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Spontaneous Emission and Nonlinear Response Enhancement by Silver Nanoparticles in a Nd3+-Doped Periodically Poled LiNbO3 Laser Crystal

Authors

  • Eduardo Yraola,

    1. Departamento de Física de Materiales and Instituto Nicolás Cabrera, Universidad Autónoma de Madrid, Campus de Cantoblanco, 28049 Madrid, Spain
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  • Pablo Molina,

    Corresponding author
    1. Departamento de Física de Materiales and Instituto Nicolás Cabrera, Universidad Autónoma de Madrid, Campus de Cantoblanco, 28049 Madrid, Spain
    • Departamento de Física de Materiales and Instituto Nicolás Cabrera, Universidad Autónoma de Madrid, Campus de Cantoblanco, 28049 Madrid, Spain.
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  • José L. Plaza,

    1. Departamento de Física de Materiales and Instituto Nicolás Cabrera, Universidad Autónoma de Madrid, Campus de Cantoblanco, 28049 Madrid, Spain
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  • Mariola O. Ramírez,

    1. Departamento de Física de Materiales and Instituto Nicolás Cabrera, Universidad Autónoma de Madrid, Campus de Cantoblanco, 28049 Madrid, Spain
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  • Luisa E. Bausá

    1. Departamento de Física de Materiales and Instituto Nicolás Cabrera, Universidad Autónoma de Madrid, Campus de Cantoblanco, 28049 Madrid, Spain
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Abstract

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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