Spatio-temporal study of non-degenerate two-wave mixing in bacteriorhodopsin films

被引：2

作者：

Blaya, Salvador ^{[1
]}

Gonzalez, Alejandro ^{[1
]}

Acebal, Pablo ^{[1
]}

Carretero, Luis ^{[1
]}

机构：

[1] Univ Miguel Hernandez, Dept Ciencia Mat Opt & Tecnol Elect, Avda Univ, Alicante 3202, Spain

来源：

OPTICS EXPRESS | 2016年 / 24卷 / 22期

关键词：

ABSORPTION GRATINGS; PHASE CONJUGATION; REFRACTIVE-INDEX; GLASS; INSTABILITIES; DIFFRACTION; SOLITONS; PROTEIN; MODEL;

D O I：

10.1364/OE.24.025565

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A spatio-temporal analysis of non-degenerate two-wave mixing in a saturable absorber, such as bacteriorhodopsin (bR) film, is performed. To do this, a theoretical model describing the temporal variation of the intensities is developed by taking into account the dielectric constant as a function of bR population. A good agreement between theory and experimental measurements is obtained. Thus, the dependence of the optical gain and the main dielectric constant parameters are studied at different intensities and frequencies. As a result, the best intensity-frequency zones where higher coupling is reached are proposed, and it is also demonstrated that non-uniform patterns, which evolve over time as a function of frequency difference, can be observed. (C) 2016 Optical Society of America

引用

页码：25565 / 25581

页数：17

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