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Eduardo Yraola, Pablo Molina, José L. Plaza, Mariola O. Ramírez and Luisa E. Bausá Spontaneous Emission and Nonlinear Response Enhancement by Silver Nanoparticles in a Nd3+-Doped Periodically Poled LiNbO3 Laser Crystal Advanced Materials 25

Version of Record online: 8 NOV 2012 | DOI: 10.1002/adma.201203176

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Periodic arrays of silver nanoparticles on a Nd3+-doped periodically poled ferroelectric laser crystal are selectively self-assembled by photochemical methods. By exploiting the unique features of plasmonic nanostructures to concentrate electromagnetic fields, an enhancement of Nd3+ luminescence is demonstrated as well as a remarkable increase of the quadratic nonlinear second harmonic generation by a factor of 20, which occurs with the periodicity of the metallic arrays.

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