Vernier, A., Franke-Arnold, S. , Riis, E. and Arnold, A.S. (2010) Enhanced frequency up-conversion in Rb vapor. Optics Express, 18(16), pp. 17020-17026. (doi: 10.1364/OE.18.017020)
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Abstract
We demonstrate highly efficient generation of coherent 420nm light via up-conversion of near-infrared lasers in a hot rubidium vapor cell. By optimizing pump polarizations and frequencies we achieve a single-pass conversion efficiency of 260% per Watt, significantly higher than in previous experiments. A full exploration of the coherent light generation and fluorescence as a function of both pump frequencies reveals that coherent blue light is generated close to <sup>85</sup>Rb two-photon resonances, as predicted by theory, but at high vapor pressure is suppressed in spectral regions that do not support phase matching or exhibit single-photon Kerr refraction. Favorable scaling of our current 1mW blue beam power with additional pump power is predicted
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Franke-Arnold, Professor Sonja and Vernier, Ms Aline |
| Authors: | Vernier, A., Franke-Arnold, S., Riis, E., and Arnold, A.S. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Optics Express |
| Journal Abbr.: | Opt. Express |
| Publisher: | Optical Society of America |
| ISSN: | 1094-4087 |
| ISSN (Online): | 1094-4087 |
| Published Online: | 27 July 2010 |
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