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Proceedings Paper

High-energy pulses at a very low repetition rate from a self-mode-locked all-fiber erbium laser with large normal cavity dispersion
Author(s): V. I. Denisov; B. N. Nyushkov; V. S. Pivtsov
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Paper Abstract

For the first time, the self-mode-locking regime was obtained in an all-fiber erbium laser with a cavity length of more than 1 km and a normal net cavity dispersion as large as 217 ps2. To construct this laser, only commercial telecommunication fibers and conventional fiber-optic elements were used. An original linear-ring cavity design with polarization instability compensation provides high reliability of the self-mode-locking regime and good frequency stability. The laser emits short (~5 ns) pulses with a record high energy (564.3 nJ) at a very low repetition rate (82.4 kHz) and a moderate pump power of 450 mW. Since no output saturation and no wave-breaking effects were observed at the available pump power, the pulse energy can be further augmented by increasing the pump power or (and) by lengthening the cavity. Such a laser can be used in LIDAR systems, telecommunications, and industry.

Paper Details

Date Published: 17 February 2010
PDF: 8 pages
Proc. SPIE 7580, Fiber Lasers VII: Technology, Systems, and Applications, 75802U (17 February 2010); doi: 10.1117/12.845401
Show Author Affiliations
V. I. Denisov, Institute of Laser Physics (Russian Federation)
B. N. Nyushkov, Institute of Laser Physics (Russian Federation)
V. S. Pivtsov, Institute of Laser Physics (Russian Federation)

Published in SPIE Proceedings Vol. 7580:
Fiber Lasers VII: Technology, Systems, and Applications
Kanishka Tankala, Editor(s)

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