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Optical Engineering

Frequency stabilization of a mode-locked external cavity diode laser to a high-finesse cavity
Author(s): Yihan Xiong; Sytil Murphy; John L. Carlsten; Kevin S. Repasky
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Paper Abstract

A 17.84-cm-long Littrow external cavity diode laser at 823 nm is mode-locked by actively modulating the current at a 840.843-MHz fundamental harmonic frequency. This mode-locked external cavity diode laser has an overall spectral width of 0.16 nm (or 71 GHz), roughly corresponding to 84 longitudinal modes, a temporal pulse width of 63 ps, and an average power of 1 mW. Using the Pound-Drever-Hall technique with both fast and slow servo corrections, this mode-locked laser is then frequency-stabilized to a 17.84-cm-long sealed optical cavity with a finesse of 6000. To the author's knowledge, this is the first frequency stabilization of a mode-locked diode laser with such a high-finesse cavity.

Paper Details

Date Published: 1 May 2007
PDF: 4 pages
Opt. Eng. 46(5) 054203 doi: 10.1117/1.2738982
Published in: Optical Engineering Volume 46, Issue 5
Show Author Affiliations
Yihan Xiong, Montana State Univ./Bozeman (United States)
Sytil Murphy, Montana State Univ./Bozeman (United States)
John L. Carlsten, Montana State Univ./Bozeman (United States)
Kevin S. Repasky, Montana State Univ./Bozeman (United States)


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