Bulletin of the American Physical Society
55th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Monday–Friday, June 3–7, 2024; Fort Worth, Texas
Session P03: Precision Measurements with Molecules
10:30 AM–12:30 PM,
Thursday, June 6, 2024
Room: 201A
Chair: Nick Hutzler, California Institute of Technology
Abstract: P03.00009 : Manipulation of stimulated Raman transition for atomic clock*
12:06 PM–12:18 PM
Presenter:
Chin-Chun Tsai
(Department of Physics, National Cheng Kung University, Taiwan)
Authors:
Chin-Chun Tsai
(Department of Physics, National Cheng Kung University, Taiwan)
Thi Thuy Nguyen
(Department of Physics, National Cheng-Kung University, Taiwan)
Pei-Ying Kuo
(Department of Electrical Engineering, National Cheng Kung University, Taiwan)
using optical Bloch equation on a three-level atomic system. With two interacting light fields (detection and coupling fields) at far detuned from the resonance state, a kilohertz linewidth can be
measured for high precision usage. And then employ the simulated results to perform the paravirtual experiment for the fast and flexible integration of the targeted complete system. A vertical-cavity surface-emitting laser (VCSEL), resonance at Cs D1 line of 894.5nm and two side-bands from an electro-optical modulator, ±4.6GHz, is used to detect the frequency difference between the probe and coupling field (9.2GHz, the Ground-state hyperfine splitting of Cs). SRT has the characteristics of narrow linewidth and highly accuracy, and is widely used in fundamental physical and atomic clock measurements. It is a necessary equipment for low-orbit satellites. Finally, the optimization and miniaturization in both size and power has to be achieved for upload to a low-orbit satellites.
*We gratefully acknowledge the support of the National Science and Technology Council, Taiwan
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