Two-photon pumped lasing in single-crystal organic nanowire exciton polariton resonators

J Am Chem Soc. 2011 May 18;133(19):7276-9. doi: 10.1021/ja200549v. Epub 2011 Apr 25.


Single-crystal organic nanowires were fabricated with a soft-template-assisted self-assembly method in liquid phase. These nanowires with rectangular cross section can serve as resonators for exciton-photon coupling, leading to a microcavity effect and a relatively low threshold of laser actions. Two-photon-pumped blue lasing was observed in these organic waveguiding nanostructures above a threshold of 60 nJ, excited with a 750 nm near-infrared femtosecond pulse laser at 77 K.