Lasing and transport in a coupled quantum dot-resonator system

Abstract

We investigate a double quantum dot coupled to a transmission line resonator. By driving a current through the double dot, a population inversion between the dot levels can be created, and a lasing state of the radiation field is generated within a sharp resonance window. The transport current correlates with the lasing state. The sharp resonance condition allows for resolving small differences in the dot properties. Dissipative processes in the quantum dots and their effect on the lasing and transport behavior are investigated.

6 pages, 8 figures. arXiv admin note: text overlap with arXiv:1103.5051

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• Cavity-coupled double-quantum dot at finite bias: analogy with lasers and beyond
• Dephasing-assisted Gain and Loss in Mesoscopic Quantum Systems
• Keldysh meets Lindblad: Correlated Gain and Loss in Higher-Order Perturbation Theory
• Probing electron-phonon interactions in the charge-photon dynamics of cavity-coupled double quantum dots
• Theory of interactions between cavity photons induced by a mesoscopic circuit
• Simulating electron-vibron energy transfer with quantum dots and resonators