Phase diffusion and locking in single-qubit lasers
arXiv:0807.4607 · doi:10.1103/PhysRevA.79.053848
Abstract
Motivated by recent experiments, which demonstrated lasing and cooling of the electromagnetic field in an electrical resonator coupled to a superconducting qubit, we study the phase coherence and diffusion of the system in the lasing state. We also discuss phase locking and synchronization induced by an additional {\sl ac} driving of the resonator. We extend earlier work to account for the strong qubit-resonator coupling and to include the effects of low-frequency qubit's noise. We show that the strong coupling may lead to a double peak structure of the spectrum, while the shape and width are determined to the low-frequency noise.
Revised version with a new section about the validity of the model when applied to describe experiments
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Cited by in corpus (13)
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- Quantum synchronization and entanglement of two qubits coupled to a driven dissipative resonator
- Lasing and transport in a quantum dot-resonator circuit
- Single-qubit lasing in the strong-coupling regime
- Few-Qubit lasing in circuit QED
- Injection locking of quantum dot microlasers operating in the few photon regime
- Optical Phonon Lasing in Semiconductor Double Quantum Dots
- Quantum dynamics of a driven three-level Josephson-atom maser
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