Terahertz generation in photonic crystals

被引：1

作者：

Haus, JW ^{[1
]}

Powers, P ^{[1
]}

Bojja, P ^{[1
]}

Torres-Cisneros, M ^{[1
]}

Scalora, M ^{[1
]}

Bloemer, M ^{[1
]}

Akozbek, N ^{[1
]}

Meneses-Nava, M ^{[1
]}

机构：

[1] Univ Dayton, Electroopt Program, Dayton, OH 45469 USA

来源：

TERAHERTZ AND GIGAHERTZ ELECTRONICS AND PHOTONICS III | 2004年 / 5354卷

关键词：

D O I：

10.1117/12.523821

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We describe a tunable, narrow-band, coherent THz radiation source based on parametric down-conversion in a photonic crystal. Our design is based on down-conversion mixing and a local-field enhancement mechanism that is available by tuning each of the two driving laser fields either to band-edge or to a defect mode in the band gap. The frequency of the down-converted signal can be tuned by intersecting two non co-linear laser sources. The polarizations are degenerate at normal incidence and have sub-THz down-conversion maximum. The peak conversion efficiency for both polarizations is enhanced by over two orders of magnitude.

引用

页码：18 / 27

页数：10

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