LIMITS ON AMPLIFICATION OF PICOSECOND PULSES BY USING SEMICONDUCTOR-LASER TRAVELING-WAVE AMPLIFIERS

The limiting factors in picosecond pulse amplification by semiconductor traveling-wave laser amplifiers are investigated, including the effects of the spontaneous emission. For the amplifier with a negligible amount of spontaneous emission, amplification is limited by the energy saturation for low-repetition-rate pulses, while the power saturation is the limiting factor for high-repetition-rate pulses. The spontaneous emission decreases both the signal gain of the amplifier and the signal-to-noise ratio considerably. The effective gain recovery time and the effective saturation energy are strong functions of the input pulse energy and the amount of the spontaneous emission.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
1991-05
Language
ENG
Keywords

OPTICAL PULSES; SUBPICOSECOND; GENERATION

Citation

IEEE JOURNAL OF QUANTUM ELECTRONICS, v.27, no.5, pp.1110 - 1114

ISSN
0018-9197
DOI
10.1109/3.83361
URI
http://hdl.handle.net/10203/937
Appears in Collection
EE-Journal Papers(저널논문)
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