New physics of subwavelength high contrast gratings

We present a simple yet precise theory, which explains the two main extraordinary features of optical gratings in the near-sub wavelength regime: namely broadband high (>;99%) reflectivity and ultra-high quality factor (Q~2×10 5 ) resonances.

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Bibliographic Details
Published inCLEO: 2011 - Laser Science to Photonic Applications pp. 1 - 2
Main Authors Karagodsky, Vadim, Sedwick, Forrest G., Chang-Hasnain, Connie J.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.05.2011
Subjects
Diffraction
Diffraction gratings
Fabry-Perot
Gratings
Optics
Reflection
Reflectivity
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Summary:We present a simple yet precise theory, which explains the two main extraordinary features of optical gratings in the near-sub wavelength regime: namely broadband high (>;99%) reflectivity and ultra-high quality factor (Q~2×10 5 ) resonances.
ISBN:1457712237
9781457712234
ISSN:2160-8989
2160-9004
DOI:10.1364/QELS.2011.QThD2