Stimulated Brillouin scattering in silicon nitride based waveguides

R.A. Botter

Research output: ThesisPhD Thesis - Research UT, graduation UT

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Abstract

Stimulated Brillouin scattering (SBS) is a nonlinear optical process that is mediated by an acoustic wave. SBS has shown many interesting applications, including signal processing, sensing, and the creation of narrow-linewidth laser
sources. One big challenge in the field is unlocking the effect in a mature, densely integrated photonic platform. In this thesis we describe ways to unlock enhanced SBS in silicon nitride, a well-established platform. So far, the Brillouin gain coefficients measured in this platform have been 0.1 m−1W−1. We show that SBS can be enhanced by multiple orders of magnitude, and demonstrate the first applications of SBS in this platform.
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • University of Twente
Supervisors/Advisors
  • Marpaung, David, Supervisor
  • Boller, K.-J., Co-Supervisor
Award date25 Mar 2024
Place of PublicationEnschede
Publisher
Print ISBNs978-90-365-6036-9
Electronic ISBNs978-90-365-6027-6
DOIs
Publication statusPublished - Mar 2024

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