Single-frequency erbium fibre ring laser with intracavity phase-shifted fibre Bragg grating narrowband filter
Single-frequency erbium fibre ring laser with intracavity phase-shifted fibre Bragg grating narrowband filter
- Author(s): M.J. Guy ; J.R. Taylor ; R. Kashyap
- DOI: 10.1049/el:19951297
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- Author(s): M.J. Guy 1 ; J.R. Taylor 1 ; R. Kashyap 2
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View affiliations
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Affiliations:
1: Department of Physics, Femtosecond Optics Group, Imperial College, London, United Kingdom
2: Department of Physics, Femtosecond Optics Group, BT Laboratories, Ipswich, United Kingdom
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Affiliations:
1: Department of Physics, Femtosecond Optics Group, Imperial College, London, United Kingdom
- Source:
Volume 31, Issue 22,
26 October 1995,
p.
1924 – 1925
DOI: 10.1049/el:19951297 , Print ISSN 0013-5194, Online ISSN 1350-911X
The authors report a single-frequency unidirectional erbium fibre ring laser operating at 1.55 µm which uses an intracavity phase-shifted fibre Bragg grating as an ultranarrow frequency bandpass filter. The linewidth of the laser was measured to be <2.0 kHz.
Inspec keywords: optical filters; ring lasers; spectral line breadth; fibre lasers; laser transitions; diffraction gratings; erbium; band-pass filters
Other keywords:
Subjects: Fibre lasers and amplifiers; Optical coatings and filters; Fibre lasers and amplifiers; Spectral and other filters; Gratings, echelles; Design of specific laser systems
References
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