Articolo in rivista, 2020, ENG, 10.1364/OPTICA.403558
Suarez-Forero, D. G.; Riminucci, F.; Ardizzone, V.; De Giorgi, M.; Dominici, L.; Todisco, F.; Lerario, G.; Pfeiffer, L. N.; Gigli, G.; Ballarini, D.; Sanvitto, D.
Inst Nanotechnol; Univ Salento; Lawrence Berkeley Natl Lab; Princeton Univ
Exciton-polaritons are mixed light-matter particles offering a versatile solid state platform to study many-body physical effects. In this work, we demonstrate an electrically controlled polariton laser, in a compact, easy-to-fabricate and integrable configuration, based on a semiconductor waveguide. Interestingly, we show that polariton lasing can be achieved in a system without a global minimum in the polariton energy-momentum dispersion. The cavity modes for the laser emission are obtained by adding couples of specifically designed diffraction gratings on top of the planar waveguide, forming an in-plane Fabry-Perot cavity. It is due to the waveguide geometry that we can apply a transverse electric field to finely tune the laser energy and quality factor of the cavity modes. Remarkably, we exploit the system sensitivity to the applied electric field to achieve an electrically controlled population of coherent polaritons. The precise control that can be reached with the manipulation of the grating properties and of the electric field provides strong advantages to this device in terms of miniaturization and integrability, two main features for the future development of coherent sources for polaritonic technologies. (c) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
Optica 7 (11), pp. 1579–1586
waveguide, polariton laser, grating, solid state, nanopatterning, Exciton-polaritons, electrical control
Lerario Giovanni, Suarez Forero Daniel Gustavo, Riminucci Fabrizio, Ardizzone Vincenzo, Sanvitto Daniele, Ballarini Dario, Gigli Giuseppe, Dominici Lorenzo, Todisco Francesco
ID: 441884
Year: 2020
Type: Articolo in rivista
Creation: 2021-01-13 21:52:18.000
Last update: 2021-04-06 20:07:48.000
External links
OAI-PMH: Dublin Core
OAI-PMH: Mods
OAI-PMH: RDF
URL: https://www.osapublishing.org/optica/fulltext.cfm?uri=optica-7-11-1579&id=442344
External IDs
CNR OAI-PMH: oai:it.cnr:prodotti:441884
DOI: 10.1364/OPTICA.403558
ISI Web of Science (WOS): 000593180100002