Abstract
AbstractTraditional lasers function using resonant cavities, in which the round-trip optical path is equal to an integer multiple of the intracavity wavelengths to constructively enhance the spontaneous emission rate. Taking advantage of the cavity enhancement effect, the narrowest sub-10-mHz-linewidth laser and a 10−16-fractional-frequency-stability superradiant active optical clock (AOC) have been achieved. However, a laser with atomic spontaneous radiation being destructively inhibited in an anti-resonant cavity, where the atomic resonance is exactly between two adjacent cavity resonances, has not been reported. Herein, we experimentally demonstrate the inhibited laser. Compared with traditional AOCs, which exhibit superiority in terms of the high suppression of cavity noise, the suppression of the cavity-pulling effect of an inhibited laser can be further improved by a factor of $${\left(2{{{{{{{\mathcal{F}}}}}}}}/\pi \right)}^{2}$$
2
F
/
π
2
, which is improved from 26 to 53 times. This study will guide further development of AOCs with better stability, and thus, it is significant for quantum metrology and may lead to new research in the laser physics and cavity quantum electrodynamics fields.
Funder
National Natural Science Foundation of China
China Postdoctoral Science Foundation
WenZhou Major Science & Technology Innovation Key Project
Publisher
Springer Science and Business Media LLC
Subject
General Physics and Astronomy
Cited by
5 articles.
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