Mid-infrared second-harmonic generation in ultra-thin plasmonic metasurfaces without a full-metal backplane

被引：8

作者：

Nookala, Nishant ^{[1
]}

Xu, Jiaming ^{[1
]}

Wolf, Omri ^{[2
,3
]}

March, Stephen ^{[1
]}

Sarma, Raktim ^{[2
,3
]}

Bank, Seth ^{[1
]}

Klem, John ^{[3
]}

Brener, Igal ^{[2
,3
]}

Belkin, Mikhail ^{[1
]}

机构：

[1] Univ Texas Austin, Dept Elect & Comp Engn, Austin, TX 78758 USA

[2] Sandia Natl Labs, Ctr Integrated Nanotechnol, POB 5800, Albuquerque, NM 87185 USA

[3] Sandia Natl Labs, POB 5800, Albuquerque, NM 87185 USA

来源：

APPLIED PHYSICS B-LASERS AND OPTICS | 2018年 / 124卷 / 07期

关键词：

GIANT NONLINEAR RESPONSE; LIGHT; GAAS;

D O I：

10.1007/s00340-018-7005-y

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report the design and operation of a nonlinear intersubband polaritonic metasurface for mid-infrared second harmonic generation. The metasurface is made of plasmonic nanoresonators filled with a multiple-quantum-well semiconductor heterostructure. Unlike the previously reported nonlinear intersubband polaritonic metasurfaces that employ full-metal backplanes below the etched metal-semiconductor nanoresonators, the metasurface reported here employs an incomplete backplane that is complementary to the pattern of the top metallization of the etched semiconductor heterostructure nanoresonators. The new approach produces high-electric-field localization and enhancement in the nanoresonators, while requiring simplified fabrication and allowing the metasurface to operate in both transmission and reflection regimes.

引用

页数：7

共 22 条

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