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Proceedings Paper

Efficient stimulated Raman scattering in hybrid liquid-silica fibers for wavelength conversion
Author(s): Sylvie Lebrun; Minh-Châu Phan Huy; Philippe Delaye; Gilles Pauliat
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Paper Abstract

Wavelength Raman converters have been developed for years to provide an elegant solution to easily shift the wavelength of existing lasers. In the pulse regime, due to relatively low Raman gains, these converters are usually limited to high-energy pulses, typically a few J or a few mJ in the nanosecond or picosecond regime. In order to build efficient Raman converters with lower energy pulses, we have developed a new class of fiber wavelength shifters based on Stimulated Raman Scattering in the liquid filling the hollow core of photonic bandgap fibers or Kagome fibers. The liquid choice, the design of the photonic crystal microstructure, the fiber length and its diameter give us enough degrees of freedom to realize efficient and versatile shifters, each being optimized for a specific wavelength shift. Connecting such a fiber device to a fixed wavelength laser allows delivering a new wavelength. With the same laser, another wavelength can be obtained by connecting another shifter. Using microlasers delivering 532 nm sub-nanosecond pulses of about 1 μJ, we already built a full series of shifters to reach any wavelength among: 556 nm; 561 nm; 582 nm; 595 nm; 612 nm; 630 nm; 650 nm; 667 nm; 772 nm. Hereafter, we detail how we design and optimize these new devices.

Paper Details

Date Published: 31 October 2016
PDF: 11 pages
Proc. SPIE 10021, Optical Design and Testing VII, 1002104 (31 October 2016); doi: 10.1117/12.2245431
Show Author Affiliations
Sylvie Lebrun, Lab. Charles Fabry, Institut d'Optique, CNRS, Univ. Paris-Sud (France)
Minh-Châu Phan Huy, Lab. Charles Fabry, Institut d'Optique, CNRS, Univ. Paris-Sud (France)
Philippe Delaye, Lab. Charles Fabry, Institut d'Optique, CNRS, Univ. Paris-Sud (France)
Gilles Pauliat, Lab. Charles Fabry, Institut d'Optique, CNRS, Univ. Paris-Sud (France)

Published in SPIE Proceedings Vol. 10021:
Optical Design and Testing VII
Yongtian Wang; Tina E. Kidger; Kimio Tatsuno, Editor(s)

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