Exploiting bifurcations in waveguide arrays for light detectors

被引：2

作者：

Karjanto, N. ^{[1
]}

Susanto, H. ^{[2
]}

机构：

[1] Sungkyunkwan Univ, Univ Coll, Dept Math, Seoul, South Korea

[2] Univ Nottingham, Sch Math Sci, Nottingham NG7 2RD, England

来源：

PHYSICAL REVIEW A | 2012年 / 85卷 / 04期

关键词：

DISCRETE; SUPRATRANSMISSION; SOLITONS;

D O I：

10.1103/PhysRevA.85.045803

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An array of a finite number of waveguides, driven laterally by injecting light at the outer waveguides, is considered. The array is modeled by a discrete nonlinear Schrodinger equation. It has been shown [Phys. Rev. Lett. 94, 243902 (2005)] that, when the injected light is in the proximity of a bifurcation point, such a system can be sensitive to small disturbances, making it possible to act as a light detector. Here, the optimum intensity of the injected light is discussed, and an analytical approximation is presented.

引用

页数：3

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