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Single-frequency tunable VECSEL around the Cesium D2 line

Abstract : This work reports on an optically-pumped vertical external-cavity surface­emitting laser (VECSEL) emitting around 852 nm for Cesium atomic clocks experiments. We describe the design and the characterization of a VECSEL semiconductor structure suitable for these applications. The parameters of the structure have been optimized in order to have a low threshold and a high gain structure emitting around 852 nm. We achieved an output power of 330 mW for 1.1 W of incident pump power. We are able to simulate the laser emission variations with the temperature of the substrate, the pump radius on the semiconductor structure and the losses inside cavity. A compact and robust setup was built to obtain a stable single-frequency emission. We obtained a 17-mW single frequency emission exhibiting broad and fine tunability around the Cesium D2 line.
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Submitted on : Tuesday, November 2, 2010 - 3:08:31 PM
Last modification on : Friday, August 5, 2022 - 10:55:44 AM
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Benjamin Cocquelin, Gaëlle Lucas-Leclin, Patrick Georges, Isabelle Sagnes, Arnaud Garnache. Single-frequency tunable VECSEL around the Cesium D2 line. Photonics West - LASE 2008, Jan 2008, San Jose, United States. pp.687112.1-687112.9, ⟨10.1117/12.763119⟩. ⟨hal-00531358⟩



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