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Published June 1, 1993 | public
Journal Article Open

Frequency locking of an erbium-doped fiber ring laser to an external fiber Fabry-Perot resonator


An all-fiber, single-frequency, erbium-doped ring laser has been frequency locked to a resonance peak of an external fiber Fabry-Perot resonator by the Pound-Drever technique. In addition, feedback to the mode selection filter in the laser resonator eliminates occasional mode hopping completely, resulting in frequency-locked, stable, single-frequency operation of the laser for periods of several hours.

Additional Information

© Copyright 1993 Optical Society of America. Received December 23, 1992. The authors thank Northrop Corporation and the U.S. Office of Naval Research (contract N00014-91- J-1524) for their support.


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