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Proceedings Paper

Synchronization and phase lock of two mode-locked femtosecond lasers
Author(s): Robert K. Shelton; Long-Sheng Ma; Henry C. Kapteyn; Margaret M. Murnane; John L. Hall; Jun Ye
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Paper Abstract

Two independent mode-locked femtosecond lasers are synchronized to an unprecedented precision. The rms timing jitter between the lasers is 4.3 fs observed within a 160 Hz bandwidth over tens of seconds, or 26 fs within a 50 kHz bandwidth. Novel multi-stage phase locked loops help to preserve this ultrahigh timing resolution throughout the entire delay range between pulses (10 ns). We also demonstrate that the same level of synchronization can be achieved with two lasers at different repetition frequencies. Under such synchronization, phase lock between the carrier frequencies of the two fs lasers has been achieved.

Paper Details

Date Published: 3 May 2001
PDF: 7 pages
Proc. SPIE 4269, Laser Frequency Stabilization, Standards, Measurement, and Applications, (3 May 2001); doi: 10.1117/12.424459
Show Author Affiliations
Robert K. Shelton, JILA/National Institute of Standards and Technology and Univ. of Colorado/Boulder (United States)
Long-Sheng Ma, JILA/National Institute of Standards and Technology and Univ. of Colorado/Boulder (United States)
Henry C. Kapteyn, JILA/National Institute of Standards and Technology and Univ. of Colorado/Boulder (United States)
Margaret M. Murnane, JILA/National Institute of Standards and Technology and Univ. of Colorado/Boulder (United States)
John L. Hall, JILA/National Institute of Standards and Technology and Univ. of Colorado/Boulder (United States)
Jun Ye, JILA/National Institute of Standard and Technology and Univ. of Colorado/Boulder (United States)


Published in SPIE Proceedings Vol. 4269:
Laser Frequency Stabilization, Standards, Measurement, and Applications
John L. Hall; Jun Ye, Editor(s)

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