Erbium-doped fiber compound-ring laser with a ring filter

A new all-fiber, diode-pumped laser with a compound-ring structure has been demonstrated. A double-coupler fiber ring filter formed by two in-line low-loss couplers is used as an intracavity mode selection element. It functions as a filter which provides a larger free spectral range for the compound...

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Bibliographic Details
Published in:IEEE photonics technology letters 1994-05, Vol.6 (5), p.588-590
Main Authors: Jianluo Zhang, Lit, J.W.Y.
Format: Article
Language:English
Subjects:
Diodes
Erbium-doped fiber lasers
Exact sciences and technology
Fiber lasers
Filters
Fundamental areas of phenomenology (including applications)
Laser excitation
Laser modes
Laser tuning
Lasers
Optical fiber couplers
Optical fiber polarization
Optics
Physics
Pump lasers
Ring lasers
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Summary:A new all-fiber, diode-pumped laser with a compound-ring structure has been demonstrated. A double-coupler fiber ring filter formed by two in-line low-loss couplers is used as an intracavity mode selection element. It functions as a filter which provides a larger free spectral range for the compound laser cavity and serves as a ready port for the laser output. The fiber laser is pumped at 980 nm with a threshold of 7.9 mW and a slope efficiency of 0.11. The condition for a maximum output power can be obtained by tuning an in-line polarization controller.< >
ISSN:1041-1135
1941-0174
DOI:10.1109/68.285550