Schedule Logo
Poster Session

Poster Session II

4:00 pm – 6:00 pm, Wednesday June 18 Session H00 Oregon Convention Center, Exhibit Hall E
Topics:
PrevNext

Stabilized Laser System For 171 Yb Atomic Qubit Array

Poster 57
Presenter: Jaeick Bae (Korea Advanced Institute of Science and Technology)
Authors: SEUNGTAEK OH (Korea Advanced Institute of Science and Technology), Jeong Ho Han (Korea Research Institute of Standards and Science), Kyoungsik Yu (Korea Advanced Institue of Science and Technology), Yunheung Song (Korea Research Inst of Standards and Science (KRISS)), Jongchul Mun (Korea Research Inst of Standards and Science (KRISS))

171-Yb, with its ground nuclear spin-1/2 states, metastable clock states, and Rydberg states, provides a versatile platform for quantum computation and metrology. We have developed a 171-Yb single-atom array using magic wavelength optical tweezers. In our experimental setup, atoms are transported via a 2D MOT and pushing beam, cooled in a 3D MOT, and trapped in 759 nm tweezers shaped by a spatial light modulator. We could achieve imaging survival probabilities exceeding 99.5% by leveraging magic-angle magnetic fields and dual-tone addressing of mF=±1/2 transitions. Our progress of quantum control using clock and Rydberg transitions highlights the system's potential for both analog-digital quantum computation and entanglement-enhanced metrology. Achieving high-fidelity qubit control is essential for quantum computation, with laser noise and stability playing critical roles in this process. In this work, we present methods for stabilizing diode lasers, enhancing their coherence and spectral stability. These advancements are critical for improving atom trapping, cooling, and quantum state manipulation, marking significant steps toward scalable, high-fidelity quantum platforms.

POSTERS (156)