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dc.creatorMoura, André de Lima-
dc.creatorJerez, Vladimir-
dc.creatorMaia, Lauro June Queiroz-
dc.creatorGomes, Anderson Stevens Leonidas-
dc.creatorAraújo, Cid Bartolomeu de-
dc.identifier.citationMOURA, André L.; JEREZ, Vladimir; MAIA, Lauro J. Q.; GOMES, Anderson S. L.; ARAÚJO, Cid B. de. Multi-wavelength emission through self-induced second-order wave-mixing processes from a Nd3+ doped crystalline powder random laser. Scientific Reports, Sttugart, v. 5, e13816, Sept. 2015.pt_BR
dc.identifier.issne- 2045-2322-
dc.description.abstractRandom lasers (RLs) based on neodymium ions (Nd3+) doped crystalline powders rely on multiple light scattering to sustain laser oscillation. Although Stokes and anti-Stokes Nd3+ RLs have been demonstrated, the optical gain obtained up to now was possibly not large enough to produce selffrequency conversion. Here we demonstrate self-frequency upconversion from Nd3+ doped YAl3(BO3)4 monocrystals excited at 806 nm, in resonance with the Nd3+ transition 4I9/2 → 4F5/2. Besides the observation of the RL emission at 1062 nm, self-converted second-harmonic at 531 nm, and selfsum- frequency generated emission at 459 nm due to the RL and the excitation laser at 806 nm, are reported. Additionally, second-harmonic of the excitation laser at 403 nm was generated. These results exemplify the first multi-wavelength source of radiation owing to nonlinear optical effect in a Nd3+ doped crystalline powder RL. Contrary to the RLs based on dyes, this multi-wavelength light source can be used in photonic devices due to the large durability of the gain medium.pt_BR
dc.rightsAcesso Abertopt_BR
dc.titleMulti-wavelength emission through self-induced second-order wave-mixing processes from a Nd3+ doped crystalline powder random laserpt_BR
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