Enhancement methods for CARS-based heat mitigation and application to near- and mid-infrared silicon-based Raman lasers

Nathalie Vermeulen; Christof Debaes; Hugo Thienpont

doi:10.1117/12.724025

8 May 2007 Enhancement methods for CARS-based heat mitigation and application to near- and mid-infrared silicon-based Raman lasers

Nathalie Vermeulen, Christof Debaes, Hugo Thienpont

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Proceedings Volume 6582, Nonlinear Optics and Applications II; 65820X (2007) https://doi.org/10.1117/12.724025
Event: International Congress on Optics and Optoelectronics, 2007, Prague, Czech Republic

Abstract

We present different methods to enhance the effectiveness of CARS-based heat mitigation, a novel approach for reducing the quantum-defect heating in Raman lasers. More specifically, we discuss the influence of the CARS-related phase mismatch and of backward Raman scattering on our CARS-based heat mitigation technique and explain how these heat-mitigation-affecting factors should be managed to enhance the effectiveness of our technique. To illustrate the feasibility of obtaining efficient CARS-based heat mitigation, we discuss to what extent the described effectiveness-enhancing methods can be applied to near- and mid-infrared silicon-based Raman lasers. Finally, we numerically demonstrate that for near-infrared silicon-based Raman lasers a heat mitigation efficiency of 15% can be obtained, whereas the corresponding efficiency for their mid-infrared counterparts can be as high as 35%.

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Nathalie Vermeulen, Christof Debaes, and Hugo Thienpont "Enhancement methods for CARS-based heat mitigation and application to near- and mid-infrared silicon-based Raman lasers", Proc. SPIE 6582, Nonlinear Optics and Applications II, 65820X (8 May 2007); https://doi.org/10.1117/12.724025

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KEYWORDS

Raman spectroscopy

Waveguides

Mid-IR

Dispersion

Raman scattering

Silicon

Semiconductor lasers

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