Cavity cooling of many atoms

Abstract

We demonstrate cavity cooling of all motional degrees of freedom of an atomic ensemble using light that is far detuned from the atomic transitions by several gigahertz. The cooling is achieved by cavity-induced frequency-dependent asymmetric enhancement of the atomic emission spectrum, thereby extracting thermal kinetic energy from the atomic system. Within $100\mathrm{ms}$, the atomic temperature is reduced from $200\mu \mathrm{K}$ to $10\mu \mathrm{K}$, where the final temperature is mainly limited by the linewidth of the cavity. In principle, the technique can be applied to molecules and atoms with complex internal energy structure.

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• Quantum metrology with one-dimensional superradiant photonic states
• Strong light-matter interactions between gap plasmons and two-dimensional excitons at ambient condition in a deterministic way
• Laser cooling for quantum gases
• Coupling single atoms to a nanophotonic whispering-gallery-mode resonator via optical guiding
• Quantum displacement sensing and cooling in 3D levitated cavity optomechanics
• Coherent scattering 2D cooling in levitated cavity optomechanics
• Semiclassical theory of synchronization-assisted cooling
• Bose Condensation of Photons Thermalized via Laser Cooling of Atoms
• Multimode collective scattering of light in free space by a cold atomic gas
• Weakly invasive metrology: quantum advantage and physical implementations
• Continuous feedback protocols for cooling and trapping a quantum harmonic oscillator
• Photon thermalization via laser cooling of atoms
• Laser Cooling with Adiabatic Transfer on a Raman Transition
• Spin self-organization in an optical cavity facilitated by inhomogeneous broadening
• Self-ordering and cavity cooling using a train of ultrashort pulses
• Effective description of cooling and thermal shifts in quantum systems coupled to bosonic modes
• Purcell modified Doppler cooling of quantum emitters inside optical cavities
• Memory-based Probabilistic Noiseless Amplification of Coherent states
• Precise and extensive characterization of an optical resonator for cavity-based quantum networks