Ultrathin Second-Harmonic Metasurfaces with Record-High Nonlinear Optical Response

被引：90
|
作者：
Lee, Jongwon [1 ,3 ]
Nookala, Nishant [1 ]
Gomez-Diaz, J. Sebastian [1 ]
Tymchenko, Mykhailo [1 ]
Demmerle, Frederic [2 ]
Boehm, Gerhard [2 ]
Amann, Markus-Christian [2 ]
Alu, Andrea [1 ]
Belkin, Mikhail A. [1 ]
机构：
[1] Univ Texas Austin, Dept Elect & Comp Engn, Austin, TX 78712 USA
[2] Tech Univ Munich, Walter Schottky Inst, Coulombwall 4, D-85748 Garching, Germany
[3] Ulsan Natl Inst Sci & Technol, Sch Elect & Comp Engn, Ulsan 44919, South Korea
来源：
ADVANCED OPTICAL MATERIALS | 2016年 / 4卷 / 05期
关键词：
QUANTUM CASCADE LASERS; PLASMONIC METASURFACES; INTERSUBBAND ABSORPTION; GENERATION; WELLS; PHASE; ENHANCEMENT; TEMPERATURE; TRANSITIONS; RESONATOR;
D O I：
10.1002/adom.201500723
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ultrathin metasurfaces with record-high nonlinear optical response of 1.2 x 10(6) pm V-1 for second harmonic generation are experimentally demonstrated in the mid-infrared spectral range. A second harmonic power conversion efficiency of 0.075% is achieved in a 400-nm-thick (lambda/25) metasurface at a pump intensity of only 15 kW cm(-2).
引用
收藏
页码：664 / 670
页数：7
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