Enhanced coherency of thermal emission: Beyond the limitation imposed by delocalized surface waves

被引：89

作者：

Dahan, Nir ^{[1
]}

Niv, Avi

Biener, Gabriel

Gorodetski, Yuri

Kleiner, Vladimir

Hasman, Erez

机构：

[1] Technion Israel Inst Technol, Fac Mech Engn, Micro & Nanoopt Lab, IL-32000 Haifa, Israel

[2] Technion Israel Inst Technol, Russel Berrie Nanotechnol Inst, IL-32000 Haifa, Israel

来源：

PHYSICAL REVIEW B | 2007年 / 76卷 / 04期

关键词：

D O I：

10.1103/PhysRevB.76.045427

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Is it possible to achieve thermal radiation excited by surface waves having a coherence length much larger than what one might anticipate from the behavior of surface waves on a flat interface? We demonstrate an extraordinary coherent thermal radiation from coupled resonant cavities; each of them supports standing wave surface polaritons. The coupling is implemented by surface standing waves between the cavities. As a result, the spatial coherence length is increased by an order of magnitude compared with that of delocalized surface waves.

引用

页数：5

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