Ye, C.C., Hempstead, M., Hewak, D.W. and Payne, D.N.
Proposal for an Er3+-doped chalcogenide glass fiber upconversion laser operating at 980nm and pumped at 1480nm
IEEE Photonics Technology Letters, 9, (8), . (doi:10.1109/68.605515).
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We propose a novel fiber upconversion laser operating at 980 nm and pumped at 1480 nm, which will allow remote optical pumping of erbium-doped optical amplifiers. From the measured spectroscopy, we show Er3+-doped gallium lanthanum sulphide glass to be a potential host for such a 1480nm/980nm upconversion laser. The small-signal gain is analyzed numerically and the lasing possibilities are discussed.
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