Widely wavelength-tunable mid-infrared fluoride fiber lasers

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Abstract

We demonstrate widely wavelength-tunable continuous-wave (CW) and Q-switched Er3+-doped ZBLAN fluoride fiber lasers operating around 3 μm enabled by a volume Bragg grating (VBG). In the CW operation regime, a total wavelength tuning range of over 160-nm spanning from 2694 to 2854 nm has been achieved. For the Q-switched mode of operation, a slightly modified resonator configuration, incorporating a passive Q-switcher, topological insulator Bi2Te3 nanosheets, can produce stable pulse trains with a pulse width of 880 ns at a repetition rate of 81 kHz, while maintaining a wavelength tuning range of 62 nm from 2762 to 2824 nm through adjusting the VBG. In both operation regimes, the output spectral width is measured to be <;0.3 nm (full-width at half-maximum) over the whole tuning range. Our work both demonstrates the great wavelength-tuning potential of the Er3+ -doped fluoride fiber laser, and also paves a way for the development of a range of high-performance midinfrared laser sources.

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  • Widely wavelength-tunable mid-infrared fluoride fiber lasers

    Rights statement: © 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

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Details

Original languageEnglish
Article number0900507
Number of pages7
JournalIEEE Journal of Selected Topics in Quantum Electronics
Volume24
Issue number3
Early online date28 Jun 2017
DOIs
Publication statusE-pub ahead of print - 28 Jun 2017

Bibliographic note

© 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. Funding: European H2020 (MSCA-IF Grant 701493); National Natural Science Fund Foundation of China (61475102, 61505124 and 61505122, and 61605166); Science and Technology Planning Project of Guangdong Province (2016B050501005); and Educational Commission of Guangdong Province of China (2016KCXTD006).

    Keywords

  • fiber lasers, mid-infrared, Q-switched, topological insulator, wavelength tunable

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