Er<sup>3+</sup>-Yb<sup>3+</sup> and Er<sup>3+</sup>-doped fibre lasers
- Barnes, W.L.
- Poole, S.B.
- Townsend, J.E.
- Reekie, L.
- Taylor, D.J.
- Payne, D.N.
Publication date
January 1989
DOI Publisher
Institute of Electrical and Electronics Engineers (IEEE)Abstract
Single-mode fibre lasers operating at ~1.57µm are described. Output powers of >2 mW are reported for laser diode pumped operation. Direct comparison is made between fibre lasers employing sensitized erbium (Er3+ and Yb3+) and erbium on its own. The performance of Er3+-Yb3+ fibre lasers is then analyzed in more detail as a function of fibre length. Both CW and Q-switched operation are studied and the results obtained demonstrate that practical sources at 1.5µm are available from diode pumped Er3+-Yb3+ systems
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