Guided resonance in negative index photonic crystals: a new approach

被引：22
作者：
Romano, Silvia [1 ]
Cabrini, Stefano [2 ]
Rendina, Ivo [1 ]
Mocella, Vito [1 ]
机构：
[1] CNR IMM Unita Napoli, I-80131 Naples, Italy
[2] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
来源：
LIGHT-SCIENCE & APPLICATIONS | 2014年 / 3卷
关键词：
diffraction gratings; guided mode resonance; negative index; photonic crystals; WAVE-GUIDES; FILTERS; METAMATERIAL; REFLECTION; RADIATION; LIGHT;
D O I：
10.1038/lsa.2014.1
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The behavior of a negative refraction photonic crystal slab irradiated with out-of-plane incident beam is an unexplored subject. In such an experimental configuration, guided mode resonance appears in the reflection spectrum. We show that, in this case, the light coupled inside the photonic crystal is backpropagating. A relationship with the negative index properties is established using a new approach in which the guided resonance is recovered by modeling the photonic crystal layer with a simple Lorentz resonator using the Fresnel reflection formula.
引用
收藏
页码：e120 / e120
页数：5
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