Integrated technologies represent a key enabling capability for future compact and portable atomic physics systems, including optical clocks and other sensors. In this talk, I will discuss our recent demonstration of high-fidelity detection of the state of a trapped Sr+ ion with a single-photon avalanche detector (SPAD) integrated into a microfabricated surface-electrode trap. Using an adaptive technique, we achieve ion state detection in 450 us with 99.92(1)% average fidelity. I will also discuss ongoing efforts to combine integrated detectors with integrated photonics to enable ion traps that completely eliminate the need for free-space optics for light delivery and collection.
Optical clocks have achieved accuracies better than 1 part in 1018 and are now some of the best measurement devices ever made, significantly surpassing previous-generation microwave clocks in terms of stability. A significant challenge is to transition optical clocks to field environments, which requires the ruggedization and miniaturization of the atomic reference and clock laser along with their supporting lasers and electronics. In this talk, I discuss the use of a stimulated-Brillouin-scattering (SBS) laser based on a compact fiber resonator to run an optical clock, demonstrating a potential portable replacement for the bulk-cavity-stabilized lasers typically used as the stable oscillator in these systems. We achieve a short-term stability of 3.9 x 10-14 in 1 s, outperforming the best microwave clocks. I also discuss our development of integrated photonics and detectors for chip-based ion traps as a pathway towards miniaturizing the clock’s atomic reference through elimination of free-space optics for light delivery and collection.
Conference Committee Involvement (9)
Quantum Sensing, Imaging, and Precision Metrology III
25 January 2025 | San Francisco, California, United States
Quantum Sensing, Imaging, and Precision Metrology II
27 January 2024 | San Francisco, California, United States
Quantum Sensing, Imaging, and Precision Metrology
28 January 2023 | San Francisco, California, United States
Optical and Quantum Sensing and Precision Metrology II
22 January 2022 | San Francisco, California, United States
Optical and Quantum Sensing and Precision Metrology
6 March 2021 | Online Only, California, United States
Optical, Opto-Atomic, and Entanglement-Enhanced Precision Metrology II
1 February 2020 | San Francisco, California, United States
Optical, Opto-Atomic, and Entanglement-Enhanced Precision Metrology
2 February 2019 | San Francisco, California, United States
Steep Dispersion Engineering and Opto-Atomic Precision Metrology XI
29 January 2018 | San Francisco, California, United States
Slow Light, Fast Light, and Opto-Atomic Precision Metrology X
30 January 2017 | San Francisco, California, United States
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