Improvement of the thermal properties of optically pumped semiconductor chips at 850 nm (orale)

Iryna Gozhyk (1, 2) , Grégoire Beaudoin (1) , Sylvie Janicot (2) , Xavier Lafosse (1) , Paul Dumont (2) , Arnaud Garnache (3, 4) , Patrick Georges (2) , Gaëlle Lucas-Leclin (2) , Isabelle Sagnes (1)

1 LPN - Laboratoire de photonique et de nanostructures
2 Laboratoire Charles Fabry / Lasers
3 IES - Institut d’Electronique et des Systèmes
4 TéHO - Térahertz, hyperfréquence et optique

Thermal saturation of VECSELs emission properties stays a major issue in those applications, requiring a high precision on the chip emission wavelength (such as atomic clocks experiments). In this paper we analyze the possibility to reduce the thermal resistance of the semiconductor chip emitting at 850nm by means of substrate substitution method. We propose two different techniques and compare their efficiency through experimental study on VECSEL emission properties.

Domaines: Optique [physics.optics]

Iryna Gozhyk, Grégoire Beaudoin, Sylvie Janicot, Xavier Lafosse, Paul Dumont, et al.. Improvement of the thermal properties of optically pumped semiconductor chips at 850 nm (orale). Compound Semiconductor Week - International Conference in Indium Phosphide and Related Materials, May 2014, Montpellier, France. ⟨hal-01074039⟩