Volume 11, Issue 2 (International Journal of Optics and Photonics (IJOP) Vol 11, No 2, Summer-Fall 2017)                   IJOP 2017, 11(2): 87-94 | Back to browse issues page



DOI: 10.18869/acadpub.ijop.11.2.87

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Behnia S, Ziaei J, Khodavirdizadeh M. Study of the Transition to Instability in Second-Harmonic Generation with Scale Index Method. IJOP. 2017; 11 (2) :87-94
URL: http://ijop.ir/article-1-274-en.html

Aso. Prof. aDepartment of Physics, Urmia University of Technology
Abstract:   (295 Views)

The emergence of second-harmonic generation (SHG) is a pivotal issue to the development of nano-optical devices and interfaces. Here, we perform a classical analysis of the SHG dynamics with the aim of determining critical values of the electric field. The signals of the SHG process are nonlinear, so it seems reasonable that chaos theory can be a suitable tool to analyze their dynamics. For this purpose the bifurcation analysis and a new measure known as the scale index were employed. Obtained results show that the dynamics approaches from stable to self-pulsing and eventually to chaos through a period-doubling route. Moreover, the scale index can detect the critical strength of the electric field, where above it the SHG dynamics is chaotic.

Full-Text [PDF 437 kb]   (185 Downloads)    
Type of Study: Research | Subject: General
Received: 2016/06/18 | Accepted: 2016/12/29 | Published: 2017/08/8

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