Ecole Polytechnique Federale De Lausanne

Pascal Gallo

Vladimir Iakovlev

Elyahou Kapon

Marcell Kiss

Michal Wasiak

Teodoro Graziosi

Adrien Toros

Maciej Dems

Jaroslaw Walczak

Tomasz Czyszanowski

Niels Quack

The present invention relates to a free-standing single crystalline diamond part and a single crystalline diamond part production method. The method includes the steps of: &#x2014;providing a single crystalline diamond substrate or layer; &#x2014;providing a first adhesion layer on the substrate or layer; &#x2014;providing a second adhesion layer on the first adhesion layer: &#x2014;providing a mask layer on the second adhesion layer; &#x2014;forming at least one indentation or a plurality of indentations through the mask layer and the first and second adhesion layers to expose a portion or portions of the single crystalline diamond substrate or layer; and&#x2014;etching the exposed portion or portions of the single crystalline diamond substrate or layer and etching entirely through the single crystalline diamond substrate or layer.

Single crystalline diamond part production method for stand alone single crystalline mechanical and optical component production

The present invention concerns new designs of VCLs with high contrast gratings (HCG) combined with diamond layer as a bottom mirror. They can be realized either with a classical V-shaped pumping scenario, or through the introduction of the pumping beam from the bottom direction, through the HCG that can be designed to be transparent at the wavelength of the pumping light. They can also be completed by a HCG combined with diamond layer as top mirror, reflecting the pump diode laser and transparent to the VCL emission in the case the pumped and emitted beams are collinear.

Vertical cavity surface emitting laser cavity with low thermal impedance

Growing community of inventors

Lausanne, Switzerland

Pascal Gallo