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摘要:
Femtosecond pulses in the 2-2.4 mu m spectral region have potential applications in many fields, such as two-photon fluorescence imaging, sensitive molecular spectroscopy, and nonlinear laser system. As the energy is proportional to the square of the soliton order, the high-energy soliton pulse can be achieved by promoting the soliton order during the soliton splitting and soliton self-frequency shifting processes. We demonstrated high-energy Raman solitons with wavelengths tunable from 1.96 to 2.39 mu m in a thulium-doped silica fiber amplifier. The maximum pulse energy of the soliton was about 65.1-nJ with the corresponding wavelength of 2.39 mu m, which, to our knowledge, was the farthest and the highest energy soliton pulse generated in commercial single-mode silica fiber.
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来源 :
IEEE PHOTONICS TECHNOLOGY LETTERS
ISSN: 1041-1135
年份: 2023
期: 7
卷: 35
页码: 361-364
2 . 6 0 0
JCR@2022
ESI学科: PHYSICS;
ESI高被引阀值:17
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