We demonstrate a detectorless THz imaging based on quantum cascade lasers operating under optical feedback to monitor the spatial distribution of free electron plasma induced onto a semiconductor by photo-excitation with a reconfigurable pattern of NIR laser pump. © 2014 OSA.
THz imaging of free carrier density based on quantum cascade lasers under optical feedback
Mezzapesa Francesco Paolo;Columbo Lorenzo L;Vitiello Miriam Serena;
2014
Abstract
We demonstrate a detectorless THz imaging based on quantum cascade lasers operating under optical feedback to monitor the spatial distribution of free electron plasma induced onto a semiconductor by photo-excitation with a reconfigurable pattern of NIR laser pump. © 2014 OSA.File in questo prodotto:
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