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Abstract
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.
Original language | English |
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Pages (from-to) | 4786-4800 |
Number of pages | 15 |
Journal | Optics Express |
Volume | 24 |
Issue number | 5 |
DOIs | |
Publication status | Published - 7 Mar 2016 |
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Dive into the research topics of 'Stimulated Brillouin scattering in silicon/chalcogenide slot waveguides'. Together they form a unique fingerprint.Projects
- 1 Finished
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Putting Stimulated Brillouin Scattering to work: tailored optical-phononic interactions for on-chip signal processing
Steel, M., Poulton, C. & Eggleton, B.
1/01/13 → 31/12/16
Project: Research