Nd:YLF pumped grating-feedback Er3+:Yb3+ co-doped silica fibre laser operating at 1.49 micron
Kringlebotn, J.T., Archambault, J.L., Reekie, L., Laming, R.I. and Payne, D.N. (1996) Nd:YLF pumped grating-feedback Er3+:Yb3+ co-doped silica fibre laser operating at 1.49 micron. Optical Fiber Technology, 2, (1), 69-74. (doi:10.1006/ofte.1996.0006 ).
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We demonstrate for the first time a 1.49-µm Er3+:Yb3+ co-doped silica fiber laser with fiber Bragg grating feedback, pumped with a diode-pumped Nd:YLF laser at 1.047µm, which can be used for remote pumping of EDFAs. We examine both the potential and limitations of this laser as a high power source and point out how an efficient, high power laser could be realized. The maximum demonstrated output power, 21 mW, was limited by the cavity losses, by the strong ASE at the peak gain wavelength 1.535µm, and by a "bottleneck effect" in the energy transfer between ytterbium and erbium with a corresponding reduced pump absorption at higher pump powers. By overcoming these limitations an output power in excess of 500 mW with 1W of pump power is predicted.
|Subjects:||Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
|Divisions:||University Structure - Pre August 2011 > Optoelectronics Research Centre
|Date Deposited:||11 Mar 2010|
|Last Modified:||25 Sep 2012 14:54|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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