Autocorrelation and ultrafast optical thresholdingat 1.5 µm using a commercialInGaAsP 1.3 µm laser diode

Abstract

Two-photon absorption in a commercial InGaAsP 1.3 µm Fabry-Perot laser diode has been used for autocorrelation measurements of picosecond pulses at 1.5 µm with average power peak-power products as low as 0.15 × 10–3 (mW)2. The laser diode has also been observed to possess a sub-nanosecond electrical response suitable for optical thresholding applications.