All-normal dispersion supercontinuum generation in the near-infrared by Raman conversion in standard optical fiber

Christophe Louot; Erwan Capitaine; Badr M. Shalaby; Katarzyna Krupa; Alessandro Tonello; Dominique Pagnoux; Claire Lefort; Philippe Leproux; Vincent Couderc

doi:10.1117/12.2208580

4 March 2016 All-normal dispersion supercontinuum generation in the near-infrared by Raman conversion in standard optical fiber

Christophe Louot, Erwan Capitaine, Badr M. Shalaby, Katarzyna Krupa, Alessandro Tonello, Dominique Pagnoux, Claire Lefort, Philippe Leproux, Vincent Couderc

Author Affiliations +

Proceedings Volume 9731, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XV; 97310M (2016) https://doi.org/10.1117/12.2208580
Event: SPIE LASE, 2016, San Francisco, California, United States

Abstract

We demonstrate all-normal dispersion supercontinuum generation in the 1080 nm-1600 nm range by propagating subnanosecond pulses in a high numerical aperture standard optical fiber. The extreme saturation of the Raman gain provides a flat spectrum in the considered range, making this broadband source particularly suitable for coherent Raman spectroscopy. This unusual regime of supercontinuum generation (Raman gain saturation regime) is investigated through an experimental spectrotemporal study. The possibility of operating spectrometer-free time-coded coherent Raman spectroscopy is introduced.

Citation Download Citation

Christophe Louot, Erwan Capitaine, Badr M. Shalaby, Katarzyna Krupa, Alessandro Tonello, Dominique Pagnoux, Claire Lefort, Philippe Leproux, and Vincent Couderc "All-normal dispersion supercontinuum generation in the near-infrared by Raman conversion in standard optical fiber", Proc. SPIE 9731, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XV, 97310M (4 March 2016); https://doi.org/10.1117/12.2208580

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