Automatic optical-loss compensation with Er-doped fibre amplifier
Automatic optical-loss compensation with Er-doped fibre amplifier
- Author(s): H. Okamura
- DOI: 10.1049/el:19911334
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- Author(s): H. Okamura 1
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View affiliations
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Affiliations:
1: NTT Transmission Systems Laboratories, Yokosuka, Japan
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Affiliations:
1: NTT Transmission Systems Laboratories, Yokosuka, Japan
- Source:
Volume 27, Issue 23,
7 November 1991,
p.
2155 – 2156
DOI: 10.1049/el:19911334 , Print ISSN 0013-5194, Online ISSN 1350-911X
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.
Inspec keywords: optical losses; feedback; fibre lasers; erbium
Other keywords:
Subjects: Solid lasers; Design of specific laser systems; Fibre lasers and amplifiers
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