To provide a means which generates a high power optical pulse of femtosecond level.
A high power optical pulse-generating device has a fiber oscillator 10 which generates signal light; an amplifying fiber 11 which has nonlinear phase delay and receives, amplifies and compresses the signal light, the amplifying fiber acting as a Soliton Raman compressor (SRC); and a PPLN 20 (periodic polling LiNbO3) which is a frequency converter which frequency-converts an amplified optical pulse into a high power optical pulse. A dispersion compensating fiber 18 compensates for the dispersion. The optical pulse is reflected by a Faraday rotation mirror (FRM) 19 to form a double-path form. The signal light receives energy from the pump light fed from a pump 16 and is amplified and compressed, and a high power pulse of femtosecond level is obtained, at a frequency at which frequency conversion is performed by the PPLN frequency convertor 20.
GALVANAUSKAS ALMANTAS DR
HARTER DONALD J DR
Nobuaki Kato
Okabe
Shinichi Usui
Takao Ochi
Asahi Shinmitsu
Katsumi Miyama
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