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Wavelength demultiplexing structure based on arrayed plasmonic slot cavities |
Optics Letters, Vol. 36, Issue 8, pp. 1500-1502 (2011)
http://dx.doi.org/10.1364/OL.36.001500
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Abstract
A compact wavelength demultiplexing structure based on arrayed metal-insulator-metal (MIM) slot cavities is proposed and demonstrated numerically. The structure consists of a bus waveguide perpendicularly coupled with a series of slot cavities, each of which captures SPPs at the resonance frequency from the bus waveguide and tunes the transmission wavelength by changing its geometrical parameters. A cavity theory model is used to design the operating wavelengths of the structure. Moreover, single band transmission of each channel and the adjustable transmission bandwidth can be obtained by altering the drop waveguide positions and the coupling distance. The proposed arrayed slot cavity-based structure could be utilized to develop ultracompact optical wavelength demultiplexing device for large-scale photonic integration.
© 2011 Optical Society of America
OCIS Codes
(060.4230) Fiber optics and optical communications : Multiplexing
(130.3120) Integrated optics : Integrated optics devices
(240.6680) Optics at surfaces : Surface plasmons
(130.7408) Integrated optics : Wavelength filtering devices
ToC Category:
Integrated Optics
History
Original Manuscript: January 10, 2011
Revised Manuscript: March 7, 2011
Manuscript Accepted: March 8, 2011
Published: April 15, 2011
Citation
Feifei Hu, Huaxiang Yi, and Zhiping Zhou, "Wavelength demultiplexing structure based on arrayed plasmonic slot cavities," Opt. Lett. 36, 1500-1502 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-8-1500
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