Two-photon absorption based photodetection at 1550 nm is shown using a GaAs multiple-quantum well waveguide laser structure. A large efficiency is determined and we demonstrate its application for autocorrelation of 100 fs pulses with sub-watt peak powers.
Published in:
LEOS Annual Meeting Conference Proceedings, 2009. LEOS '09. IEEE
Date of Conference: 4-8 Oct. 2009