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Metal–dielectric bi-atomic structure for angular-tolerant spectral filtering |
Optics Letters, Vol. 38, Issue 4, pp. 425-427 (2013)
http://dx.doi.org/10.1364/OL.38.000425
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Abstract
We theoretically study metal–dielectric structures made of bi-atomic metallic gratings coupled to a guided-mode dielectric resonator. The bi-atomic pattern grating allows tailoring of the Fourier spectrum of the inverse grating permittivity in order to adapt the frequency gap and obtain a flat dispersion band over a wide angular range. A significant enhancement (two-fold) of the angular tolerance as compared to a simply periodic structure is obtained.
© 2013 Optical Society of America
OCIS Codes
(130.3060) Integrated optics : Infrared
(230.1950) Optical devices : Diffraction gratings
(310.2790) Thin films : Guided waves
(050.6624) Diffraction and gratings : Subwavelength structures
(230.7408) Optical devices : Wavelength filtering devices
ToC Category:
Diffraction and Gratings
History
Original Manuscript: October 31, 2012
Manuscript Accepted: January 4, 2013
Published: February 7, 2013
Citation
Emilie Sakat, Sébastien Héron, Patrick Bouchon, Grégory Vincent, Fabrice Pardo, Stéphane Collin, Jean-Luc Pelouard, and Riad Haïdar, "Metal–dielectric bi-atomic structure for angular-tolerant spectral filtering," Opt. Lett. 38, 425-427 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-4-425
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