Optical bistability of localized Josephson surface plasmons in cuprate superconductors

被引：1
|
作者：
Alpeggiani, Filippo [1 ,2 ]
机构：
[1] Univ Pavia, Dipartimento Fis, I-27100 Pavia, Italy
[2] Univ Pavia, CNISM, I-27100 Pavia, Italy
来源：
OPTICS LETTERS | 2015年 / 40卷 / 06期
关键词：
RESONANCE; SPHERE;
D O I：
10.1364/OL.40.000867
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Microparticles made of high-T-c cuprate superconductors are characterized by localized plasmonic excitations known as Josephson surface plasmons, whose electromagnetic response is intrinsically nonlinear, giving rise to yet unexplored optical phenomena. In this work bistability effects in the near-resonance excitation of Josephson surface plasmons of dipolar symmetry are investigated for spheroidal superconducting particles. The threshold for the incident intensity is estimated, and experimental probing strategies are discussed. The system can be of interest in view of terahertz light switching and detection. (C) 2015 Optical Society of America
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页码：867 / 870
页数：4
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