1.Photonic Innovations Lab, Department of Electronic and Electrical Engineering, University College London, London WC1E 7JE, UK
2.School of Engineering, University of Newcastle, Newcastle NE1 7RU, UK
3.Department of Chemistry, Imperial College London, London W12 0BZ, UK
4.Department of Chemistry, University College London, London WC1H 0AJ, UK
5.Department of Electronic and Electrical Engineering, University College London, London
Ioannis Papakonstantinou (i.papakonstantinou@ucl.ac.uk)
纸质出版日期:2021,
网络出版日期:2021-01-01,
收稿日期:2020-07-28,
修回日期:2020-10-20,
录用日期:2020-11-23
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Bandwidth limits of luminescent solar concentrators as detectors in free-space optical communication systems[J]. LSA, 2021,10(1):29-40.
Portnoi, M. et al. Bandwidth limits of luminescent solar concentrators as detectors in free-space optical communication systems. Light: Science & Applications, 10, 29-40 (2021).
Bandwidth limits of luminescent solar concentrators as detectors in free-space optical communication systems[J]. LSA, 2021,10(1):29-40. DOI: 10.1038/s41377-020-00444-y.
Portnoi, M. et al. Bandwidth limits of luminescent solar concentrators as detectors in free-space optical communication systems. Light: Science & Applications, 10, 29-40 (2021). DOI: 10.1038/s41377-020-00444-y.
Luminescent solar concentrators (LSCs) have recently emerged as a promising receiver technology in free-space optical communications due to their inherent ability to collect light from a wide field-of-view and concentrate it into small areas
thus leading to high optical gains. Several high-speed communication systems integrating LSCs in their detector blocks have already been demonstrated
with the majority of efforts so far being devoted to maximising the received optical power and the system's field-of-view. However
LSCs may pose a severe bottleneck on the bandwidth of such communication channels due to the comparably slow timescale of the fluorescence events involved
a situation further aggravated by the inherent reabsorption in these systems
and yet
an in-depth study into such dynamic effects remains absent in the field. To fill this gap
we have developed a comprehensive analytical solution that delineates the fundamental bandwidth limits of LSCs as optical detectors in arbitrary free-space optical links
and establishes their equivalence with simple RC low-pass electrical circuits. Furthermore
we demonstrate a time-domain Monte Carlo simulation platform
an indispensable tool in the multiparameter optimisation of LSC-based receiver systems. Our work offers vital insight into LSC system dynamic behaviour and paves the way to evaluate the technology for a wide range of applications
including visible light communications
high-speed video recording
and real-time biological imaging
to name a few.
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