Towards compact and portable sub-kHz AlGaInP semiconductor disk lasers for cold atom experiments

Moriya, Paulo H. and Hastie, Jennifer (2018) Towards compact and portable sub-kHz AlGaInP semiconductor disk lasers for cold atom experiments. In: SPIE Photonics West 2018, 2018-01-27 - 2018-02-01, The Moscone Center.

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Abstract

Stable lasers are crucial for experiments that target narrow atomic transitions (kHz down to Hz linewidth). Such transitions are used, for example, to cool and trap atoms in magneto-optical traps down to the μK regime, in particular for optical clock systems. In this context, semiconductor disk lasers (SDLs) have demonstrated great potential due to their spectral flexibility, high brightness, and low intensity and frequency noise. Here we report our recent progress in frequency stabilisation of an AlGaInP SDL designed for ultra-narrow linewidth at 689 nm for a strontium clock, achieving sub-kHz RMS frequency noise, relative to a reference Fabry-Perot resonator.

ORCID iDs

Moriya, Paulo H. ORCID logoORCID: https://orcid.org/0000-0002-6761-191X and Hastie, Jennifer ORCID logoORCID: https://orcid.org/0000-0002-4066-7411;
CORE (COnnecting REpositories)