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Generation of a vacuum ultraviolet to visible Raman frequency comb in H-2-filled kagome photonic crystal fiber

MPS-Authors

Mridha,  M. K.
Russell Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Novoa,  D.
Russell Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Bauerschmidt,  S. T.
Russell Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Abdolvand,  A.
Russell Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Russell,  P. St J.
Russell Division, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Mridha, M. K., Novoa, D., Bauerschmidt, S. T., Abdolvand, A., & Russell, P. S. J. (2016). Generation of a vacuum ultraviolet to visible Raman frequency comb in H-2-filled kagome photonic crystal fiber. OPTICS LETTERS, 41(12), 2811-2814. doi:10.1364/OL.41.002811.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-62B7-E
Abstract
We report on the generation of a purely vibrational Raman comb, extending from the vacuum ultraviolet (184 nm) to the visible (478 nm), in hydrogen-filled kagome-style photonic crystal fiber pumped at 266 nm. Stimulated Raman scattering and molecular modulation processes are enhanced by higher Raman gain in the ultraviolet. Owing to the pressure-tunable normal dispersion landscape of the "fiber + gas" system in the ultraviolet, higher-order anti-Stokes bands are generated preferentially in higher-order fiber modes. The results pave the way toward tunable fiber-based sources of deep and vacuum ultraviolet light for applications in, e.g., spectroscopy and biomedicine. (C) 2016 Optical Society of America