Stabilization of an active harmonically mode-locked fiber laser using two-photon absorption.
Two-photon absorption provided by a semiconductor mirror structure is shown to reduce amplitude fluctuations significantly in a harmonically mo e-locked fiber ring laser. Pulse dropouts are eliminated in a laser that produces picosecond pulses at a repetition rate of 2 GHz.
Thoen
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Grein
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Koontz
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Ippen
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Haus
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Kolodziejski
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