Extremely sub-wavelength THz metal-dielectric wire microcavities

被引：36

作者：

Feuillet-Palma, Cheryl ^{[1
]}

Todorov, Yanko ^{[1
]}

Steed, Robert ^{[1
]}

Vasanelli, Angela ^{[1
]}

Biasiol, Giorgio ^{[2
]}

Sorba, Lucia ^{[3
,4
]}

Sirtori, Carlo ^{[1
]}

机构：

[1] Univ Paris Diderot, Lab Mat & Phenomenes Quant, UMR7162, F-75013 Paris, France

[2] IOM CNR, Lab TASC, I-34149 Trieste, Italy

[3] CNR, Ist Nanosci, NEST, I-56127 Pisa, Italy

[4] Scuola Normale Super Pisa, I-56127 Pisa, Italy

来源：

OPTICS EXPRESS | 2012年 / 20卷 / 27期

关键词：

D O I：

10.1364/OE.20.029121

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate minimal volume wire THz metal-dielectric micro-cavities, in which all but one dimension have been reduced to highly sub-wavelength values. The smallest cavity features an effective volume of 0.4 mu m(3), which is similar to 5.10(-7) times the volume defined by the resonant vacuum wavelength (lambda = 94 mu m) to the cube. When combined with a doped multi-quantum well structure, such micro-cavities enter the ultra-strong light matter coupling regime, even if the total number of electrons participating to the coupling is only in the order of 10(4), thus much less than in previous studies. (C) 2012 Optical Society of America

引用

页码：29121 / 29130

页数：10

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