Optical Amplification in Hollow-Core Negative-Curvature Fibers Doped with Perovskite CsPbBr<sub>3</sub> Nanocrystals

Juan Navarro-Arenas; Isaac Suárez; Juan  P. Martínez-Pastor; Albert Ferrando; Andrés  F. Gualdrón-Reyes; Iván Mora-Seró; Shou-Fei Gao; Ying-Ying Wang; Pu Wang; Zhipei Sun

doi:10.3390/nano9060868

Nanomaterials (Jun 2019)

Optical Amplification in Hollow-Core Negative-Curvature Fibers Doped with Perovskite CsPbBr<sub>3</sub> Nanocrystals

Juan Navarro-Arenas,
Isaac Suárez,
Juan P. Martínez-Pastor,
Albert Ferrando,
Andrés F. Gualdrón-Reyes,
Iván Mora-Seró,
Shou-Fei Gao,
Ying-Ying Wang,
Pu Wang,
Zhipei Sun

Affiliations

Juan Navarro-Arenas: Instituto de Ciencia de Materiales (ICMUV), Universidad de Valencia, C/Catedrático José Beltrán, 2, E-46980 Paterna, Spain
Isaac Suárez: Instituto de Ciencia de Materiales (ICMUV), Universidad de Valencia, C/Catedrático José Beltrán, 2, E-46980 Paterna, Spain
Juan P. Martínez-Pastor: Instituto de Ciencia de Materiales (ICMUV), Universidad de Valencia, C/Catedrático José Beltrán, 2, E-46980 Paterna, Spain
Albert Ferrando: Departament d’Òptica i Optometria i Ciències de la Visió, Universitat de València, Dr Moliner, 50, 46100 Burjassot, Valencia, Spain
Andrés F. Gualdrón-Reyes: Institute of Advanced Materials (INAM), University Jaume I, Avenida de Vicent Sos Baynat, s/n, 12006 Castelló de la Plana, Castellón, Spain
Iván Mora-Seró: Institute of Advanced Materials (INAM), University Jaume I, Avenida de Vicent Sos Baynat, s/n, 12006 Castelló de la Plana, Castellón, Spain
Shou-Fei Gao: Beijing Engineering Research Centre of Laser Technology, Institute of Laser Engineering, Beijing University of Technology, 100124 Beijing, China
Ying-Ying Wang: Beijing Engineering Research Centre of Laser Technology, Institute of Laser Engineering, Beijing University of Technology, 100124 Beijing, China
Pu Wang: Beijing Engineering Research Centre of Laser Technology, Institute of Laser Engineering, Beijing University of Technology, 100124 Beijing, China
Zhipei Sun: Department of Electronics and Nanoengineering, Aalto University, Tietotie 3, 02150 Espoo, Finland

DOI: https://doi.org/10.3390/nano9060868
Journal volume & issue: Vol. 9, no. 6
p. 868

Abstract

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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.

Published in Nanomaterials

ISSN: 2079-4991 (Online)
Publisher: MDPI AG
Country of publisher: Switzerland
LCC subjects: Science: Chemistry
Website: https://www.mdpi.com/journal/nanomaterials

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