Scaling the effective area of higher-order-mode erbium-doped fiber amplifiers

We demonstrate scaling of the effective area of higher-order mode, Er-doped fiber amplifiers. Two Er-doped higher-order mode fibers, one with 3800 μm(2) A(eff) in the LP(0,11) mode, and one with 6000 μm(2) effective area in the LP(0,14) mode, are demonstrated. Output beam profiles show clean higher...

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Veröffentlicht in:	Optics express 2012-10, Vol.20 (22), p.24575-24584
Hauptverfasser:	Nicholson, J W, Fini, J M, DeSantolo, A M, Liu, X, Feder, K, Westbrook, P S, Supradeepa, V R, Monberg, E, DiMarcello, F, Ortiz, R, Headley, C, DiGiovanni, D J
Format:	Artikel
Sprache:	eng
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Zusammenfassung:	We demonstrate scaling of the effective area of higher-order mode, Er-doped fiber amplifiers. Two Er-doped higher-order mode fibers, one with 3800 μm(2) A(eff) in the LP(0,11) mode, and one with 6000 μm(2) effective area in the LP(0,14) mode, are demonstrated. Output beam profiles show clean higher order modes, and S(2) imaging measurements show low extraneous higher order mode content. CW and pulsed amplifier experiments are reported. Nanosecond pulses are amplified to 0.5 mJ pulse energy with 0.5 MW peak power.
ISSN:	1094-4087 1094-4087
DOI:	10.1364/OE.20.024575