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An organic vortex laser

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Stellinga_2018_An_organic_ACSNano_AAM.pdf (1.146Mb)
Date
27/03/2018
Author
Stellinga, Daan
Pietrzyk, Monika
Glackin, James Michael Edward
Wang, Yue
Bansal, Ashu Kumar
Turnbull, Graham Alexander
Dholakia, Kishan
Samuel, Ifor David William
Krauss, T
Funder
EPSRC
The Royal Society
Grant ID
EP/J01771X/1
Keywords
Spiral grating
Organic semiconductor
OAM
Vortex beam
Vector beam
QC Physics
QD Chemistry
QH301 Biology
T Technology
DAS
BDC
R2C
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Abstract
Optical vortex beams are at the heart of a number of novel research directions, both as carriers of information and for the investigation of optical activity and chiral molecules. Optical vortex beams are beams of light with a helical wavefront and associated orbital angular momentum. They are typically generated using bulk optics methods or by a passive element such as a forked grating or a metasurface to imprint the required phase distribution onto an incident beam. Since many applications benefit from further miniaturisation, a more integrated yet scalable method is highly desirable. Here, we demonstrate the generation of an azimuthally polarised vortex beam directly by an organic semiconductor laser that meets these requirements. The organic vortex laser uses a spiral grating as a feedback element that gives control over phase, handedness and degree of helicity of the emitted beam. We demonstrate vortex beams up to an azimuthal index l = 3 that can be readily multiplexed into an array configuration.
Citation
Stellinga , D , Pietrzyk , M , Glackin , J M E , Wang , Y , Bansal , A K , Turnbull , G A , Dholakia , K , Samuel , I D W & Krauss , T 2018 , ' An organic vortex laser ' , ACS Nano , vol. 12 , no. 3 , pp. 2389-2394 . https://doi.org/10.1021/acsnano.7b07703
Publication
ACS Nano
Status
Peer reviewed
DOI
https://doi.org/10.1021/acsnano.7b07703
ISSN
1936-0851
Type
Journal article
Rights
Copyright © 2018, American Chemical Society. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1021/acsnano.7b07703
Description
The authors gratefully acknowledge funding from the EPSRC Programme Grant EP/J01771X/1/ “Challenging the Limits of Photonics”. J.M.E.G. acknowledges funding from the EPSRC DTG EP/L505079/1. I.D.W.S. and T.F.K. also acknowledge Royal Society Wolfson Research Merit Awards.
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/16772

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