Title :
General method for ultrashort light pulse chirp measurement
Author :
Naganuma, Kazunori ; Mogi, Kazuo ; Yamada, Hajime
Author_Institution :
Opto-Electron. Lab., NTT, Kanagawa, Japan
fDate :
6/1/1989 12:00:00 AM
Abstract :
Conditions to retrieve pulse intensity and chirp from autocorrelation signals are mathematically discussed. The interferometric SHG autocorrelation signal and the interferogram of fundamental light are shown to be a sufficient data set for the pulseform retrieval. This measurement scheme is experimentally demonstrated on laser diode pulses. The method utilizes Fourier analysis of the signals and iterative calculations, and is especially suited to the measurement of pulses having weak peak intensity
Keywords :
Fourier analysis; high-speed optical techniques; iterative methods; laser beams; laser variables measurement; light interferometry; optical correlation; optical modulation; semiconductor junction lasers; Fourier analysis; autocorrelation signals; fundamental light interferogram; interferometric SHG autocorrelation signal; iterative calculations; laser diode pulses; pulse intensity; pulseform retrieval; ultrashort light pulse chirp measurement; weak peak intensity; Autocorrelation; Chirp; Diode lasers; Information retrieval; Iterative methods; Optical filters; Optical harmonic generation; Optical interferometry; Optical pulses; Pulse amplifiers; Pulse measurements; Signal analysis; Ultrafast optics;
Journal_Title :
Quantum Electronics, IEEE Journal of
