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Multiple optical Tamm states at a metal–dielectric mirror interface |
Optics Letters, Vol. 35, Issue 24, pp. 4112-4114 (2010)
http://dx.doi.org/10.1364/OL.35.004112
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Abstract
The reflectivity map is theoretically investigated by applying the transfer matrix method in a metal–dielectric mirror structure at normal incidence. The existence of multiple optical Tamm states (OTSs) is demonstrated in this structure. It is found that an OTS is periodic resonance with the variation of the top-layer thickness of the dielectric mirror for a given wavelength. The energy for the corresponding OTS mainly depends on the thickness of the top layer. The appropriate thicknesses of metal film are proposed for the convenient observation of OTSs. This work may be useful in designing a new type of multichannel filter in optical communication systems.
© 2010 Optical Society of America
OCIS Codes
(230.1480) Optical devices : Bragg reflectors
(240.6690) Optics at surfaces : Surface waves
(260.3910) Physical optics : Metal optics
(310.6805) Thin films : Theory and design
ToC Category:
Optics at Surfaces
History
Original Manuscript: September 29, 2010
Revised Manuscript: October 31, 2010
Manuscript Accepted: November 1, 2010
Published: December 6, 2010
Citation
Haichun Zhou, Guang Yang, Kai Wang, Hua Long, and Peixiang Lu, "Multiple optical Tamm states at a metal–dielectric mirror interface," Opt. Lett. 35, 4112-4114 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-24-4112
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