7 May 2015 Large mode area aperiodic fiber designs for robust singlemode emission under high thermal load
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In this paper, we investigate the potential of various large mode area fibers under thermal load, that is the state-of-the-art air-silica large pitch fibers, as well as the recently devised symmetry-reduced photonic crystal fiber and aperiodic all-solid by carefully considering the degrees of freedom offered all along the fiber fabrication. This work aims to discuss the mode filtering ability of these structures in regard to the power scaling and to confirm their potential for robust singlemode operation at high power level. Structural principles contributing to improve their performances such as the impact of air holes / solid inclusions size will be presented. We also intend to establish that the range of average absorbed/output power for which a robust singlemode operation is available can be shifted to fulfill user requests in term of power range.
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Romain Dauliat, Romain Dauliat, Enrico Coscelli, Enrico Coscelli, Federica Poli, Federica Poli, Dia Darwich, Dia Darwich, Aurélien Benoît, Aurélien Benoît, Raphaël Jamier, Raphaël Jamier, Kay Schuster, Kay Schuster, Stephan Grimm, Stephan Grimm, Annamaria Cucinotta, Annamaria Cucinotta, Stefano Selleri, Stefano Selleri, François Salin, François Salin, Philippe Roy, Philippe Roy, "Large mode area aperiodic fiber designs for robust singlemode emission under high thermal load", Proc. SPIE 9507, Micro-structured and Specialty Optical Fibres IV, 950709 (7 May 2015); doi: 10.1117/12.2178935; https://doi.org/10.1117/12.2178935

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