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Proceedings Paper

Arbitrary-bent-waveguide optical diodes based on surface magnon polariton
Author(s): Changyi Wu; Zhiliang Chen; Junxing Fan
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Paper Abstract

Through numerical experiments by finite-element method, we have demonstrated arbitrary-bent-waveguide optical diodes utilizing surface magnon polaritons (SMP) waves on the surface of ferrimagnetic materials. Ferrimagnetic bulk-material slab waveguides and their propagation characteristics of SMP waves are presented. Such surface-wave based waveguides, which could be bent in arbitrary degrees, are shown to be promising elements for one-way transmission as optical diodes. The obtained results show that the optical diodes can have huge isolation coefficient and low insertion loss without requiring nonlinear material and polarization elements. Furthermore, the direction of the optical diode can be controlled by an external magnetic field.

Paper Details

Date Published: 12 March 2019
PDF: 7 pages
Proc. SPIE 11023, Fifth Symposium on Novel Optoelectronic Detection Technology and Application, 110233Y (12 March 2019); doi: 10.1117/12.2517314
Show Author Affiliations
Changyi Wu, Shenzhen Univ. (China)
Zhiliang Chen, Shenzhen Univ. (China)
Junxing Fan, Shenzhen Univ. (China)


Published in SPIE Proceedings Vol. 11023:
Fifth Symposium on Novel Optoelectronic Detection Technology and Application
Qifeng Yu; Wei Huang; You He, Editor(s)

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