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Narrow linewidth visible/UV semiconductor disk lasers for quantum technologies

Paboeuf, David and Jones, Brynmor E. and Rodríguez-García, Julio M. and Schlosser, Peter J. and Swierad, Dariusz and Hughes, Joshua and Kock, Ole and Smith, Lyndsie and Bongs, Kai and Singh, Yeshpal and Origlia, Stefano and Schiller, Stephane and Hastie, Jennifer E. (2016) Narrow linewidth visible/UV semiconductor disk lasers for quantum technologies. In: SPIE Photonics West 2016, 2016-02-13 - 2016-02-18.

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We present GaInP single frequency semiconductor disk lasers designed for emission in the visible range. Two different structures optimized for emission at 675 and 689 nm have been designed. Stabilisation of the frequency relatively to a reference cavity allows for very low noise levels, down to 5 kHz over a 1 s time scale in both cases. We show that these sources are suitable for laser cooling of Strontium atoms, and that we can transfer the high coherence to UV wavelengths.