Magneto-optical waveguides made of cobalt ferrite nanoparticles embedded in silica/zirconia organic inorganic matrix - Archive ouverte HAL Access content directly
Journal Articles Applied Physics Letters Year : 2009

Magneto-optical waveguides made of cobalt ferrite nanoparticles embedded in silica/zirconia organic inorganic matrix

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Abstract

This paper describes a way to develop magneto-optical waveguides via sol-gel process. They are made of cobalt ferrite nanoparticles embedded in a silica/zirconia matrix. Thin films are coated on glass substrate using the dip-coating technique. Annealing and UV treatment are applied to finalize samples preparation. Therefore, planar waveguides combining magneto-optical properties with a low refractive index (~ 1, 5) are obtained. M-lines and free space ellipsometry measurements show a specific Faraday rotation of 250 °/cm and a modal birefringence of 1.10−4, at 820 nm. Thus, the mode conversion efficiency can reach a maximum value around 56 %.
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Dates and versions

ujm-00360198 , version 1 (10-02-2009)

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Cite

Fadi Choueikani, François Royer, Damien Jamon, Jean Jacques Rousseau, Ali Siblini, et al.. Magneto-optical waveguides made of cobalt ferrite nanoparticles embedded in silica/zirconia organic inorganic matrix. Applied Physics Letters, 2009, 94 (5), pp.051113. ⟨10.1063/1.3079094⟩. ⟨ujm-00360198⟩
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