Inverse saturable absorption stronger than two-photon absorption is observed in 1.5-µm semiconductor saturable absorber mirrors (SESAMs) measured with pulse durations of 190 fs to 20 ps and repetition rates of 60 MHz to 10 GHz.
© 2005 Optical Society of America
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.4050) Lasers and laser optics : Mode-locked lasers
(160.0160) Materials : Materials
(160.4330) Materials : Nonlinear optical materials
R. Grange, M. Haiml, R. Paschotta, G. J. Spühler, L. Krainer, U. Keller, and O. Ostinelli, "Novel Inverse Saturable Absorption for Improved Passive Mode Locking," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper CFB5.
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