Green perovskite distributed feedback lasers
Abstract
A visible perovskite distributed feedback laser is fabricated for the first time. Through the use of nanocrystal pinning, highly luminescent methylammonium lead bromide films are used to produce stable lasers emitting at 550 nm, with a low threshold of 6 µJcm−2. The lasers were able to support multiple polarisations, and could be switched between transverse magnetic and transverse electric mode operation through simple tuning of the distributed feedback grating period.
Citation
Harwell , J R , Whitworth , G L , Turnbull , G A & Samuel , I D W 2017 , ' Green perovskite distributed feedback lasers ' , Scientific Reports , vol. 7 , 11727 . https://doi.org/10.1038/s41598-017-11569-3
Publication
Scientific Reports
Status
Peer reviewed
ISSN
2045-2322Type
Journal article
Description
This work was supported by the Engineering and Physical Sciences Research Council (EPSRC) of the UK Grants; EP/K503162/1, EP/M506631/1, EP/M025330/1 and EP/L017008/1. IDWS acknowledges funding from a Royal Society Wolfson research merit award.Collections
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