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

6533b7d5fe1ef96bd1264329

RESEARCH PRODUCT

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

Navarro-arenas Juan Suárez Isaac Martínez-pastor Juan P Ferrando Albert Gualdrón-reyes Andrés F Mora-seró Iván Gao Shou-fei Wang Ying-ying Wang Pu Sun Zhipei

subject

perovskite nanocrystals signal regeneration/amplification nonlinear optical properties hollow core fibers Article

description

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.

year	journal	country	edition	language
2019-05-16	Nanomaterials (Basel, Switzerland)

10.3390/nano9060868 https://pubmed.ncbi.nlm.nih.gov/31181630

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