Distributed gain in a Tm-doped silica fiber - experiment and modeling

This paper investigates for the first time the distributed gain of the silica-based thulium-doped fiber amplifiers (TDFA) using coherent optical frequency domain reflectometry (COFDR). Gain spectra and distributed gain are reported for the various pump schemes. Results show that the 805 nm pump has...

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Hauptverfasser:	Luthi, S. R., Gomes, A. S. L., Sundheimer, M. L., Dussardier, B., Blanc, W., Peterka, P.
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Diode lasers Fiber lasers Gain measurement Laser excitation Numerical models Optical fiber theory Phonons Pump lasers Silicon compounds Spectroscopy
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creator	Luthi, S. R. Gomes, A. S. L. Sundheimer, M. L. Dussardier, B. Blanc, W. Peterka, P.
description	This paper investigates for the first time the distributed gain of the silica-based thulium-doped fiber amplifiers (TDFA) using coherent optical frequency domain reflectometry (COFDR). Gain spectra and distributed gain are reported for the various pump schemes. Results show that the 805 nm pump has a more pronounced effect when added to 1050 nm than when added to 1426 nm, with a peak gain increase of 0.9 dB (~4% pump power increase gives -20% more gain). This paper also observes that for the 1426-nm upconversion pump, the 805-nm auxiliary pump resulted in a slight gain shift, increasing gain at longer wavelengths (>1470 nm) while reducing at lower wavelengths.
doi_str_mv	10.1109/CLEOE-IQEC.2007.4386528
format	Conference Proceeding
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L.</au><au>Dussardier, B.</au><au>Blanc, W.</au><au>Peterka, P.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Distributed gain in a Tm-doped silica fiber - experiment and modeling</atitle><btitle>2007 European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference</btitle><stitle>CLEOE-IQEC</stitle><date>2007-06</date><risdate>2007</risdate><spage>1</spage><epage>1</epage><pages>1-1</pages><isbn>9781424409303</isbn><isbn>1424409306</isbn><eisbn>1424409314</eisbn><eisbn>9781424409310</eisbn><abstract>This paper investigates for the first time the distributed gain of the silica-based thulium-doped fiber amplifiers (TDFA) using coherent optical frequency domain reflectometry (COFDR). Gain spectra and distributed gain are reported for the various pump schemes. 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subjects	Diode lasers Fiber lasers Gain measurement Laser excitation Numerical models Optical fiber theory Phonons Pump lasers Silicon compounds Spectroscopy
title	Distributed gain in a Tm-doped silica fiber - experiment and modeling
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