Nonlinear high-temperature superconducting terahertz metamaterials

被引：32

作者：

Grady, Nathaniel K. ^{[1
]}

Perkins, Bradford G., Jr. ^{[2
]}

Hwang, Harold Y. ^{[2
]}

Brandt, Nathaniel C. ^{[2
]}

Torchinsky, Darius ^{[2
]}

Singh, Ranjan ^{[1
]}

Yan, Li ^{[1
]}

Trugman, Daniel ^{[1
]}

Trugman, Stuart A. ^{[1
]}

Jia, Q. X. ^{[1
]}

Taylor, Antoinette J. ^{[1
]}

Nelson, Keith A. ^{[2
]}

Chen, Hou-Tong ^{[1
]}

机构：

[1] Los Alamos Natl Lab, Ctr Integrated Nanotechnol, Los Alamos, NM 87545 USA

[2] MIT, Dept Chem, Cambridge, MA 02139 USA

来源：

NEW JOURNAL OF PHYSICS | 2013年 / 15卷

基金：

美国国家科学基金会;

关键词：

NEGATIVE INDEX; PAIR-BREAKING; TRANSITION; INTERMODULATION;

D O I：

10.1088/1367-2630/15/10/105016

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the observation of a nonlinear terahertz response of splitring resonator arrays made of high-temperature superconducting films. Intensity-dependent transmission measurements indicate that the resonance strength decreases dramatically (i.e. transient bleaching) and the resonance frequency shifts as the intensity is increased. Pump-probe measurements confirm this behaviour and reveal dynamics on the few-picosecond timescale.

引用

页数：12

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