Pulsed erbium fiber laser with an acetylene-filled photonic crystal fiber for saturable absorption

We investigate the dynamics of an erbium-doped fiber ring laser that is equipped with an intracavity hollow core photonic crystal fiber gas cell. The cell is filled with acetylene as a saturable absorber. We observe cw operation at low pressures, Q switching at intermediate pressure levels, and mode...

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Bibliographic Details
Published in:Optics letters 2011-09, Vol.36 (18), p.3569-3571
Main Authors: MARTY, Patrick Thomas, MOREL, Jacques, FEURER, Thomas
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fiber lasers
Fiber optics
Fundamental areas of phenomenology (including applications)
Laser optical systems: design and operation
Lasers
Optics
Physics
Q-switching
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Summary:We investigate the dynamics of an erbium-doped fiber ring laser that is equipped with an intracavity hollow core photonic crystal fiber gas cell. The cell is filled with acetylene as a saturable absorber. We observe cw operation at low pressures, Q switching at intermediate pressure levels, and mode locking at high pressures applied. Moreover, we show that the transition from the cw to the pulsed mode may be exploited for sensitive gas detection.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.36.003569