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Analysis of an ultra-compact wavelength filter based on hybrid plasmonic waveguide structure |
Optics Letters, Vol. 37, Issue 10, pp. 1751-1753 (2012)
http://dx.doi.org/10.1364/OL.37.001751
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Abstract
In this letter, we propose and analyze an ultra-compact wavelength filter on silicon-based hybrid plasmonic waveguides, which confines light in a nanometeric silica dioxide layer between the silicon substrate and metal cap. The filter consists of a stub structure coupled to a straight waveguide. The three-dimensional finite-difference time-domain (FDTD) method is applied to calculate the spectral responses of such devices. Similar resonant behaviors are obtained since those devices are based on two-dimensional Metal-Insulator-Metal waveguide structure. Results also show that by adding stubs and tuning the distance between stubs can further improve the device’s performance and shape the spectral response to some extent.
© 2012 Optical Society of America
OCIS Codes
(240.6680) Optics at surfaces : Surface plasmons
(130.7408) Integrated optics : Wavelength filtering devices
ToC Category:
Integrated Optics
History
Original Manuscript: January 17, 2012
Revised Manuscript: March 13, 2012
Manuscript Accepted: March 27, 2012
Published: May 15, 2012
Citation
N. Zhu and T. Mei, "Analysis of an ultra-compact wavelength filter based on hybrid plasmonic waveguide
structure," Opt. Lett. 37, 1751-1753 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-10-1751
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