Analysis of dephasing mechanisms in a standing wave dipole trap

Abstract

We study in detail the mechanisms causing dephasing of hyperfine coherences of cesium atoms confined by a far off-resonant standing wave optical dipole trap [S. Kuhr et al., Phys. Rev. Lett. 91, 213002 (2003)]. Using Ramsey spectroscopy and spin echo techniques, we measure the reversible and irreversible dephasing times of the ground state coherences. We present an analytical model to interpret the experimental data and identify the homogeneous and inhomogeneous dephasing mechanisms. Our scheme to prepare and detect the atomic hyperfine state is applied at the level of a single atom as well as for ensembles of up to 50 atoms.

13 pages, 9 figures

References in corpus (9)

• Resolved-sideband Raman cooling to the ground state of an optical lattice
• Coherence of qubits based on single Ca${}^{+}$ ions
• Single Atoms in an Optical Dipole Trap: Towards a Deterministic Source of Cold Atoms
• Coherence properties and quantum state transportation in an optical conveyor belt
• An optical conveyor belt for single neutral atoms
• Echo spectroscopy and quantum stability of trapped atoms
• Single atoms in a standing-wave dipole trap
• An objective lens for efficient fluorescence detection of single atoms
• Suppression of inhomogeneous broadening in rf spectroscopy of optically trapped atoms

Cited by in corpus (107)

