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Quantum well modulators for thulium-doped fibre lasers

Record type: Conference or Workshop Item (Paper)

Rare-earth doped single-mode optical fibres are ideal sources for producing mode locked pulses of very short duration since they have large fluorescence linewidths. To make full use of the linewidth very fast modulators or saturable absorbers are necessary. This work investigates the use of Multiple Quantum Well (MQW) modulators for modelocking and Q-switching fibre lasers. The particular attraction of this approach is that MQW modulators offer good on/off ratios for low voltage drive and are compact in size. Work carried out by Whitehead et al [1] led to the development of the Asymmetric Fabry Perot modulator (AFPM) structure which can achieve very high contrast by using MQW electro-absorption to obtain complete destructive interference of light reflected from the device

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Citation

Mottahadeh, R., Seeds, A.J., Roberts, J.S., Button, C.C., Morkel, P.R. and Loh, W.H. (1992) Quantum well modulators for thulium-doped fibre lasers In Proceedings of IEE Colloquium on Fibre and Solid State Lasers. Institute of Electrical and Electronics Engineers., 2/1-2/8.

More information

Published date: 1992
Venue - Dates: IEE Colloquium Fibre and Solid State Lasers, United Kingdom, 1992-01-01

Identifiers

Local EPrints ID: 77353
URI: http://eprints.soton.ac.uk/id/eprint/77353
PURE UUID: 16cc567f-62fd-49c7-9f51-1e4249ecf789

Catalogue record

Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:32

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Contributors

Author: R. Mottahadeh
Author: A.J. Seeds
Author: J.S. Roberts
Author: C.C. Button
Author: P.R. Morkel
Author: W.H. Loh

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