Waveguide-based optical parametric amplification for coherent Raman imaging

Niklas M. Lupken, Thomas Wurthwein, Klaus J. Boller, Carsten Fallnich

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Silicon nitride (Si 3 N 4 ) waveguides offer a versatile on-chip platform, on which nonlinear processes such as four-wave mixing (FWM) can be driven very efficiently due to the high nonlinearity [1]. Therefore, lower pump energies and shorter interaction lengths are necessary in comparison to fibers [2]. We experimentally exploit these advantages in a tunable waveguide-based optical parametric amplifier (WOPA) by stimulated FWM in Si 3 N 4 waveguides for narrowband coherent anti-Stokes Raman scattering (CARS) imaging.

Original languageEnglish
Title of host publication2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2021
ISBN (Electronic)978-1-6654-1876-8
ISBN (Print)978-1-6654-4804-8
Publication statusPublished - Jun 2021
EventCLEO/EUROPE-EQEC 2021 - Online conference, Virtual, Online, Germany
Duration: 21 Jun 202125 Jun 2021


ConferenceCLEO/EUROPE-EQEC 2021
Abbreviated titleCLEO EUROPE 2021
CityVirtual, Online
Internet address


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