A hybrid plasmonic semiconductor laser

Abstract : We present a semiconductor-based approach to compensate plasmonic losses. The core idea is to employ an electrically pumped laser diode and to overlap its active region with the evanescent field of a surface plasmon wave. In order to keep the losses at a manageable level, we rely on hybrid waveguide modes stemming from the coupling of a dielectric and a plasmonic mode. The laser device we demonstrate operates--at telecom wavelengths--on such a hybrid plasmonic mode. The device operates by electrical injection at room temperature. The near-field imaging of the laser facet provides evidence of the stimulated emission into the hybrid mode and confirms the prediction of the numerical simulations
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Daniele Costantini, Léo Greusard, Adel Bousseksou, Yannick de Wilde, Benjamin Habert, et al.. A hybrid plasmonic semiconductor laser. Applied Physics Letters, American Institute of Physics, 2013, 102 (10), pp.101106. ⟨10.1063/1.4794175⟩. ⟨hal-00821549⟩

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