Next Article in Journal
Understanding of Nanophase Separation and Hydrophilic Morphology in Nafion and SPEEK Membranes: A Combined Experimental and Theoretical Studies
Previous Article in Journal
Composite Membranes Derived from Cellulose and Lignin Sulfonate for Selective Separations and Antifouling Aspects
Open AccessArticle

Optical Amplification in Hollow-Core Negative-Curvature Fibers Doped with Perovskite CsPbBr3 Nanocrystals

1
Instituto de Ciencia de Materiales (ICMUV), Universidad de Valencia, C/Catedrático José Beltrán, 2, E-46980 Paterna, Spain
2
Escuela de Ingenieros de Telecomunicación, Universidad Rey Juan Carlos, Camino del Molino s/n E 28942 Fuenlabrada, Spain
3
Departament d’Òptica i Optometria i Ciències de la Visió, Universitat de València, Dr Moliner, 50, 46100 Burjassot, Valencia, Spain
4
Institute of Advanced Materials (INAM), University Jaume I, Avenida de Vicent Sos Baynat, s/n, 12006 Castelló de la Plana, Castellón, Spain
5
Biofuels Lab-IBEAR, Faculty of Basic Sciences, University of Pamplona, 543050 Pamplona, Colombia
6
Beijing Engineering Research Centre of Laser Technology, Institute of Laser Engineering, Beijing University of Technology, 100124 Beijing, China
7
Department of Electronics and Nanoengineering, Aalto University, Tietotie 3, 02150 Espoo, Finland
8
QTF Centre of Excellence, Department of Applied Physics, Aalto University, FI-00076 Aalto, Finland
*
Authors to whom correspondence should be addressed.
Nanomaterials 2019, 9(6), 868; https://doi.org/10.3390/nano9060868
Received: 16 May 2019 / Revised: 2 June 2019 / Accepted: 3 June 2019 / Published: 7 June 2019
We report a hollow-core negative-curvature fiber (HC-NCF) optical signal amplifier fabricated by the filling of the air microchannels of the fiber with all-inorganic CsPbBr3 perovskite nanocrystals (PNCs). The optimum fabrication conditions were found to enhance the optical gain, up to +3 dB in the best device. Experimental results were approximately reproduced by a gain assisted mechanism based on the nonlinear optical properties of the PNCs, indicating that signal regeneration can be achieved under low pump powers, much below the threshold of stimulated emission. The results can pave the road for new functionalities of the HC-NCF with PNCs, such as optical amplification, nonlinear frequency conversion and gas sensors. View Full-Text
Keywords: hollow core fibers; perovskite nanocrystals; signal regeneration/amplification; nonlinear optical properties hollow core fibers; perovskite nanocrystals; signal regeneration/amplification; nonlinear optical properties
Show Figures

Graphical abstract

MDPI and ACS Style

Navarro-Arenas, J.; Suárez, I.; Martínez-Pastor, J.P.; Ferrando, A.; Gualdrón-Reyes, A.F.; Mora-Seró, I.; Gao, S.-F.; Wang, Y.-Y.; Wang, P.; Sun, Z. Optical Amplification in Hollow-Core Negative-Curvature Fibers Doped with Perovskite CsPbBr3 Nanocrystals. Nanomaterials 2019, 9, 868.

Show more citation formats Show less citations formats
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

1
Back to TopTop