodynamics with strong noise
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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en
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Physical Review B, Volume 91, issue 18, pp. 1-13
Abstract
We study a model which can describe a superconducting single-electron transistor or a double quantum dot coupled to a transmission-line oscillator. In both cases the degree of freedom is given by a charged particle, which couples strongly to the electromagnetic environment or phonons. We consider the case where a lasing condition is established and study the dependence of the average photon number in the resonator on the spectral function of the electromagnetic environment. We focus on three important cases: a strongly coupled environment with a small cutoff frequency, a structured environment peaked at a specific frequency, and 1/f noise. We find that the electromagnetic environment can have a substantial impact on the photon creation. Resonance peaks are in general broadened and additional resonances can appear.
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VK: Low Temperature Laboratory
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Marthaler, M, Utsumi, Y & Golubev, D S 2015, 'Lasing in circuit quantum electrodynamics with strong noise', Physical Review B, vol. 91, no. 18, 184515, pp. 1-13. https://doi.org/10.1103/PhysRevB.91.184515