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

Jeongwon Lee, Bo Zhen, Song-Liang Chua, Wenjun Qiu, John D. Joannopoulos, Marin Soljačić, and Ofer Shapira
Phys. Rev. Lett. 109, 067401 – Published 8 August 2012
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Abstract

We demonstrate and distinguish experimentally the existence of a special type of Fano resonances at k0 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.

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  • Received 28 February 2012

DOI:https://doi.org/10.1103/PhysRevLett.109.067401

© 2012 American Physical Society

Authors & Affiliations

Jeongwon Lee, Bo Zhen, Song-Liang Chua, Wenjun Qiu, John D. Joannopoulos, Marin Soljačić, and Ofer Shapira*

  • Research Laboratory of Electronics, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA

  • *To whom all correspondence should be addressed. ofers@mit.edu

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Vol. 109, Iss. 6 — 10 August 2012

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