Self-Interfering Wave Packets.

Physical Review Letters
David Colas, Fabrice P Laussy

Abstract

We study the propagation of noninteracting polariton wave packets. We show how two qualitatively different concepts of mass that arise from the peculiar polariton dispersion lead to a new type of particlelike object from noninteracting fields-much like self-accelerating beams-shaped by the Rabi coupling out of Gaussian initial states. A divergence and change of sign of the diffusive mass results in a "mass wall" on which polariton wave packets bounce back. Together with the Rabi dynamics, this yields propagation of ultrafast subpackets and ordering of a spacetime crystal.

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Citations

Jul 28, 2016·Scientific Reports·Amir Rahmani, Fabrice P Laussy
Jan 12, 2018·Light, Science & Applications·Antonio GianfrateDaniele Sanvitto
May 17, 2017·Scientific Reports·F PinskerT J Alexander
Jun 10, 2017·Physical Review Letters·Dario BallariniDaniele Sanvitto
Aug 18, 2018·Physical Review Letters·David ColasMatthew J Davis
Nov 12, 2020·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·Abdelhalim BencheikhWidad Moussaoui
Nov 17, 2020·Physical Review Letters·S A SimmonsK V Kheruntsyan
Jul 3, 2018·ACS Photonics·Charles MöhlJana Zaumseil
Jul 12, 2018·Nano Letters·Yuriy ZakharkoJana Zaumseil

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