Non-reciprocal magneto-biplasmonic waveguide for any photonic platform

Béatrice Dagens; Sevag Abadian; Giovanni Magno; Vy Yam

doi:10.1117/12.2606218

5 March 2022 Non-reciprocal magneto-biplasmonic waveguide for any photonic platform

Béatrice Dagens, Sevag Abadian, Giovanni Magno, Vy Yam

Proceedings Volume PC12004, Integrated Optics: Devices, Materials, and Technologies XXVI; PC120040D (2022) https://doi.org/10.1117/12.2606218
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

We propose a novel optical isolator concept based on spatially asymmetric coupled modes in magneto-plasmonic slot waveguides. Electromagnetic energy follows different paths in forward and backward propagation directions, and isolation is realized thanks to absorbers positioned on one path. We analytically show that the modes asymmetry can be controlled by opto-geometrical parameters, and can be high even by using moderate gyrotropy magneto-optical material, like diluted composite materials. We evaluate numerically the expected isolator performance, and we discuss about the perspectives of this new concept.

Conference Presentation

Citation Download Citation

Béatrice Dagens, Sevag Abadian, Giovanni Magno, and Vy Yam "Non-reciprocal magneto-biplasmonic waveguide for any photonic platform", Proc. SPIE PC12004, Integrated Optics: Devices, Materials, and Technologies XXVI, PC120040D (5 March 2022); https://doi.org/10.1117/12.2606218

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