Abstract
A novel plasmonic waveguide filter design based on three cascaded slot cavities is proposed. The cascaded nanocavities support a united resonant (UR) mode. Light is trapped in the middle nanocavity at telecommunication wavelength (1550 nm) when the UR mode exists. This phenomenon leads to the efficient transmittance and high Q factor of the plasmonic filter. The resonant wavelength and Q factor can be easily modulated by the cavity radii and the waveguide width. © 2013 Chinese Optics Letters.
Cite
CITATION STYLE
Chen, Z., Chen, J., Li, Y., Qian, J., Qi, J., Xu, J., & Sun, Q. (2013). Highly ef ficient narrow-band plasmonic waveguide filter based on cascaded slot cavities. Chinese Optics Letters, 11(11), 112401. https://doi.org/10.3788/col201311.112401
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