Hybrid magneto-optical mode converter made with a magnetic nanoparticles-doped SiO 2/ZrO 2 layer coated on an ion-exchanged glass waveguide

Hadi Amata*, François Royer, Fadi Choueikani, Damien Jamon, François Parsy, Jean Emmanuel Broquin, Sophie Neveu, Jean Jacques Rousseau

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

This paper describes the possibility to achieve a TE-TM mode conversion in a magneto-optical hybrid waveguide operating at λ = 1550 nm. This hybrid device is made by coating a SiO 2/ZrO 2 layer doped with magnetic nanoparticles on an ion-exchanged glass waveguide. Soft annealing (90 C) and UV treatment, both compatible with the ion exchange process, have been implemented to finalize the magneto-optical film. Optical characterizations that have been carried out demonstrated the efficiency of these hybrid structures in terms of lateral confinement and mode conversion. Indeed, TE to TM mode conversion has been observed when a longitudinal magnetic field is applied to the device. The amount of this conversion is discussed taking into account the distribution of light between the layer and the guide, and the modal birefringence of the structure.

Original languageEnglish (US)
Article number251108
JournalApplied Physics Letters
Volume99
Issue number25
DOIs
StatePublished - Dec 19 2011

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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