Single atom laser in normal-superconductor quantum dots

Abstract

We study a single-level quantum dot strongly coupled to a superconducting lead and tunnel-coupled to a normal electrode which can exchange energy with a single-mode resonator. We show that a such system can sustain lasing characterized by a sub-Poissonian Fock-state distribution of the resonator. The lasing regime is clearly identifiable in the subgap transport regime: in the resonant case, the current is pinned to the maximum value achievable in this hybrid nanostructure.

5 pages, 4 figures

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Cited by in corpus (14)

• A Nanoscale Coherent Light Source
• Theory of interactions between cavity photons induced by a mesoscopic circuit
• Thermally pumped on-chip maser
• Charge dynamics in quantum-circuit refrigeration: thermalization and microwave gain
• Lasing in a coupled hybrid double quantum dot-resonator system
• Single-photon pump by Cooper-pair splitting
• Nano-mechanics driven by Andreev tunneling
• Nondegenerate two-photon lasing in a single quantum dot
• Two-quanta processes in coupled double-quantum-dot cavity systems
• Resonator induced quantum phase transitions in a hybrid Josephson junction
• Continuous two-photon source using a single quantum dot in a photonic crystal cavity
• Nanomechanics driven by the superconducting proximity effect
• Dispersive detection of single microwave photons with quantum dots
• Pumping and cooling of nanomechanical vibrations generated by Cooper pair exchange