Bulletin of the American Physical Society
54th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Volume 68, Number 7
Monday–Friday, June 5–9, 2023; Spokane, Washington
Session E02: Deborah Jin Award for Outstanding Doctoral Thesis Research in Atomic, Molecular, or Optical Physics SessionInvited Live Streamed
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Chair: Wes Campbell, UCLA Room: Ballroom 111 A |
Tuesday, June 6, 2023 2:00PM - 2:30PM |
E02.00001: A Wannier-Stark Optical Lattice Clock with Extended Coherence Times Invited Speaker: Tobias Bothwell Ever improving precision and accuracy in atomic clocks are inextricably linked to discovery, with each new decade exploring smaller energy scales. Here we report on the operation of a state-of-the-art 1D strontium optical lattice clock. We demonstrate a record low Sr clock inaccuracy of 2.0×10-18. Frequency comparisons with the Al+ and Yb clocks at NIST reach 18 digits of accuracy. Intra-lab comparisons with a 3D Sr lattice clock reveal a record fractional frequency instability between independent clocks of 3.5×10-17 at 1s. Motivated by these advances, we introduce and demonstrate a new lattice clock platform. A large waist, in-vacuum build-up cavity ensures homogeneity of the optical lattice while minimizing |
Tuesday, June 6, 2023 2:30PM - 3:00PM |
E02.00002: Fermion pairing and thermodynamics under a bilayer microscope Invited Speaker: Thomas R Hartke Understanding interacting quantum systems is a central goal of modern physics. In this talk, I describe the creation of a novel bilayer quantum gas microscope for fermions which enables full detection of spin and charge in large arrays containing thousands of interacting atoms. |
Tuesday, June 6, 2023 3:00PM - 3:30PM |
E02.00003: Deborah Jin Award for Outstanding Doctoral Thesis Research in Atomic, Molecular, or Optical Physics Recipient: Millimeter-wave to optical transduction with Rydberg atoms in a hybrid cavity-QED platform Invited Speaker: Aziza Suleymanzade Optical photons are the primary mode of long-distance quantum communication. This means that an efficient optical interface is a necessary ingredient of any quantum processing node of a quantum network and a distributed quantum system. Coherently converting quantum information from the mode of the processor to the mode of the communication channel is a challenge, especially when the processor encodes information in microwave photons which are four orders of magnitude lower in energy than optical photons. Hybrid quantum systems can enable such transduction of quantum information by bridging two different platforms into one with novel capabilities. Here, I will present our quantum interface which couples optical and millimeter-wave photons (100 GHz) using Rydberg atoms. I will describe our novel experimental platform and present our recent results on quantum-limited transduction between millimeter-wave and optical photons. We measure internal conversion efficiency of 58 % with 360 kHz bandwidth and 0.6 added thermal noise, which in the future can be extended to near-unity transduction in both microwave and millimeter-wave regimes. In conclusion, I will describe how the hybrid nature and the access to strong coupling regime in our platform could enable the generation of computationally useful entangled states of light and matter for further development of quantum communication technology. |
Tuesday, June 6, 2023 3:30PM - 4:00PM |
E02.00004: Quantum Many-Body Physics and Quantum Metrology with Floquet-Engineered Interacting Spin Systems Invited Speaker: Hengyun Zhou Improved control and manipulation of quantum systems lies at the heart of modern quantum science and technology, with broad applications ranging from quantum metrology to quantum information science and many-body physics. In this talk, I will introduce a novel framework for robust Hamiltonian engineering in interacting spin systems, which enables the efficient design of Floquet engineering pulse sequences for qubit and qudit systems that out-perform state-of-the-art control methods by orders of magnitude. |
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