Coherently tunable third-order nonlinearity in a nanojunction

被引：5
|
作者：
Markel, VA [1 ]
机构：
[1] Univ Penn, Dept Radiol, Philadelphia, PA 19104 USA
[2] Univ Penn, Dept Bioengn, Philadelphia, PA 19104 USA
来源：
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2005年 / 38卷 / 21期
关键词：
D O I：
10.1088/0953-4075/38/21/L01
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A possibility of tuning the phase of the third-order Kerr-type nonlinear susceptibility in a system consisting of two interacting metal nanospheres and a nonlinearly polarizable molecule is investigated theoretically and numerically. It is shown that by varying the relative inter-sphere separation, it is possible to tune the phase of the effective nonlinear susceptibility chi((3)) (omega; omega, omega), -omega)) in the whole range from 0 to 2 pi.
引用
收藏
页码：L347 / L355
页数：9
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