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作者

Sun, Xiaolan Zhao, Wei Liu, Liyuan Shen, Di Liu, Guangyao Kost, Alan R.

作者单位

Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai Institute for Advanced Communication and Data Science, School of Communication and Information Engineering, Shanghai University, 200444, Shanghai, People’s Republic of China School of Chemistry and Pharmaceutical Engineering, Taishan Medical University, 271000, Taishan, Shandong, People’s Republic of China College of Optical Sciences, University of Arizona, 85721-0094, Tucson, AZ, USA

刊名

Optical & Quantum Electronics

年份

2018

卷号

Vol.50 No.4

页码

1

ISSN

0306-8919

关键词

Environmental stability Fiber amplifier Fluorine-containing polymer Multifunction copolymers Quantum dot

摘要

A PbS quantum dot optical fiber amplifier with enhanced processability and environmental stability is described. Modification of PbS quantum dots with multifunction copolymers was demonstrated via spectroscopy to aid dispersion of the quantum dots in a sol during the fabrication of a quantum dot optical fiber amplifier without degradation or modification of optical properties. The influence of multifunction copolymers and oleylamine-coated PbS quantum dots on the structure was studied via scanni...更多

A PbS quantum dot optical fiber amplifier with enhanced processability and environmental stability is described. Modification of PbS quantum dots with multifunction copolymers was demonstrated via spectroscopy to aid dispersion of the quantum dots in a sol during the fabrication of a quantum dot optical fiber amplifier without degradation or modification of optical properties. The influence of multifunction copolymers and oleylamine-coated PbS quantum dots on the structure was studied via scanning electron microscopy. The nanoparticle shape of oleylamine-coated PbS quantum dots after polymer modification remained unchanged compared to those previously reported. With the addition of a fluorine-containing component, a PbS quantum dot optical fiber amplifier retained 96% of its initial gain after 100 days, as compared with 16% for quantum dots modified with a non-fluorine-containing polymer, it was certain that fluorine bond of multifunction copolymers had a good improvement in durability of PbS quantum dot. Simultaneously, PbS quantum dot optical amplifier gain as high as 17 dB was achieved at 1550 nm.收起

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