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Ultrafast all-optical gated amplifier based on ZnO nanowire lasing
Marijn A. M. Versteegh, Peter J. S. van Capel, Jaap I. Dijkhuis
We present an ultrafast all-optical gated amplifier, or transistor, consisting of a forest of ZnO nanowire lasers. A gate light pulse creates a dense electron-hole plasma and excit…
Measurement of light diffusion in ZnO nanowire forests
Marijn A. M. Versteegh, Ruben E. C. van der Wel, Jaap I. Dijkhuis
Optimum design of efficient nanowire solar cells requires better understanding of light diffusion in a nanowire array. Here we demonstrate that our recently developed ultrafast all…
Ultrafast all-optical shutter based on two-photon absorption
Marijn A. M. Versteegh, Jaap I. Dijkhuis
An ultrafast all-optical shutter is presented, based on a simple two-color two-photon absorption technique. For time-resolved luminescence measurements this shutter is an interesti…