Automatic optical-loss compensation with Er-doped fibre amplifier
- 7 November 1991
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 27 (23) , 2155-2156
- https://doi.org/10.1049/el:19911334
Abstract
Optical losses ranging over 15 dB are automatically offset (for signal frequencies ̃ 1540 to 1553 nm) with an Er-doped fibre amplifier used in a feedback configuration. This technique can recover local optical loss while preserving phase information, and is applicable to scale-factor stabilisation in interferometric fibre sensors.Keywords
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