Synchronization and phase lock of two mode-locked femtosecond lasers

Robert K. Shelton; Long-Sheng Ma; Henry C. Kapteyn; Margaret M. Murnane; John L. Hall; Jun Ye

doi:10.1117/12.424459

3 May 2001 Synchronization and phase lock of two mode-locked femtosecond lasers

Robert K. Shelton, Long-Sheng Ma, Henry C. Kapteyn, Margaret M. Murnane, John L. Hall, Jun Ye

Proceedings Volume 4269, Laser Frequency Stabilization, Standards, Measurement, and Applications; (2001) https://doi.org/10.1117/12.424459
Event: Photonics West 2001 - LASE, 2001, San Jose, CA, United States

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.

Citation Download Citation

Robert K. Shelton, Long-Sheng Ma, Henry C. Kapteyn, Margaret M. Murnane, John L. Hall, and Jun Ye "Synchronization and phase lock of two mode-locked femtosecond lasers", Proc. SPIE 4269, Laser Frequency Stabilization, Standards, Measurement, and Applications, (3 May 2001); https://doi.org/10.1117/12.424459

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