Cerenkov-type second-harmonic spectroscopy in random nonlinear photonic structures

被引：17

作者：

Ayoub, Mousa ^{[1
,2
]}

Roedig, Philip ^{[1
,2
]}

Koynov, Kaloian ^{[3
]}

Imbrock, Joerg ^{[1
,2
]}

Denz, Cornelia ^{[1
,2
]}

机构：

[1] Univ Munster, Inst Appl Phys, D-48149 Munster, Germany

[2] Univ Munster, Ctr Nonlinear Sci CeNoS, D-48149 Munster, Germany

[3] Max Planck Inst Polymer Res, D-55128 Mainz, Germany

来源：

OPTICS EXPRESS | 2013年 / 21卷 / 07期

关键词：

STRONTIUM BARIUM NIOBATE; HARMONIC-GENERATION; SCATTERING; DOMAINS;

D O I：

10.1364/OE.21.008220

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report on experimental and theoretical studies of Cerenkov-type second-harmonic generation in random nonlinear photonic structures with different two-dimensional distributions of the ferroelectric domains. We utilize Cerenkov-type second-harmonic generation spectroscopy to estimate the average ferroelectric domain size by analyzing the spatial Fourier spectrum of the domain patterns. This is measured by scanning the Cerenkov second-harmonic signal for different angles of incidence and light polarizations of the fundamental wave. By comparing the experimental results with numerically simulated Fourier spectra, the corresponding domain patterns are retrieved, which are in a good correspondence with images obtained by Cerenkov-type second-harmonic generation microscopy. (C) 2013 Optical Society of America

引用

页码：8220 / 8230

页数：11

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