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

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...

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Veröffentlicht in:	Journal of lightwave technology 2021-06, Vol.39 (11), p.3546-3552
Hauptverfasser:	Tench, Robert E., Walasik, Wiktor, Delavaux, Jean-Marc
Format:	Artikel
Sprache:	eng
Schlagworte:	2 Microns Absorption Amplifier design Amplifiers doped fiber amplifiers Doped fibers Efficiency Energy conversion efficiency Holmium Industry standards infrared fiber optics Optical amplifiers Optical fiber amplifiers optical fiber devices Optical pumping polarization maintaining fiber Power amplifiers Power generation Stimulated emission thulium Wavelengths
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Beschreibung
Zusammenfassung:	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.
ISSN:	0733-8724 1558-2213
DOI:	10.1109/JLT.2021.3067600