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  • Title: A Q-switched, mode-locked fiber laser employing subharmonic cavity modulation.
    Author: Chang YM, Lee J, Lee JH.
    Journal: Opt Express; 2011 Dec 19; 19(27):26627-33. PubMed ID: 22274246.
    Abstract:
    We present a new and simple approach for the generation of Q-switched, mode-locked pulses from a laser cavity. The approach is based on cavity loss modulation that employs a subharmonic frequency of the fundamental intermode frequency spacing. A range of experiments have been carried out using an erbium-doped fiber-based ring cavity laser in order to verify that this simple approach can readily produce high quality Q-switched, mode-locked pulses. An active tuning of the Q-switched envelope repetition rate is also shown to be easily achievable by adjusting the order of the applied subharmonic frequency.
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