期刊
MATERIALS
卷 5, 期 5, 页码 857-871出版社
MDPI
DOI: 10.3390/ma5050857
关键词
optical isolator; surface plasmons; magneto-optical effect
类别
资金
- Oxide Alliance project
Feasibility of usage of surface plasmons in a new design of an integrated optical isolator has been studied. In the case of surface plasmons propagating at a boundary between a transition metal and a double-layer dielectric, there is a significant difference of optical loss for surface plasmons propagating in opposite directions. Utilizing this structure, it is feasible to fabricate a competitive plasmonic isolator, which benefits from a broad wavelength operational bandwidth and a good technological compatibility for integration into the Photonic Integrated Circuits (PIC). The linear dispersion relation was derived for plasmons propagating in a multilayer magneto-optical slab.
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