Circularly Polarized Laser with Chiral Nematic Cellulose Nanocrystal Cavity

[Image: see text] Circularly polarized (CP) lasers derived from low-cost and renewable raw sources are attracting increasing attention in photonics and material science. Here, we present a facile and effective approach to fabricate CP lasers by the evaporation-induced assembly of cellulose nanocryst...

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Autores principales: Qu, Dan, Archimi, Matteo, Camposeo, Andrea, Pisignano, Dario, Zussman, Eyal
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Chemical Society 2021
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8266174/
https://www.ncbi.nlm.nih.gov/pubmed/33961409
http://dx.doi.org/10.1021/acsnano.1c01001
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author Qu, Dan
Archimi, Matteo
Camposeo, Andrea
Pisignano, Dario
Zussman, Eyal
author_facet Qu, Dan
Archimi, Matteo
Camposeo, Andrea
Pisignano, Dario
Zussman, Eyal
author_sort Qu, Dan
collection PubMed
description [Image: see text] Circularly polarized (CP) lasers derived from low-cost and renewable raw sources are attracting increasing attention in photonics and material science. Here, we present a facile and effective approach to fabricate CP lasers by the evaporation-induced assembly of cellulose nanocrystals (CNCs) and a laser dye. The obtained laser exhibits a controlled chiral nematic structure, which acts as a chiral optical cavity, and varied chiral coupling interactions. It is shown that the CNC-based laser can modify the polarization state of the laser into left-handed polarization, leading to strong CP laser emission (CPLE) with a dissymmetry factor up to 0.35. The chiral nematic CNC structure proves to be a versatile yet straightforward strategy to generate strong and tailored CPLE.
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spelling pubmed-82661742021-07-09 Circularly Polarized Laser with Chiral Nematic Cellulose Nanocrystal Cavity Qu, Dan Archimi, Matteo Camposeo, Andrea Pisignano, Dario Zussman, Eyal ACS Nano [Image: see text] Circularly polarized (CP) lasers derived from low-cost and renewable raw sources are attracting increasing attention in photonics and material science. Here, we present a facile and effective approach to fabricate CP lasers by the evaporation-induced assembly of cellulose nanocrystals (CNCs) and a laser dye. The obtained laser exhibits a controlled chiral nematic structure, which acts as a chiral optical cavity, and varied chiral coupling interactions. It is shown that the CNC-based laser can modify the polarization state of the laser into left-handed polarization, leading to strong CP laser emission (CPLE) with a dissymmetry factor up to 0.35. The chiral nematic CNC structure proves to be a versatile yet straightforward strategy to generate strong and tailored CPLE. American Chemical Society 2021-05-07 2021-05-25 /pmc/articles/PMC8266174/ /pubmed/33961409 http://dx.doi.org/10.1021/acsnano.1c01001 Text en © 2021 American Chemical Society Permits non-commercial access and re-use, provided that author attribution and integrity are maintained; but does not permit creation of adaptations or other derivative works (https://creativecommons.org/licenses/by-nc-nd/4.0/).
spellingShingle Qu, Dan
Archimi, Matteo
Camposeo, Andrea
Pisignano, Dario
Zussman, Eyal
Circularly Polarized Laser with Chiral Nematic Cellulose Nanocrystal Cavity
title Circularly Polarized Laser with Chiral Nematic Cellulose Nanocrystal Cavity
title_full Circularly Polarized Laser with Chiral Nematic Cellulose Nanocrystal Cavity
title_fullStr Circularly Polarized Laser with Chiral Nematic Cellulose Nanocrystal Cavity
title_full_unstemmed Circularly Polarized Laser with Chiral Nematic Cellulose Nanocrystal Cavity
title_short Circularly Polarized Laser with Chiral Nematic Cellulose Nanocrystal Cavity
title_sort circularly polarized laser with chiral nematic cellulose nanocrystal cavity
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8266174/
https://www.ncbi.nlm.nih.gov/pubmed/33961409
http://dx.doi.org/10.1021/acsnano.1c01001
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AT pisignanodario circularlypolarizedlaserwithchiralnematiccellulosenanocrystalcavity
AT zussmaneyal circularlypolarizedlaserwithchiralnematiccellulosenanocrystalcavity

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