Autler-Townes doublet in single-photon Rydberg spectra of Cesium atomic vapor with a 319 nm UV laser

Abstract

We demonstrate the single-photon excitation spectra of cesium Rydberg atoms by means of a Doppler-free purely all-optical detection with a room-temperature vapor cell and a 319 nm ultra-violet (UV) laser. We excite atoms directly from 6S1/2 ground state to 71P3/2 Rydberg state with a narrow-linewidth 319 nm UV laser. The detection of Rydberg states is performed by monitoring the absorption of an 852 nm probe beam in a V-type three-level system. With a strong coupling light, we observe the Autler-Townes doublet and investigate experimentally the dependence of the separation and linewidth on the coupling intensity, which is consistent with the prediction based on the dressed state theory. We further investigate the Rydberg spectra with an external magnetic field. The existence of non-degenerate Zeeman sub-levels results in the broadening and shift of the spectra. It has potential application in sensing magnetic field.

arXiv comment8 pages, 7 figures

References in corpus (23)

• Quantum information with Rydberg atoms
• Observation of Rydberg blockade between two atoms
• Coherent optical detection of highly excited Rydberg states using electromagnetically induced transparency
• Supersolids: what and where are they ?
• Atom Based Vector Microwave Electrometry Using Rubidium Rydberg Atoms in a Vapor Cell
• Many-body interferometry of a Rydberg-dressed spin lattice
• Entangling Atomic Spins with a Strong Rydberg-Dressed Interaction
• Designing Frustrated Quantum Magnets with Laser-Dressed Rydberg Atoms
• Interactions Between Rydberg-Dressed Atoms
• Rydberg-atom based radio-frequency electrometry using frequency modulation spectroscopy in room temperature vapor cells
• Many-body spin interactions and the ground state of a dense Rydberg lattice gas
• Spin squeezing in a Rydberg lattice clock
• Gain Components in Autler-Townes Doublet from Quantum Interferences in Decay Channels
• Evidence for strong van der Waals-type Rydberg-Rydberg interaction in thermal vapor
• Autler-Townes spectroscopy of the $5S_{1/2}-5P_{3/2}-44D$ cascade of cold ${}^{85}$Rb atoms
• Spectroscopy of cesium Rydberg atoms in strong radio-frequency fields
• Investigation of dephasing rates in an interacting Rydberg gas
• Hyperfine Paschen-Back regime in alkali metal atoms: consistency of two theoretical considerations and experiment
• Demonstration of the Jaynes-Cummings ladder with Rydberg-dressed atoms
• A Rydberg-dressed Magneto-Optical Trap
• Single-photon cesium Rydberg excitation spectroscopy using 318.6-nm UV laser and room-temperature vapor cell
• Development and characterization of a 2.2 W narrow-linewidth 318.6 nm ultraviolet laser
• Doppler-free spectroscopy in driven three-level systems

Cited by in corpus (3)

• Single-Photon Rydberg Excitation and Trap-Loss Spectroscopy of Cold Cesium Atoms in a Magneto-Optical Trap by Using of a 319-nm Ultra-Violet Laser System
• Sub-Poissonian atom-number distributions by means of Rydberg dressing and electromagnetically induced transparency
• High-Power, Fiber-Laser-Based Source for Magic-Wavelength Trapping in Neutral-Atom Optical Clocks