Fundamental and harmonic mode-locking with pulse repetition rate between 200 MHz and 6.8 GHz in a quantum-dot external-cavity laser

Y. Ding, D.I. Nikitichev, I. Krestnikov, D. Livshits, M.A. Cataluna, E.U. Rafailov

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    5 Citations (Scopus)

    Abstract

    Semiconductor lasers with broad tunability of the pulse repetition rate in the range of MHz to GHz are very useful for non-linear imaging techniques, especially in the bio-medical field. In our previous work, we demonstrated a quantum-dot external-cavity passively mode-locked lasers (QD-ECMLL) incorporating a QD semiconductor saturable absorber mirror (SESAM) [1], generating pulses at repetition rates ranging from 1.5 GHz to 350 MHz. In a more recent investigation [2], a QD-ECMLL is demonstrated with pulse repetition rate as low as 310 MHz and corresponding harmonics up to 4 GHz (based on a fundamental frequency of ~1 GHz). We have demonstrated very recently the generation of high-peak-power picosecond pulses with repetition frequency from 2.4 GHz to 1.14GHz [3] using an external cavity output coupler of 96% transmissivity.
    Original languageEnglish
    Title of host publication2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference, CLEO EUROPE/EQEC 2011
    Number of pages1
    ISBN (Electronic)9781457705328
    DOIs
    Publication statusPublished - 1 Jan 2011

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    Ding, Y., Nikitichev, D. I., Krestnikov, I., Livshits, D., Cataluna, M. A., & Rafailov, E. U. (2011). Fundamental and harmonic mode-locking with pulse repetition rate between 200 MHz and 6.8 GHz in a quantum-dot external-cavity laser. In 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference, CLEO EUROPE/EQEC 2011 https://doi.org/10.1109/CLEOE.2011.5943008