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Laser frequency stabilization with a metasurface chip through atomic spectral manipulation
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DOI：10.3788/COL202523.033601.png)
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Abstract
En 中文
Atomic spectroscopy serves as the basis for quantum precision measurements, where frequency-stabilized lasers are crucial for obtaining accurate atomic spectra. This work introduces a compact laser frequency stabilization system that employs a multifunctional metasurface to adjust the polarization, amplitude, and propagation direction of incident light. By combining with a Rb atomic vapor cell, the system achieves a tunable sub-Doppler spectrum for laser frequency stabilization. The experimental result demonstrates that a laser frequency stability of 3 x 10-11 is attained from 1 to 200 s at 780 nm with the input power at 20 mu W. The devices hold significant potential for compactness, integration, and mass production, making them highly suitable for quantum measurement applications.
Keywords:
atomic spectroscopy
laser frequency stabilization
multifunctional metasurface
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3.3
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4.0W
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7.6W
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