Polarization-selective control of nonlinear optomechanical interactions in subwavelength elliptical waveguides

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Photonic devices that exhibit all-optically reconfigurable polarization dependence with a large dynamic range would be highly attractive for active polarization control. Here, we report that strongly polarization-selective nonlinear optomechanical interactions emerge in subwavelength waveguides. By using full-vectorial finite element analysis, we find, at certain core ellipticities (or aspect ratios), that the forward simulated light scattering mediated by a specific acoustic resonance mode is eliminated for one polarization mode. Whereas, that for the other polarization mode is rather enhanced. This intriguing phenomenon can be explained by the interplay between the electrostrictive force and radiation pressure and turns out to be tailorable by the choice of waveguide materials.
Publisher
OPTICAL SOC AMER
Issue Date
2019-01
Language
English
Article Type
Article
Citation

OPTICS EXPRESS, v.27, no.2, pp.1718 - 1726

ISSN
1094-4087
DOI
10.1364/OE.27.001718
URI
http://hdl.handle.net/10203/250238
Appears in Collection
PH-Journal Papers(저널논문)
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