Asymmetric transmission of light in hybrid waveguide-integrated plasmonic crystals on a silicon-on-insulator platform.
- Publisher:
- OPTICAL SOC AMER
- Publication Type:
- Journal Article
- Citation:
- Opt Lett, 2019, 44, (21), pp. 5378-5381
- Issue Date:
- 2019-11-01
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Asymmetric transmission of light in hybrid waveguide-integrated plasmonic crystals on a silicon-on-insulator platform.pdf | Published version | 1.73 MB |
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We demonstrate asymmetric transmission of light in hybrid waveguide-integrated plasmonic crystals where triangular silver islands create a regular array of nanogaps which couple to an underlying silicon-on-insulator optical waveguide. Up to 60% difference is observed between light transmission in the forward and backward directions. This asymmetric transmission of light is not caused by an external magnetic field or nonlinearity, but solely a consequence of the structure geometry.
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