Numerical simulation of supercontinuum generation in GeO2 doped fiber

Yuexin Liu; Jay E. Sharping; Marcus T. Cicerone

doi:10.1117/12.738606

17 September 2007 Numerical simulation of supercontinuum generation in GeO₂ doped fiber

Yuexin Liu, Jay E. Sharping, Marcus T. Cicerone

Proceedings Volume 6698, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications; 66980X (2007) https://doi.org/10.1117/12.738606
Event: Optical Engineering + Applications, 2007, San Diego, California, United States

Abstract

Broadband coherent anti-Stokes Raman scattering (CARS) microscopy promises non-invasive, high information content microscopic imaging for live cells and tissues. Generation of a broadband continuum with appropriate characteristics to be used for Stokes light has been a roadblock for bringing this promise to fruition. Here we present numerical and experimental work towards generation of a suitable Stokes light continuum from a femtosecond pulse laser. In the simulations, the pulse propagation along the fiber is governed by the generalized nonlinear Schroedinger equation, including linear effects from the group velocity dispersion and the nonlinear effects from self phase modulation, delayed Raman scattering process and self-steepening. The equations are integrated using a symmetrized split-step Fourier method. Optimal fiber-related simulation parameters used in the model, such as the nonlinear coefficient, dispersion coefficients and the fraction of the stimulated Raman scattering contribution etc, are systematically investigated and determined for the GeO₂ doped fiber.

Citation Download Citation

Yuexin Liu, Jay E. Sharping, and Marcus T. Cicerone "Numerical simulation of supercontinuum generation in GeO₂ doped fiber", Proc. SPIE 6698, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications, 66980X (17 September 2007); https://doi.org/10.1117/12.738606

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