Experimental Performance of a Broadband Dual-Stage 1950 nm PM Single-Clad Tm-Doped Fiber Amplifier

We report the experimental performance of a packaged dual-stage all-single-clad broadband polarization maintaining (PM) Tm-doped silica fiber amplifier (TDFA) with a high signal output power of 2.2 W at 1909 and 1951 nm. Our novel design incorporates an uncooled 940 nm multimode semiconductor pump l...

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Veröffentlicht in:	IEEE photonics technology letters 2020-08, Vol.32 (15), p.956-959
Hauptverfasser:	Tench, Robert E., Amavigan, Alexandre, Chen, Ken, Delavaux, Jean-Marc, Robin, Thierry, Cadier, Benoit, Laurent, Arnaud
Format:	Artikel
Sprache:	eng
Schlagworte:	2 microns Broadband Doped fiber amplifiers Doped fibers Gain infrared fiber optics Low noise Noise levels optical fiber devices Optical noise Optical pumping Power generation Pump lasers Thulium Wavelength measurement
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Beschreibung
Zusammenfassung:	We report the experimental performance of a packaged dual-stage all-single-clad broadband polarization maintaining (PM) Tm-doped silica fiber amplifier (TDFA) with a high signal output power of 2.2 W at 1909 and 1951 nm. Our novel design incorporates an uncooled 940 nm multimode semiconductor pump laser source. Combined high gain of >46 dB, wide operating bandwidth of 1875-2000 nm, low noise figure of 7 dB, high OSNR of >54 dB/0.1 nm, and a PER of >20 dB are achieved with our TDFA.
ISSN:	1041-1135 1941-0174
DOI:	10.1109/LPT.2020.3006697