V-groove side-pumped 1.5 [micro sign]m fibre amplifier
- 1 January 1997
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 33 (25), 2127-2129
- https://doi.org/10.1049/el:19971471
Abstract
A side-pumping technique, using an imbedded v-groove is used to efficiently pump a double-clad Er/Yb doped fibre amplifier operating at 1.5 µm and pumped at 0.98 µm. A diode-to-fibre coupling efficiency of 76% was measured for a 100 µm wide broad stripe laser diode and a fibre with a 50 × 120 µm first cladding. A maximum output power of 185 mW, and separately, a small signal gain of 35 dB, are demonstrated.Keywords
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