Search Results - "Kang-Kuen Ni"
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Quantum science with optical tweezer arrays of ultracold atoms and molecules
Published in Nature physics (01-12-2021)“…Single atoms and molecules can be trapped in tightly focused beams of light that form ‘optical tweezers’, affording exquisite capabilities for the control and…”
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Dipolar exchange quantum logic gate with polar molecules
Published in Chemical science (Cambridge) (07-09-2018)“…We propose a two-qubit gate based on dipolar exchange interactions between individually addressable ultracold polar molecules in an array of optical dipole…”
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Photo-excitation of long-lived transient intermediates in ultracold reactions
Published in Nature physics (01-11-2020)“…In many chemical reactions, the transformation from reactants to products is mediated by transient intermediate complexes. For gas-phase reactions involving…”
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Nuclear spin conservation enables state-to-state control of ultracold molecular reactions
Published in Nature chemistry (01-05-2021)“…Quantum-state control of reactive systems has enabled microscopic probes of underlying interaction potentials and the alteration of reaction rates using…”
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Dipolar spin-exchange and entanglement between molecules in an optical tweezer array
Published in Science (American Association for the Advancement of Science) (08-12-2023)“…Ultracold polar molecules are promising candidate qubits for quantum computing and quantum simulations. Their long-lived molecular rotational states form…”
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The quest for quantum degeneracy
Published in Nature physics (01-06-2019)“…While Bose–Einstein condensates of atoms were achieved in the mid-1990s, extending the regime of quantum degeneracy to polar molecules took another two decades…”
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Eliminating light shifts for single atom trapping
Published in New journal of physics (02-02-2017)“…Microscopically controlled neutral atoms in optical tweezers and lattices have led to exciting advances in the study of quantum information and quantum…”
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Detection of Long-Lived Complexes in Ultracold Atom-Molecule Collisions
Published in Physical review. X (01-03-2022)“…A thorough understanding of molecular scattering in the ultralow temperature regime is crucial for realizing long coherence times and enabling tunable…”
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Reduction of laser intensity noise over 1 MHz band for single atom trapping
Published in Optics express (12-10-2020)“…We reduce the intensity noise of laser light by using an electro-optic modulator and acousto-optic modulator in series. The electro-optic modulator reduces…”
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Fast optical transport of ultracold molecules over long distances
Published in New journal of physics (01-09-2022)“…Abstract Optically trapped laser-cooled polar molecules hold promise for new science and technology in quantum information and quantum simulation. Large…”
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Enriching the Quantum Toolbox of Ultracold Molecules with Rydberg Atoms
Published in PRX quantum (16-09-2022)“…We describe a quantum information architecture consisting of a hybrid array of optically trapped molecules and atoms. This design leverages the large…”
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Coherent Optical Creation of a Single Molecule
Published in Physical review. X (01-09-2021)“…We report coherent association of atoms into a single weakly bound NaCs molecule in an optical tweezer through an optical Raman transition. The Raman technique…”
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Bimolecular Chemistry in the Ultracold Regime
Published in Annual review of physical chemistry (20-04-2022)“…Advances in atomic, molecular, and optical physics techniques allowed the cooling of simple molecules down to the ultracold regime ( 1 mK) and opened…”
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An optical tweezer array of ultracold molecules
Published in Science (American Association for the Advancement of Science) (13-09-2019)“…Ultracold molecules have important applications that range from quantum simulation and computation to precision measurements probing physics beyond the…”
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State-specific detection of trapped HfF+ by photodissociation
Published in Journal of molecular spectroscopy (01-06-2014)“…[Display omitted] •We use REMPD as a rotational-state specific readout technique for an eEDM measurement.•We observe transitions from both the ground and first…”
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Precision test of statistical dynamics with state-to-state ultracold chemistry
Published in Nature (London) (20-05-2021)“…Chemical reactions represent a class of quantum problems that challenge both the current theoretical understanding and computational capabilities 1 . Reactions…”
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Observation of microwave shielding of ultracold molecules
Published in Science (American Association for the Advancement of Science) (13-08-2021)“…Shielding ultracold molecules Ultracold molecules hold promise for a wide range of exciting applications. However, such applications are currently hampered by…”
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Assembly of a Rovibrational Ground State Molecule in an Optical Tweezer
Published in Physical review letters (26-03-2021)“…We demonstrate the coherent creation of a single NaCs molecule in its rotational, vibrational, and electronic (rovibronic) ground state in an optical tweezer…”
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Observation of Collisions between Two Ultracold Ground-State CaF Molecules
Published in Physical review letters (24-07-2020)“…We measure inelastic collisions between ultracold CaF molecules by combining two optical tweezers, each containing a single molecule. We observe collisions…”
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Rotational Coherence Times of Polar Molecules in Optical Tweezers
Published in Physical review letters (17-09-2021)“…Qubit coherence times are critical to the performance of any robust quantum computing platform. For quantum information processing using arrays of polar…”
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