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Polarisation and modal characteristics of a 1.3µm diamond-microchip GaInNAs vertical external-cavity surface-emitting laser

Smith, S.A. and Calvez, S. and Hopkins, J.M. and Hastie, J.E. and Kemp, A. and Sun, H.D. and Burns, D. and Dawson, M.D. (2005) Polarisation and modal characteristics of a 1.3µm diamond-microchip GaInNAs vertical external-cavity surface-emitting laser. In: Conference on Lasers and Electro-Optics Europe, 2005, 2005-06-12.

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Abstract

We report the modal and polarisation properties of a 1300 nm GaInNAs microchip VECSEL and their dependence on pump diameter. The analysis suggests that thermal lensing effects play a significant role in microchip VECSEL mode formation.