Quantum resonant optical bistability with a narrow atomic transition: bistability phase diagram in the bad cavity regime

• URL: http://arxiv.org/abs/2305.07133v1
• Date: Thu, 11 May 2023 20:55:39 GMT
• Title: Quantum resonant optical bistability with a narrow atomic transition: bistability phase diagram in the bad cavity regime
• Authors: Dalila Rivero Jerez, Claudio Pessoa Jr, Gustavo de Fran\c{c}a, Raul Celistrino Teixeira, Sebastian Slama, Philippe W. Courteille
• Abstract summary: We report on the observation of a novel manifestation of saturation-induced optical bistability in a resonantly pumped optical ring cavity. The bistability emerges as an additional peak in the cavity's normal mode spectrum close to atomic resonance.
• Score: 0.0
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: We report on the observation of a novel manifestation of saturation-induced optical bistability in a resonantly pumped optical ring cavity interacting strongly with a cloud of atoms via a narrow atomic transition. The bistability emerges, above a critical pump rate, as an additional peak in the cavity's normal mode spectrum close to atomic resonance. This third transmission peak is usually suppressed due to strong resonant absorption, but in our experiment it is visible because of the linewidth of the atomic transition being much smaller than that of the cavity, which sets the experiment into the bad-cavity regime. Relying on complete saturation of the transition, this bistability has a quantum origin and cannot be mimicked by a classical material presenting a nonlinear refraction index. The appearance of the central peak in addition to the normal modes is predicted by a semi-classical model derived from the Tavis-Cummings Hamiltonian from which we derive a bistability phase diagram that connects our observations with former work on optical bistability in the good cavity regime. The phase diagram reveals several so far unexplored bistable phases.

Related papers

• Continuous cavity-QED with an atomic beam [4.318157997343946]
  Atoms coupled to cavities provide an exciting playground for the study of fundamental interactions of atoms mediated through a common channel. Many of the applications of cavity-QED and cold-atom experiments more broadly, suffer from limitations caused by the transient nature of an atomic loading cycle. We present a machine designed to produce a continuous flux of collimated atoms that traverse an optical cavity.
  arXiv  Detail & Related papers  (2024-07-26T11:13:53Z)
• Stability and decay of subradiant patterns in a quantum gas with photon-mediated interactions [34.82692226532414]
  We study subradiance in a Bose-Einstein condensate positioned at the mode crossing of two optical cavities. metastable density structures that suppress emission into one cavity mode prevent relaxation to the stationary, superradiant grating. We reproduce these dynamics by a quantum mean field model, suggesting that subradiance shares characteristics with quasi-stationary states predicted in other long-range interacting systems.
  arXiv  Detail & Related papers  (2024-07-12T12:47:07Z)
• Coherent Coupling of a Diamond Tin-Vacancy Center to a Tunable Open Microcavity [0.0]
  We present a quantum photonic interface based on a single Tin-Vacancy center in a micrometer-thin diamond membrane coupled to a tunable open microcavity. We observe a transmission dip of 50 % for low incident photon number per Purcell-reduced excited state lifetime, while the dip disappears as the emitter is saturated with higher photon number. This work establishes a versatile and tunable platform for advanced quantum optics experiments and proof-of-principle demonstrations towards quantum networking with solid-state qubits.
  arXiv  Detail & Related papers  (2023-11-14T19:00:02Z)
• Enhanced Spectral Density of a Single Germanium Vacancy Center in a Nanodiamond by Cavity-Integration [35.759786254573896]
  Color centers in diamond, among them the negatively-charged germanium vacancy (GeV$-$), are promising candidates for many applications of quantum optics. We demonstrate the transfer of a nanodiamond containing a single ingrown GeV- center with excellent optical properties to an open Fabry-P'erot microcavity.
  arXiv  Detail & Related papers  (2023-07-03T10:33:06Z)
• Review on coherent quantum emitters in hexagonal boron nitride [91.3755431537592]
  I discuss the state-of-the-art of defect centers in hexagonal boron nitride with a focus on optically coherent defect centers. The spectral transition linewidth remains unusually narrow even at room temperature. The field is put into a broad perspective with impact on quantum technology such as quantum optics, quantum photonics as well as spin optomechanics.
  arXiv  Detail & Related papers  (2022-01-31T12:49:43Z)
• Beyond the Rabi model: light interactions with polar atomic systems in a cavity [0.0]
  The Rabi Hamiltonian describes the interaction between a two-level atomic system and a single cavity mode of the electromagnetic field. In this work we consider the most general Rabi model, incorporating the effects of permanent atomic electric dipole moments.
  arXiv  Detail & Related papers  (2021-03-20T19:54:17Z)
• Open-cavity in closed-cycle cryostat as a quantum optics platform [47.50219326456544]
  We present a fiber-based open Fabry-P'erot cavity in a closed-cycle cryostat exhibiting ultra-high mechanical stability. This set of results manifests open-cavity in a closed-cycle cryostat as a versatile and powerful platform for low-temperature cavity QED experiments.
  arXiv  Detail & Related papers  (2021-03-09T18:41:48Z)
• Regular and bistable steady-state superradiant phases of an atomic beam traversing an optical cavity [1.3854111346209868]
  We investigate the different photon emission regimes created by a preexcited and collimated atomic beam passing through a single mode of an optical cavity. We analyze the different superradiant regimes and the quantum critical crossover boundaries.
  arXiv  Detail & Related papers  (2020-09-11T20:31:52Z)
• Critical Theory for the Breakdown of Photon Blockade [0.0]
  Photon blockade is the result of the interplay between the quantized nature of light and strong optical nonlinearities. We theoretically study a single atom coupled to the light field. We show that this transition is associated to the spontaneous breaking of an anti-unitary PT-symmetry.
  arXiv  Detail & Related papers  (2020-06-10T01:09:21Z)
• Maximum refractive index of an atomic medium [58.720142291102135]
  All optical materials with a positive refractive index have a value of index that is of order unity. Despite the giant response of an isolated atom, we find that the maximum index does not indefinitely grow with increasing density. We propose an explanation based upon strong-disorder renormalization group theory.
  arXiv  Detail & Related papers  (2020-06-02T14:57:36Z)
• Parallel dark soliton pair in a bistable 2D exciton-polariton superfluid [47.187609203210705]
  2D dark solitons are unstable and collapse into vortices due to snake instabilities. We demonstrate that a pair of dark solitons can be formed in the wake of an obstacle in a polariton flow resonantly supported by a homogeneous laser beam.
  arXiv  Detail & Related papers  (2020-03-25T13:52:22Z)

This list is automatically generated from the titles and abstracts of the papers in this site.

This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.