Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 34, Issue 21, Pages 1183-1186Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2022.3201024
Keywords
Raman soliton; tunable; soliton self-frequency shift; fluorotellurite
Funding
- National Natural Science Foundation of China [U20A20210, 62005040, 61421002]
- Fundamental Research Funds for the Central Universities [ZYGX2021YGCX014, ZYGX2019Z012, ZYGX2020KYQD003]
- Science and Technology Project of Sichuan Province [21YYJC2977]
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We present tunable mid-infrared Raman soliton generation from 2.80 to 3.17 μm based on fluorotellurite fiber. The experimental results indicate that fluorotellurite fibers are superior nonlinear media for the generation of tunable mid-infrared ultrashort pulses.
Tunable mid-infrared Raman soliton generation from 2.80 to 3.17 mu m based on fluorotellurite fiber is presented. The seed is a femtosecond mode-locked Er3+-doped ZBLAN fiber oscillator at 2.8 mu m. Feeding the pulses to an Er3+-doped ZBLAN fiber amplifier, the pulse average power can be boosted to 773 mW with the self-compressed width of 100 fs (estimated). Subsequently, launching the amplified pulses into an in-house high-nonlinearity fluorotellurite fiber, the pulses can be mostly red-shifted to 3.17 mu m with a conversion efficiency of 26% and an average power of 39 mW. The experimental results indicate that fluorotellurite fibers are superior nonlinear media for generation of tunable mid-infrared ultrashort pulses.
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