Tench_et_al_HDFA pump wavelength dependence_JLT_paper_revised_v.3 references added 03142021.pdf (863.79 kB)Download file
Novel Highly Efficient In-Band Pump Wavelengths for Medium Slope Efficiency Holmium-Doped Fiber Amplifiers
preprintposted on 2021-03-22, 00:46 authored by Robert TenchRobert Tench, Wiktor Walasik, Jean-Marc Delavaux
We report the design and performance of medium slope efficiency (64%) Holmium-doped fiber amplifiers (HDFAs) with novel alternative in-band pump wavelengths in the 1720–2000 nm spectral region. We demonstrate through simulations that pump wavelengths of 1840–1860 nm can yield significantly improved output power, gain, and optical-optical conversion efficiency compared to the previous technical and industry standard pump wavelength of 1940 nm. Our simulations are verified by experimental data.
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