Active synchronization of two mode-locked lasers with optical cross correlation

T. Miura, H. Nagaoka, K. Takasago, K. Kobayashi, A. Endo, K. Torizuka, Masakazu Washio, F. Kannari

    Research output: Contribution to journalArticle

    20 Citations (Scopus)

    Abstract

    Two mode-locked Ti:sapphire lasers of different wavelengths were precisely synchronized by a simple feedback system employing sum-frequency generation (cross correlation). When the timing error exceeded the pulse duration, the periodic bunch of the sum-frequency pulse was used for rough timing adjustment. Using cross correlation with a stretched pulse, we struck a balance between wide locking range and sensitive timing detection. When the two lasers were well-synchronized, we obtained a continuous cross-correlation pulse train for 3 min. The holding time of the laser synchronization was extended to over one hour by adding a motorized stage to the PZT-mounted cavity mirror. We estimated the rms timing jitter between the two lasers by a scanning cross-correlation measurement. We confirmed that the rms timing jitter of the two lasers during 1.8 s was 28 fs.

    Original languageEnglish
    Pages (from-to)19-23
    Number of pages5
    JournalApplied Physics B: Lasers and Optics
    Volume75
    Issue number1
    DOIs
    Publication statusPublished - 2002 Jul

    Fingerprint

    cross correlation
    synchronism
    time measurement
    lasers
    pulses
    vibration
    locking
    pulse duration
    sapphire
    adjusting
    mirrors
    cavities
    scanning
    wavelengths

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics
    • Physics and Astronomy (miscellaneous)

    Cite this

    Miura, T., Nagaoka, H., Takasago, K., Kobayashi, K., Endo, A., Torizuka, K., ... Kannari, F. (2002). Active synchronization of two mode-locked lasers with optical cross correlation. Applied Physics B: Lasers and Optics, 75(1), 19-23. https://doi.org/10.1007/s00340-002-0994-5

    Active synchronization of two mode-locked lasers with optical cross correlation. / Miura, T.; Nagaoka, H.; Takasago, K.; Kobayashi, K.; Endo, A.; Torizuka, K.; Washio, Masakazu; Kannari, F.

    In: Applied Physics B: Lasers and Optics, Vol. 75, No. 1, 07.2002, p. 19-23.

    Research output: Contribution to journalArticle

    Miura, T, Nagaoka, H, Takasago, K, Kobayashi, K, Endo, A, Torizuka, K, Washio, M & Kannari, F 2002, 'Active synchronization of two mode-locked lasers with optical cross correlation', Applied Physics B: Lasers and Optics, vol. 75, no. 1, pp. 19-23. https://doi.org/10.1007/s00340-002-0994-5
    Miura, T. ; Nagaoka, H. ; Takasago, K. ; Kobayashi, K. ; Endo, A. ; Torizuka, K. ; Washio, Masakazu ; Kannari, F. / Active synchronization of two mode-locked lasers with optical cross correlation. In: Applied Physics B: Lasers and Optics. 2002 ; Vol. 75, No. 1. pp. 19-23.
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    AU - Torizuka, K.

    AU - Washio, Masakazu

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