Abstract
It is found from a series of numerical simulations that a simple relation, ΔtΔfc=0.4α, holds between an amount of down-chirp (Δfc) and a pulsewidth (Δt) for pulses from an injection-modulated semiconductor laser having a known α-Parametef value. This relation is useful for estimating the amount of chirp existing in pulses. The validity of the relation is examined by a direct observation of chirped pulses using a combination of a streak camera and a spectrometer.
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Wada, K., Akage, Y. & Cho, Y. α-parameter dependence of chirped pulse from injection-moudated semiconductor lasers. Optical Review 1, 217–219 (1994). https://doi.org/10.1007/BF03254867
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DOI: https://doi.org/10.1007/BF03254867