Single-mode large-mode area fiber amplifier with higher-order mode suppression and distributed passband filtering of ASE and SRS

Thomas Tanggaard Alkeskjold

doi:10.1117/12.840892

17 February 2010 Single-mode large-mode area fiber amplifier with higher-order mode suppression and distributed passband filtering of ASE and SRS

Thomas Tanggaard Alkeskjold

Author Affiliations +

Proceedings Volume 7580, Fiber Lasers VII: Technology, Systems, and Applications; 758012 (2010) https://doi.org/10.1117/12.840892
Event: SPIE LASE, 2010, San Francisco, California, United States

Abstract

A Large-Mode Area (LMA) single-mode Ytterbium-doped fiber amplifier with distributed narrow passband filtering is demonstrated. The fiber passband is ~ 40nm wide and centered at 1070nm for efficient filtering of both short- and longwavelength Amplified Spontaneous Emission (ASE) as well as Stimulated Raman Scattering (SRS). The fiber design provides Higher-Order Mode (HOM) suppression and is polarization maintaining. It has a mode field diameter of 27μm and exhibits a slope efficiency of >60%.

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Thomas Tanggaard Alkeskjold "Single-mode large-mode area fiber amplifier with higher-order mode suppression and distributed passband filtering of ASE and SRS", Proc. SPIE 7580, Fiber Lasers VII: Technology, Systems, and Applications, 758012 (17 February 2010); https://doi.org/10.1117/12.840892

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