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Novel Highly Efficient In-Band Pump Wavelengths for Medium Slope Efficiency Holmium-Doped Fiber Amplifiers

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posted 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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robert.tench@cybel-llc.com

Submitting Author's Institution

Cybel LLC

Submitting Author's Country

  • United States of America

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