Stimulated Brillouin scattering in silicon/chalcogenide slot waveguides

被引：32

作者：

Mirnaziry, Sayyed Reza ^{[1
,2
]}

Wolff, Christian ^{[1
,2
]}

Steel, M. J. ^{[1
,3
]}

Eggleton, Benjamin J. ^{[1
,4
]}

Poulton, Christopher G. ^{[1
,2
]}

机构：

[1] Ctr Ultrahigh Bandwidth Devices Opt Syst CUDOS, Camperdown, NSW, Australia

[2] Univ Technol Sydney, Sch Math & Phys Sci, Sydney, NSW 2007, Australia

[3] Macquarie Univ, Dept Phys & Astron, MQ Photon Res Ctr, N Ryde, NSW 2109, Australia

[4] Univ Sydney, Sch Phys, IPOS, Sydney, NSW 2006, Australia

来源：

OPTICS EXPRESS | 2016年 / 24卷 / 05期

基金：

澳大利亚研究理事会;

关键词：

PHOTONIC CRYSTAL FIBERS; ACOUSTIC PHONONS; SELECTION-RULES; LIGHT DELAY; SILICON; NANOWIRE; GAIN;

D O I：

10.1364/OE.24.004786

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We study slot waveguide geometries, comprising a combination of soft glasses and high-index guiding structures, for enhancing stimulated Brillouin scattering (SBS). We show that strong optical and acoustic mode confinement in these waveguides can lead to a substantial increase in SBS gain, comparable to or greater than recently proposed suspended silicon nanowire structures. We compute the optimal parameters of the structure and examine the physics of optical and acoustic confinement within slot waveguides. Finally, we compute the effects of linear and nonlinear loss mechanisms on optimum pump/Stokes powers and waveguide lengths. (C) 2016 Optical Society of America

引用

页码：4786 / 4800

页数：15

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