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Polarization-independent hybrid plasmonic coupler for a silicon on insulator platform |
Optics Letters, Vol. 37, Issue 16, pp. 3417-3419 (2012)
http://dx.doi.org/10.1364/OL.37.003417
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Abstract
Hybrid plasmonic waveguides consisting of a high-index slab separated from a metal plane by a low-index spacer provide an optimal compromise between the loss and confinement for surface plasmon waves in passive medium. In such hybrid structures, because power for the TE and TM modes are concentrated in two different regions of the guide, the characteristics of the two modes can be controlled independently by changing the waveguide dimensions. We propose to use this property to implement a hybrid plasmonic polarization-independent directional coupler for a silicon on insulator platform. We also investigate the effects of variations of wavelength and device dimensions on the performance of the proposed device.
© 2012 Optical Society of America
OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(240.6680) Optics at surfaces : Surface plasmons
ToC Category:
Optics at Surfaces
History
Original Manuscript: March 30, 2012
Revised Manuscript: June 19, 2012
Manuscript Accepted: July 10, 2012
Published: August 9, 2012
Citation
M. Z. Alam, J. S. Aitchison, and M. Mojahedi, "Polarization-independent hybrid plasmonic coupler for a silicon on insulator platform," Opt. Lett. 37, 3417-3419 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-16-3417
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