• Quantum information with Rydberg atoms
• Quantum computing with atomic qubits and Rydberg interactions: Progress and challenges
• Demonstration of multi-qubit entanglement and algorithms on a programmable neutral atom quantum computer
• Rydberg mediated entanglement in a two-dimensional neutral atom qubit array
• Randomized benchmarking of single qubit gates in a 2D array of neutral atom qubits
• Coherence and Raman sideband cooling of a single atom in an optical tweezer
• Resonant control of spin dynamics in ultracold quantum gases by microwave dressing
• A concise review of Rydberg atom based quantum computation and quantum simulation
• Fast Ground State Manipulation of Neutral Atoms in Microscopic Optical Traps
• Ytterbium nuclear-spin qubits in an optical tweezer array
• Second-Scale Nuclear Spin Coherence Time of Trapped Ultracold ${}^{23}$Na${}^{40}$K Molecules
• Mid-circuit correction of correlated phase errors using an array of spectator qubits
• Universal gate operations on nuclear spin qubits in an optical tweezer array of ${}^{171}$Yb atoms
• Deterministic generation of multiparticle entanglement by quantum Zeno dynamics
• Strong coupling of two individually controlled atoms via a nanophotonic cavity
• Hyperpolarizability effects in a Sr optical lattice clock
• Entanglement transport and a nanophotonic interface for atoms in optical tweezers
• Trapped arrays of alkaline earth Rydberg atoms in optical tweezers
• Magic-wavelength optical traps for Rydberg atoms
• Coherence and Rydberg blockade of atomic ensemble qubits
• Fast Quantum State Control of a Single Trapped Neutral Atom
• A tweezer array with 6100 highly coherent atomic qubits
• Lossless State Detection of Single Neutral Atoms
• Fidelity of a Rydberg blockade quantum gate from simulated quantum process tomography
• Quantum Computing with Circular Rydberg Atoms
• Direct Measurement of the System-Environment Coupling as a Tool For Understanding Decoherence and Dynamical Decoupling
• Coherence properties of nanofiber-trapped cesium atoms
• High Fidelity Single-qubit Gates of a Single Neutral Atom in the Magic-Intensity Optical Dipole Trap
• Process tomography of dynamical decoupling in a dense optically trapped atomic ensemble
• Strong Purcell effect on a neutral atom trapped in an open fiber cavity
• Dispersive optical systems for scalable Raman driving of hyperfine qubits
• Non-Destructive Probing of Rabi Oscillations on the Cesium Clock Transition near the Standard Quantum Limit
• A crossed vortex bottle beam trap for single-atom qubits
• Nondestructive Fluorescent State Detection of Single Neutral Atom Qubits
• Quantum spin dynamics of individual neutral impurities coupled to a Bose-Einstein condensate
• Coherence preservation of a single neutral atom qubit transferred between magic-intensity optical traps
• Atomic "bomb testing": the Elitzur-Vaidman experiment violates the Leggett-Garg inequality
• Comparison of Gaussian and super Gaussian laser beams for addressing atomic qubits
• Scalable Architecture for Quantum Information Processing with Atoms in Optical Micro-Structures
• Probing BEC phase fluctuations with atomic quantum dots
• Optimizing Rydberg Gates for Logical Qubit Performance
• Nanofiber-based optical trapping of cold neutral atoms
• Digital atom interferometer with single particle control on a discretized spacetime geometry
• Light storage in a magnetically-dressed optical lattice
• Reconfigurable, site-selective manipulation of atomic quantum systems in two-dimensional arrays of dipole traps
• Imprinting Patterns of Neutral Atoms in an Optical Lattice using Magnetic Resonance Techniques
• Decoherence Models for Discrete-Time Quantum Walks and their Application to Neutral Atom Experiments
• A universal neutral-atom quantum computer with individual optical addressing and non-destructive readout
• Coherent Transport of Atomic Quantum States in a Scalable Shift Register
• Coherent Control of the Fine-Structure Qubit in a Single Alkaline-Earth Atom
• Laser controlled tunneling in a vertical optical lattice
• Reduced volume and reflection for bright optical tweezers with radial Laguerre-Gauss beams
• Coherent and dephasing spectroscopy for single-impurity probing of an ultracold bath
• Magic polarization for optical trapping of atoms without Stark-induced dephasing
• Fine-Structure Qubit Encoded in Metastable Strontium Trapped in an Optical Lattice
• Randomized Benchmarking using Non-Destructive Readout in a 2D Atom Array
• Interaction induced decay of a heteronuclear two-atom system
• Exploiting the local polarization of strongly confined light for sub-micron-resolution internal state preparation and manipulation of cold atoms
• Coherent manipulation of atomic qubits in optical micropotentials
• A trapped ultracold atom force sensor with a $\mu$m-scale spatial resolution
• Influence of ground-Rydberg coherence in two-qubit gate based on Rydberg blockade
• Transporting long-lived quantum spin coherence in a photonic crystal fiber
• Fast, high-precision optical polarization synthesizer for ultracold-atom experiments
• Estimation of gradients in quantum metrology
• Zeeman-insensitive cooling of a single atom to its two-dimensional motional ground state in tightly focused optical tweezers
• Inhomogeneous Light Shift Effects on Atomic Quantum State Evolution in Non-Destructive Measurements
• Dark-time decay of the retrieval efficiency of light stored as a Rydberg excitation in a noninteracting ultracold gas
• MCDHF calculations of the electric dipole moment of radium induced by the nuclear Schiff moment
• Circuit-based leakage-to-erasure conversion in a neutral atom quantum processor
• Thermally-robust spin correlations between two 85Rb atoms in an optical microtrap
• Balanced Coherence Times of Mixed-Species Atomic Qubits in a Dual $3\times 3$ Magic-Intensity Optical Dipole Trap Array
• Competition between Spin Echo and Spin Self-Rephasing in a Trapped Atom Interferometer
• Entanglement of Two Atoms using Rydberg Blockade
• Preparation of ${}^{87}$Rb and ${}^{133}$Cs in the motional ground state of a single optical tweezer
• Measurement of complete and continuous Wigner functions for discrete atomic systems
• Coherence of a qubit stored in Zeeman levels of a single optically trapped atom
• Fault-Tolerant Computing with Single Qudit Encoding
• Coherent excitation of a $\mu$Hz scale optical magnetic quadrupole transition
• Triply magic conditions for microwave transitions of optically trapped alkali-metal atoms
• Robust implementations of Quantum Repeaters
• Quantum probe spectroscopy for cold atomic systems
• Extending the coherence time limit of a single-alkali-atom qubit by suppressing phonon-jumping-induced decoherence
• Experimental study of the role of trap symmetry in an atom-chip interferometer above the Bose-Einstein condensation threshold
• Dynamics of a spin qubit in an optical dipole trap
• A non-adiabatic approach to entanglement distribution over long distances
• Ramsey imaging of optical traps
• Echo Spectroscopy of Atomic Dynamics in a Gaussian Trap via Phase Imprints
• Measuring the environment of a Cs qubit with dynamical decoupling sequences
• Revival of Raman Coherence of Trapped Atoms
• Phase diffusion in trapped-atom interferometers
• Suppression of Phase Decoherence in a Single Atomic Qubit
• Measurement of the spin-dipolar part of the tensor polarizability of ${}^{87}$Rb
• Magic density in a self-rephasing ensemble of trapped ultracold atoms
• Coherence of a dynamically decoupled single neutral atom
• Cavity-enabled real-time observation of individual atomic collisions
• Gate fidelity, dephasing, and "magic" trapping of optically trapped neutral atom
• Spectroscopic Measurement of the Softness of Ultra-Cold Atomic Collisions
• Logical qubits with erasure conversion using metastable neutral atoms
• Transmission spectroscopy of a single atom in the presence of tensor light shifts
• Use of vector polarizability to manipulate alkali-metal atoms
• A General Strategy for Realizing Mpemba Effects in Open Quantum Systems
• Tunable optical lattices for the creation of matter-wave lattice solitons
• Autonomously Designed Pulses for Precise, Site-Selective Control of Atomic Qubits
• Astigmatism-free 3D Optical Tweezer Control for Rapid Atom Rearrangement
• Parity-Doublet Coherence Times in Optically Trapped Polyatomic Molecules
• Laser cooling and qubit measurements on a forbidden transition in neutral Cs atoms
• $\Lambda$-Enhanced Gray Molasses Cooling of ${}^{85}$Rb Atoms in Tweezers Using the D${}_2$ Line