Observation and Differentiation of Unique High-Q Optical Resonances Near Zero Wave Vector in Macroscopic Photonic Crystal Slabs

Observation and Differentiation of Unique High-Q Optical Resonances Near Zero Wave Vector in Macroscopic Photonic Crystal Slabs

We demonstrate and distinguish experimentally the existence of a special type of Fano resonances at k≈0 in a macroscopic two-dimensional photonic crystal slab. We fabricate a square lattice array of holes in a silicon nitride layer and perform an angular resolved spectral analysis of the various Fan...

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Bibliographic Details
Main Authors: Lee, Jeongwon (Contributor), Chua, Song-Liang (Contributor), Qiu, Wenjun (Contributor), Joannopoulos, John D. (Contributor), Soljacic, Marin (Contributor), Zhen, Bo, Ph. D. Massachusetts Institute of Technology (Author), Shapira, Ofer, Ph. D. Massachusetts Institute of Technology (Author)
Other Authors: Massachusetts Institute of Technology. Institute for Soldier Nanotechnologies (Contributor), Massachusetts Institute of Technology. Department of Materials Science and Engineering (Contributor), Massachusetts Institute of Technology. Department of Physics (Contributor), Massachusetts Institute of Technology. Research Laboratory of Electronics (Contributor), Zhen, Bo (Contributor), Shapira, Ofer (Contributor)
Format: Article
Language:English
Published: American Physical Society, 2012-10-11T15:25:18Z.
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Summary:We demonstrate and distinguish experimentally the existence of a special type of Fano resonances at k≈0 in a macroscopic two-dimensional photonic crystal slab. We fabricate a square lattice array of holes in a silicon nitride layer and perform an angular resolved spectral analysis of the various Fano resonances. We elucidate their radiation behavior using temporal coupled-mode theory and symmetry considerations. The unique simplicity of this system whereby an ultralong lifetime delocalized electromagnetic field can exist above the surface and consequently easily interact with added matter, provides exciting new opportunities for the study of light and matter interaction.
United States. Dept. of Energy. Office of Science (Grant DE-SC0001299)
United States. Dept. of Energy. Office of Basic Energy Sciences (Grant DE-SC0001299)
Massachusetts Institute of Technology. Institute for Soldier Nanotechnologies (Contract Contract W911NF-07- D0004)
National Science Foundation (U.S.). Materials Research Science and Engineering Centers (Program) (Grant DMR- 0819762)

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