Efficient magneto-optical mode converter on glass

Jean Philippe Garayt; François Parsy; Damien Jamon; Sophie Neveu; François Royer; Elise Ghibaudo; Jean-Emmanuel Broquin

doi:10.1117/12.2037699

8 March 2014 Efficient magneto-optical mode converter on glass

Jean Philippe Garayt, François Parsy, Damien Jamon, Sophie Neveu, François Royer, Elise Ghibaudo, Jean-Emmanuel Broquin

Proceedings Volume 8988, Integrated Optics: Devices, Materials, and Technologies XVIII; 89880F (2014) https://doi.org/10.1117/12.2037699
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

The integration of magneto-optical materials to realize non-reciprocal functions is still a difficult problem, because classical magneto-optical materials require an annealing temperature as high as 700°C. In this framework, this study shows how it is possible to realize efficient magneto-optical mode converter using the association of a magnetic nanoparticles silica/zirconia composite with an ion-exchanged glass waveguide. Using a sol gel process, a silica/zirconia matrix is doped by magnetic nanoparticles (CoFe2O4) and coated on a glass substrate containing straight channel waveguides made by a silver/sodium ion exchange. The extremities of the guides were previously buried using electric field-assisted burial in order to facilitate light injection. Soft annealing (90°C) and UV treatment, both compatible with the ion exchange process, have been implemented to finalize the magneto-optical film. Depending on the amount of nanoparticles in the composite, on the spatial distribution of the field in the guide and on the modal birefringence of the hybrid structure, the TE-TM conversion varies from several degrees to several tens of degrees.

Citation Download Citation

Jean Philippe Garayt, François Parsy, Damien Jamon, Sophie Neveu, François Royer, Elise Ghibaudo, and Jean-Emmanuel Broquin "Efficient magneto-optical mode converter on glass", Proc. SPIE 8988, Integrated Optics: Devices, Materials, and Technologies XVIII, 89880F (8 March 2014); https://doi.org/10.1117/12.2037699

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