1.5 μm lasers with sub 10 mHz linewidth

@article{Legero201715L,
  title={1.5 $\mu$m lasers with sub 10 mHz linewidth},
  author={Thomas Legero and Dan G. Matei and Sebastian H{\"a}fner and Christian Grebing and R. Weyrich and Fritz Riehle and Uwe Sterr and W. Zhang and John M. Robinson and Lindsay Sonderhouse and Eric Oelker and J. Ye},
  journal={2017 Conference on Lasers and Electro-Optics (CLEO)},
  year={2017},
  pages={1-2}
}
  • T. LegeroD. Matei J. Ye
  • Published 15 February 2017
  • Physics
  • 2017 Conference on Lasers and Electro-Optics (CLEO)
We report on two ultrastable lasers stabilized to single-crystal silicon Fabry-Pérot cavities at 124 K. The lasers show unprecedented thermal noise-limited frequency instabilities of 4×10<sup>−17</sup> and linewidths below 10 mHz. 

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References

SHOWING 1-10 OF 73 REFERENCES

A sub-40-mHz-linewidth laser based on a silicon single-crystal optical cavity

Frequency stabilization in a high-finesse optical cavity is limited fundamentally by thermal-noise-induced cavity length fluctuations. Scientists have now developed a single-crystal silicon system

Making optical atomic clocks more stable with 10-16-level laser stabilization

Scientists demonstrate a cavity-stabilized laser system with a reduced thermal noise floor, exhibiting a fractional frequency instability of 2 × 10−16. They use this system as a stable optical source

VISIBLE LASERS WITH SUBHERTZ LINEWIDTHS

We report a visible laser with a subhertz linewidth for use in precision spectroscopy and as a local oscillator for an optical frequency standard. The laser derives its stability from a

8  ×  10⁻¹⁷ fractional laser frequency instability with a long room-temperature cavity.

A self-balancing mounting was essential to reliably reach sensitivities to acceleration of below Δν/ν<2×10(-10)/g in all directions and instability of below 1×10 (-16) at averaging times from 1 to 1000 s is revealed.

Kerr-lens, mode-locked lasers as transfer oscillators for optical frequency measurements

Abstract.We introduce a novel concept for optical frequency measurement and division which employs a Kerr-lens, mode-locked laser as a transfer oscillator whose noise properties do not enter the

Cryogenic optical lattice clocks

A pair of 87Sr optical lattice clocks with a statistical agreement of 2 × 10−18 within 6,000 s has been developed. To this end, the behaviour of the blackbody radiation—a major perturbation for

Time-dependent laser linewidth: beat-note digital acquisition and numerical analysis.

This work revisits and improves the optical heterodyne technique for the measurement of the laser coherence, by digital acquisition of the beat-note and numerical analysis of the resulting signal, to reach the very "short-time linewidth" with the highest accuracy as well as the frequency noise spectrum.

Ultrastable laser with average fractional frequency drift rate below 5 × 10⁻¹⁹/s.

Cryogenic single-crystal optical cavities have the potential to provide high dimensional stability and the stability of this laser system, without any aid from an atomic reference, surpasses the best known microwave standards for short averaging times and is competitive with the bestknown hydrogen masers for longer times of 1 day.

A Cold-Strontium Laser in the Superradiant Crossover Regime

Recent proposals suggest that lasers based on narrow dipole-forbidden transitions in cold alkaline earth atoms could achieve linewidths that are orders of magnitude smaller than linewidths of any

Nonlinear spectroscopy of Sr atoms in an optical cavity for laser stabilization

We study the nonlinear interaction of a cold sample of 88 Sr atoms coupled to a single mode of a low finesse optical cavity in the so-called bad cavity limit, and we investigate the implications for
...