Single-Atomic-Ensemble Dual-Wavelength Optical Standard

• URL: http://arxiv.org/abs/2411.02107v1
• Date: Mon, 04 Nov 2024 14:20:13 GMT
• Title: Single-Atomic-Ensemble Dual-Wavelength Optical Standard
• Authors: Jie Miao, Jingming Chen, Deshui Yu, Qiaohui Yang, Duo Pan, Jingbiao Chen,
• Abstract summary: We develop a dual wavelength optical frequency standard based on the dual optical transition modulation transfer spectroscopy (DOTMTS) The DOTMTS enables the simultaneous stabilization of 780 nm and 795 nm lasers on a single vapor cell. This approach can be extended to develop a multiwavelength optical frequency standard within a single atomic ensemble.
• Score: 0.7421845364041001
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• Abstract: We demonstrate a dual wavelength optical frequency standard based on the dual optical transition modulation transfer spectroscopy (DOTMTS) between different quantum transitions of the rubidium D1 (795 nm) and D2 (780 nm) lines. In a single rubidium atomic ensemble, modulation frequency sidebands from the 780 nm pump beam are simultaneously transferred to both the 780 nm and 795 nm probe lasers. The DOTMTS enables the simultaneous stabilization of 780 nm and 795 nm lasers on a single vapor cell. Both lasers exhibit a frequency instability in the low 10 ^(-14) range at 1 s of averaging, as estimated from the residual error signal. A theoretical model is developed based on the V type atomic level structure to illustrate the dual-wavelength spectroscopy. This approach can be extended to develop a multiwavelength optical frequency standard within a single atomic ensemble, broadening its applicability in fields such as precision metrology, wavelength standards, optical networks, and beyond.

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