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Proceedings Paper

Brillouin fiber laser using As38Se62 suspended-core chalcogenide fiber
Author(s): K. Hey Tow; Y. Léguillon; P. Besnard; L. Brilland; J. Trolès; P. Toupin; D. Méchin; D. Trégoat; M. Doisy
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Paper Abstract

In this paper, an all-fiber Brillouin laser ring cavity using a 3-m-long suspended-core chalcogenide As38Se62 fiber is reported for the first time to our knowledge. For a nonresonant ring cavity with no servo-locking, a laser threshold power of 37 mW and an efficiency of 26 % were obtained for a fiber having a core diameter of 5 μm. The linewidth of the Brillouin fiber laser and the pump laser were respectively measured to be below 4 kHz, the resolution of our autocorrelator, and 250 kHz, thus showing the linewidth-narrowing nature of the Brillouin laser. This result paves the way to compact Brillouin lasers with low threshold power and good spectral purity. A full experimental Brillouin characterization is also reported. We measured a Brillouin gain spectrum of 14.2 MHz, a Brillouin gain coefficient of 5.6x10-9 m/W and a Brillouin frequency shift of 7.95 GHz in our fiber.

Paper Details

Date Published: 26 April 2012
PDF: 10 pages
Proc. SPIE 8426, Microstructured and Specialty Optical Fibres, 842611 (26 April 2012); doi: 10.1117/12.921821
Show Author Affiliations
K. Hey Tow, Univ. Européenne de Bretagne, Univ. de Rennes I (France)
FOTON, CNRS (France)
Y. Léguillon, Univ. Européenne de Bretagne, Univ. de Rennes I (France)
FOTON, CNRS (France)
Thales Underwater Systems (France)
P. Besnard, Univ. Européenne de Bretagne, Univ. de Rennes I (France)
FOTON, CNRS (France)
L. Brilland, PERFOS (France)
J. Trolès, Univ. Européenne de Bretagne, Univ. de Rennes I (France)
Equipe Verres et Ceramiques, CNRS (France)
P. Toupin, Univ. Européenne de Bretagne, Univ. de Rennes I (France)
Equipe Verres et Ceramiques, CNRS (France)
D. Méchin, PERFOS (France)
D. Trégoat, PERFOS (France)
M. Doisy, Thales Underwater Systems (France)


Published in SPIE Proceedings Vol. 8426:
Microstructured and Specialty Optical Fibres
Kyriacos Kalli; Alexis Mendez, Editor(s)

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