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Society of Photo-optical Instrumentation Engineers, Journal of Biomedical Optics, 8(19), p. 086021

DOI: 10.1117/1.jbo.19.8.086021

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Fiber-based ultrashort pulse delivery for nonlinear imaging using high-energy solitons

Journal article published in 2014 by Sarah Saint-Jalm, Esben Ravn Andresen, E. R. Andresen, Patrick Ferrand ORCID, Abdelkrim Bendahmane, Arnaud Mussot, Olivier Vanvincq, Géraud Bouwmans, Alexandre Kudlinski, Hervé Rigneault
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This paper is available in a repository.

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Abstract

We present an approach for fiber delivery of femtosecond pulses relying on pulse breakup and soliton self-frequency shift in a custom-made solid-core photonic bandgap fiber. In this scheme, the fiber properties themselves ensure that a powerful Fourier-transform-limited pulse is emitted at the fiber output, hence doing away with the need for complex precompensation and enabling tunability of the excitation. We report high-energy soliton excitation for two-photon fluorescence microspectroscopy over a 100-nm range and multimodal nonlinear imaging on biological samples.