Liquid Crystals, volume 46, issue 15, pages 2159-2166
Laser emission at the second-order photonic band gap in an electric-field-distorted cholesteric liquid crystal
1
Departamento de Física Aplicada II, Facultad de Ciencia y Tecnología, UPV/EHU, Bilbao, Spain
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2
Departamento de Física de la Materia Condensada, Facultad de Ciencia y Tecnología, UPV/EHU, Bilbao, Spain
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Publication type: Journal Article
Publication date: 2019-05-13
Journal:
Liquid Crystals
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor: 2.2
ISSN: 02678292, 13665855
General Chemistry
Condensed Matter Physics
General Materials Science
Abstract
ABSTRACT We study the optical properties of a cholesteric liquid crystal doped with a fluorescent dye in the regime of highly distorted helix without full helix unwinding. The distortion was achieved by applying a pulsed AC electric field, perpendicular to the helix axis. If the pulse is in the millisecond range, the helix is deformed but keeps its original pitch even for electric fields higher than the theoretical critical field for helix unwinding. In this field regime, very pronounced high-order photonic band gaps are observed, in agreement with our calculations. We theoretically explore the possibility of obtaining viable laser emission at the second-order photonic band gap, and experimentally find that lasing is not only possible but has a figure of merit similar to that of the usual laser at the main-gap region. Therefore, electric-field-induced high-order photonic band gaps are potentially useful for multiline laser applications. Graphical abstract
Citations by journals
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Liquid Crystals
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Liquid Crystals
6 publications, 66.67%
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Physical Review E
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Physical Review E
1 publication, 11.11%
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Crystals
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1 publication, 11.11%
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Phosphorus, Sulfur and Silicon and the Related Elements
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Phosphorus, Sulfur and Silicon and the Related Elements
1 publication, 11.11%
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Citations by publishers
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Taylor & Francis
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Taylor & Francis
7 publications, 77.78%
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American Physical Society (APS)
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American Physical Society (APS)
1 publication, 11.11%
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Multidisciplinary Digital Publishing Institute (MDPI)
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Multidisciplinary Digital Publishing Institute (MDPI)
1 publication, 11.11%
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- We do not take into account publications that without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Ortega J., Folcia C. L., Etxebarria J. Laser emission at the second-order photonic band gap in an electric-field-distorted cholesteric liquid crystal // Liquid Crystals. 2019. Vol. 46. No. 15. pp. 2159-2166.
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Ortega J., Folcia C. L., Etxebarria J. Laser emission at the second-order photonic band gap in an electric-field-distorted cholesteric liquid crystal // Liquid Crystals. 2019. Vol. 46. No. 15. pp. 2159-2166.
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TY - JOUR
DO - 10.1080/02678292.2019.1613694
UR - https://doi.org/10.1080%2F02678292.2019.1613694
TI - Laser emission at the second-order photonic band gap in an electric-field-distorted cholesteric liquid crystal
T2 - Liquid Crystals
AU - Ortega, J
AU - Folcia, C. L.
AU - Etxebarria, Jesus
PY - 2019
DA - 2019/05/13 00:00:00
PB - Taylor & Francis
SP - 2159-2166
IS - 15
VL - 46
SN - 0267-8292
SN - 1366-5855
ER -
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@article{2019_Ortega,
author = {J Ortega and C. L. Folcia and Jesus Etxebarria},
title = {Laser emission at the second-order photonic band gap in an electric-field-distorted cholesteric liquid crystal},
journal = {Liquid Crystals},
year = {2019},
volume = {46},
publisher = {Taylor & Francis},
month = {may},
url = {https://doi.org/10.1080%2F02678292.2019.1613694},
number = {15},
pages = {2159--2166},
doi = {10.1080/02678292.2019.1613694}
}
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Ortega, J., et al. “Laser emission at the second-order photonic band gap in an electric-field-distorted cholesteric liquid crystal.” Liquid Crystals, vol. 46, no. 15, May. 2019, pp. 2159-2166. https://doi.org/10.1080%2F02678292.2019.1613694.