A single-frequency, polarization-based scheme produces an inverted Doppler-free resonance in 87Rb with a short-term stability of 3e-13 at 1 s, offering a simpler path to chip-scale optical clocks.
4 · 10−10 at 1 second, which degrades to 6 · 10−8 at 10 3 seconds, primarily due to temperature fluctuations and variations in the laser resonator length
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Single-frequency inverted Doppler-free resonance as a platform for chip-scale optical clock
A single-frequency, polarization-based scheme produces an inverted Doppler-free resonance in 87Rb with a short-term stability of 3e-13 at 1 s, offering a simpler path to chip-scale optical clocks.