Efficient stimulated Raman scattering in hybrid liquid-silica fibers for wavelength conversion

Sylvie Lebrun; Minh-Châu Phan Huy; Philippe Delaye; Gilles Pauliat

doi:10.1117/12.2245431

31 October 2016 Efficient stimulated Raman scattering in hybrid liquid-silica fibers for wavelength conversion

Sylvie Lebrun, Minh-Châu Phan Huy, Philippe Delaye, Gilles Pauliat

Proceedings Volume 10021, Optical Design and Testing VII; 1002104 (2016) https://doi.org/10.1117/12.2245431
Event: SPIE/COS Photonics Asia, 2016, Beijing, China

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.

Citation Download Citation

Sylvie Lebrun, Minh-Châu Phan Huy, Philippe Delaye, and Gilles Pauliat "Efficient stimulated Raman scattering in hybrid liquid-silica fibers for wavelength conversion", Proc. SPIE 10021, Optical Design and Testing VII, 1002104 (31 October 2016); https://doi.org/10.1117/12.2245431

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