Pulse energy gain saturation in subpico- and picosecond pulse amplification by a traveling-wave semiconductor laser amplifier
- 1 October 1989
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 1 (10) , 297-299
- https://doi.org/10.1109/68.43354
Abstract
Optical pulses with durations ranging from 0.49 to 21 ps are amplified by a traveling-wave semiconductor laser amplifier. The pulse energy gain is determined by pulse energy only. The dependence of pulse energy gain on output pulse energy does not change in the pulse duration range. The saturation characteristics are successfully explained by a four-level system model.<>Keywords
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