High Repetition Rate Ti:Sapphire Laser Mode-Locked by InP Quantum-Dot Saturable Absorber

We report the first demonstration of a Ti:sapphire laser mode-locked with a quantum-dot mode-locker (QDM) at repetition rates up to 1.77 GHz with 8-ps pulse duration and 400-mW average output power. So far, with quantum-well-based mode-lockers, a repetition rate of only up to 300 MHz has been achiev...

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Bibliographic Details
Published inIEEE photonics technology letters Vol. 23; no. 21; pp. 1603 - 1605
Main Authors Butkus, M., Robertson, G., Maker, G., Malcolm, G., Hamilton, C., Krysa, A. B., Stevens, B. J., Hogg, R. A., Yang Qiu, Walther, T., Rafailov, E. U.
Format Journal Article
LanguageEnglish
Published IEEE 01.11.2011
Subjects
Laser excitation
Laser mode locking
Laser tuning
Measurement by laser beam
Pump lasers
Quantum dot lasers
quantum dots (QDs)
solid lasers
Surface emitting lasers
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Summary:We report the first demonstration of a Ti:sapphire laser mode-locked with a quantum-dot mode-locker (QDM) at repetition rates up to 1.77 GHz with 8-ps pulse duration and 400-mW average output power. So far, with quantum-well-based mode-lockers, a repetition rate of only up to 300 MHz has been achievable in our experiments. We show that QDM can support mode-locking in a wide range of repetition rates from 100 MHz to 1.8 GHz.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2011.2164902