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Highly efficient Er3+ doped fibre lasers pumped at 980nm

Barnes, W.L., Reekie, L. and Payne, D.N. (1989) Highly efficient Er3+ doped fibre lasers pumped at 980nm At 7th International Conference on Integrated Optics & Optical Fiber Communication, Japan. 01 Jul 1989.

Record type: Conference or Workshop Item (Paper)

Abstract

The Er3+ fibre laser operates at a wavelength between 1.5 and 1.6 microns and is thus of interest for both telecommunication purposes and, since it can be Q-switched to give high pulse powers, in eye-safe range-finding systems. To date, ~810nm has been the preferred pump wavelength owing to the ready availability of laser diodes. However, the 810nm pump band of Er3+ suffers from the serious disadvantage of pump excited-state absorption (ESA). As a result much of the pump light is wasted in exciting ions from the metastable level to a still higher energy level, rather than producing stimulated emission. This is reflected in the best reported slope efficiency of 17%, obtained for Er3+ sensitized with Yb3+.

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More information

Published date: 1989
Venue - Dates: 7th International Conference on Integrated Optics & Optical Fiber Communication, Japan, 1989-07-01 - 1989-07-01

Identifiers

Local EPrints ID: 77535
URI: http://eprints.soton.ac.uk/id/eprint/77535
PURE UUID: ea38b5e7-f4ed-40c2-9f56-e76084dd8d36

Catalogue record

Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:31

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Contributors

Author: W.L. Barnes
Author: L. Reekie
Author: D.N. Payne

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