Optimization of Inversion Probability Tunable Sequence Phase Modulation for SBS Suppression in Fiber System Article Swipe
Qianhe Shao
,
Yifeng Yang
,
He Wang
,
Haojie Xia
,
Jiaming Ma
,
C. Qian
,
Junqing Meng
·
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1109/jphot.2025.3532907
YOU?
·
· 2025
· Open Access
·
· DOI: https://doi.org/10.1109/jphot.2025.3532907
Phase modulation optical spectral broadening has been widely used as an effective stimulated Brillouin scattering suppressing scheme in narrow linewidth fiber amplifiers. In particular, tunable inversion probability sequence (p-tunable sequence) phase modulation effectively optimizes the spectral envelope, improving the SBS threshold in a monolithic narrow linewidth fiber amplifier. This paper theoretically and experimentally investigates the SBS suppression capability of p-tunable phase modulation. Firstly, we introduce a theoretical model to illustrate, for the first time, the temporal and spectral properties of light waves that have been phase-modulated by a p-tunable sequence. An optimization scheme for parameter selection of p-tunable sequence phase modulation is established by calculating the SBS threshold. Meanwhile, we establish a three-stage fiber amplifier system with p-tunable phase modulation to verify our theory. The output power is 2390 W with an FWHM optical linewidth of 10 GHz. Compared to the pseudo-random binary sequence (PRBS) case, this scheme increases the output power by 700 W at 10 GHz FWHM optical linewidth.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1109/jphot.2025.3532907
- OA Status
- gold
- References
- 36
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4406755230
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https://openalex.org/W4406755230Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1109/jphot.2025.3532907Digital Object Identifier
- Title
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Optimization of Inversion Probability Tunable Sequence Phase Modulation for SBS Suppression in Fiber SystemWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2025Year of publication
- Publication date
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2025-01-23Full publication date if available
- Authors
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Qianhe Shao, Yifeng Yang, He Wang, Haojie Xia, Jiaming Ma, C. Qian, Junqing MengList of authors in order
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https://doi.org/10.1109/jphot.2025.3532907Publisher landing page
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YesWhether a free full text is available
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goldOpen access status per OpenAlex
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https://doi.org/10.1109/jphot.2025.3532907Direct OA link when available
- Concepts
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Phase modulation, Materials science, Optical fiber, Modulation (music), Fiber, Computer science, Optoelectronics, Optics, Physics, Phase noise, Acoustics, Composite materialTop concepts (fields/topics) attached by OpenAlex
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0Total citation count in OpenAlex
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10Other works algorithmically related by OpenAlex
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