Stabilization of an active harmonically mode-locked fiber laser using two-photon absorption

Summary form only given. Active harmonically mode-locked fiber lasers producing picosecond pulses at gigahertz repetition rates for communications and precision optical sampling require a mechanism to equalize pulse energies to prevent amplitude fluctuations and pulse dropouts. Recently, it was show...

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Published inConference on Lasers and Electro-Optics (CLEO 2000). Technical Digest. Postconference Edition. TOPS Vol.39 (IEEE Cat. No.00CH37088) pp. 24 - 25
Main Authors Grein, M.E., Thoen, E.R., Koontz, E.M., Haus, H.A., Kolodziejski, L.A., Ippen, E.P.
Format Conference Proceeding
LanguageEnglish
Published IEEE 2000
Subjects
Absorption
Fiber lasers
Fluctuations
Laser mode locking
Laser stability
Mirrors
Optical fiber communication
Optical pulses
Sampling methods
Semiconductor lasers
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Summary:Summary form only given. Active harmonically mode-locked fiber lasers producing picosecond pulses at gigahertz repetition rates for communications and precision optical sampling require a mechanism to equalize pulse energies to prevent amplitude fluctuations and pulse dropouts. Recently, it was shown that two-photon absorption (TPA) can limit the peak intensity of Q-switched mode-locking and enhance the stability of continuous-wave mode-locking. In the paper, it is shown that a semiconductor mirror providing TPA in a harmonically mode-locked fiber laser introduces a fast intensity-dependent loss that can equalize pulse energies and reduce pulse dropouts.
ISBN:1557526346
9781557526342
DOI:10.1109/CLEO.2000.906681