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Article Dans Une Revue Optics Express Année : 2012

Microchip Random Laser based on a disordered TiO2-nanomembranes arrangement

Résumé

We developed a new scheme for obtaining coherent random lasing based on a chip consisting of a polymer film doped with Rhodamine 6G, having as scatterers butterfly-like TiO2 nanomembranes (TiO2-NM) supported on a glass substrate. The feedback mechanism for laser action is due to the multiple scattering of light by TiO2-NM rather than provided by localized variations of the refractive index in the polymer film. The above-threshold multiple spikes signature indicative of random laser emission with coherent feedback is confirmed. As nanomembranes are foreseen as new MEMS/NEMS building blocks, a new generation of combined active/passive photonic devices can be envisaged.

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Dates et versions

hal-00769494 , version 1 (02-01-2013)

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Citer

Christian Tolentino Dominguez, Yvon Lacroute, Denis Chaumont, Marco Sacilotti, Cid B. de Araujo, et al.. Microchip Random Laser based on a disordered TiO2-nanomembranes arrangement. Optics Express, 2012, 20 (16), pp.17380--17385. ⟨10.1364/OE.20.017380⟩. ⟨hal-00769494⟩
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