supported by the European Research Council POLAFLOW Grant 308136 and the Italian MIUR project Beyond Nano;supported by the NCN Grant no.2012/04/M/ST2/00789;MNiSW Iuventus Plus project no.IP 2014044873;support from the FNP project FIRST TEAM/2016-2/17;support from NCN Grant 2015/17/B/ST3/02273.
In this work,we experimentally demonstrate for the first time the spontaneous generation of two-dimensional exciton-polariton X-waves.X-waves belong to the family of localized packets that can sustain their shape with...
the support of the UK Engineering and Physical Sciences Research Council.
This paper reports the observation of ultra-superluminal pulse propagation in multiple-contact semiconductor heterostructures in a superradiant emission regime,and shows definitively that it is a different class of em...