Directional bistability and nonreciprocal lasing with cold atoms in a ring cavity
arXiv:1810.03147 · doi:10.1103/PhysRevLett.121.163603
Abstract
We demonstrate lasing into counter-propagating modes of a ring cavity using a gas of cold atoms as a gain medium. The laser operates under the usual conditions of magneto-optical trapping with no additional fields. We characterize the threshold behavior of the laser and measure the second-order optical coherence. The laser emission exhibits directional bistability, switching randomly between clockwise and counter-clockwise modes, and a tuneable nonreciprocity is observed as the atoms are displaced along the cavity axis.
arXiv commentAuthors' version, with supplemental material included. Published in PRL at https://doi.org/10.1103/PhysRevLett.121.163603
References in corpus (14)
- Nonreciprocal light transmission in parity-time-symmetric whispering-gallery microcavities
- QuTiP 2: A Python framework for the dynamics of open quantum systems
- QuTiP: An open-source Python framework for the dynamics of open quantum systems
- Observation of Lasing Mediated by Collective Atomic Recoil
- Frequency measurements of superradiance from the strontium clock transition
- A cold-atom random laser
- Rotating optical microcavities with broken chiral symmetry
- Mechanisms for Lasing with Cold Atoms as the Gain Medium
- Local chirality of optical waves in ultrasmall resonators
- Topological insight into the non-Arrhenius mode hopping of semiconductor ring lasers
- Optical parametric oscillation with distributed feedback in cold atoms
- Dissipative phase solitons in semiconductor lasers
- Collective strong coupling of cold potassium atoms in a ring cavity
- Lasing by driven atoms-cavity system in collective strong coupling regime
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- Coherence time of a cold-atom laser below threshold
- Dynamics of azimuthal thermoacoustic modes in imperfectly symmetric annular geometries
- Controllable optical bistability with perfect photon absorption