Molecular assembly of ground state cooled single atoms

Abstract

We demonstrate full quantum state control of two species of single atoms using optical tweezers and assemble the atoms into a molecule. Our demonstration includes 3D ground-state cooling of a single atom (Cs) in an optical tweezer, transport by several microns with minimal heating, and merging with a single Na atom. Subsequently, both atoms occupy the simultaneous motional ground state with 61(4)\% probability. This realizes a sample of exactly two co-trapped atoms near the phase-space-density limit of one, and allows for efficient stimulated-Raman transfer of a pair of atoms into a molecular bound state of the triplet electronic ground potential $a^3{\Sigma }^{+}$. The results are key steps toward coherent creation of single ultracold molecules, for future exploration of quantum simulation and quantum information processing.

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Cited by in corpus (55)

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• Quench Dynamics of a Fermi Gas with Strong Non-Local Interactions
• Laser cooled molecules
• Molecular Asymmetry and Optical Cycling: Laser Cooling Asymmetric Top Molecules
• A robust entangling gate for polar molecules using magnetic and microwave fields
• Opportunities for Fundamental Physics Research with Radioactive Molecules
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• Magic Conditions for Multiple Rotational States of Bialkali Molecules in Optical Lattices
• Coherent optical creation of a single molecule
• A tweezer clock with half-minute atomic coherence at optical frequencies and high relative stability
• Pair Correlations and Photoassociation Dynamics of Two Atoms in an Optical Tweezer
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• Bichromatic Imaging of Single Molecules in an Optical Tweezer Array
• Dynamical generation of chiral $W$ and Greenberger-Horne-Zeilinger states in laser-controlled Rydberg-atom trimers
• Preparation of ${}^{87}$Rb and ${}^{133}$Cs in the motional ground state of a single optical tweezer
• Design and construction of a quantum matter synthesizer
• Laser control of ultracold molecule formation: The case of RbSr
• A hybrid atom tweezer array of nuclear spin and optical clock qubits
• Spin qudit tomography and state reconstruction error
• Efficient two-dimensional defect-free dual-species atom arrays rearrangement algorithm with near-fewest atom moves
• Quantum simulation of the central spin model with a Rydberg atom and polar molecules in optical tweezers
• Imaging a ${}^6$Li Atom In An Optical Tweezer 2000 Times with $\Lambda$-Enhanced Gray Molasses
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• Dynamics of a spin qubit in an optical dipole trap
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• Feshbach Spectroscopy of Cs Atom Pairs in Optical Tweezers
• Geometry-based circulation of local thermal current in quantum harmonic and Bose Hubbard systems
• Clifford operations and homological codes for rotors and oscillators
• $\mathcal{P},\mathcal{T}$-odd effects in YbCu, YbAg and YbAu
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• Fast real-time arbitrary waveform generation using graphic processing units
• Exact Entanglement Dynamics of Two Spins in Finite Baths
• Super-resolution optical trapping of multiple cold atoms
• Lellouch-Lüscher relation for ultracold few-atom systems under confinement
• Trapping polar molecules by surface acoustic waves
• Programmable order by disorder effect and underlying phases through dipolar quantum simulators