DEVICE AND METHOD FOR GENERATING HIGH OUTPUT OPTICAL PULSE

摘要

PROBLEM TO BE SOLVED: To provide a means for generating a high output optical pulse of femto-seconds. SOLUTION: The high output optical pulse generator has a fiber oscillator 10 for generating signal light, an amplification fiber 11 to be used also as a Soliton-Raman compressor(SRC) capable of receiving signal light with a non- linear phase delay and amplifying and compressing the received signal and a periodical poling LNbO (PPLN) 20 to be a frequency converter for frequency- converting the amplified optical pulse into a high output optical pulse. Dispersion is compensated by a dispersion compensating fiber 18. An optical pulse is reflected by a Faraday rotation mirror(FRM) 19 and a double pulse format is taken. Energy from pump light injected from a pump 16 is obtained, a signal light is amplified and compressed and a high output optical pulse of femto- seconds can be obtained by wavelength frequency-converted by the PPLN frequency converter 20.