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| Format: | Preprint |
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2025
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| Online-Zugang: | https://arxiv.org/abs/2512.12741 |
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| _version_ | 1866917146544570368 |
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| author | Li, Chuangkai Ye, Feng Jin, Hong Liu, Xuanyi Fu, H. Y. Malomed, Boris A. Li, Qian |
| author_facet | Li, Chuangkai Ye, Feng Jin, Hong Liu, Xuanyi Fu, H. Y. Malomed, Boris A. Li, Qian |
| contents | We demonstrate a compact all-fiber nonlinear-polarization-evolution (NPE) fiber laser capable of outputting wavelength-manipulated multiple laser states in the C + L band. Leveraging the intracavity birefringence-induced filtering effect, without external spectral filters, the laser achieves wavelength-tunable conventional solitons (CSs) and soliton molecules (SMs) with a tuning range of 72.85 nm and 45.54 nm, respectively, by adjusting the polarization states and pump power. Furthermore, wavelength-switchable harmonic mode-locking (over 1 GHz) and dual-wavelength mode-locking can also be achieved in the C + L band. To the best of our knowledge, this is the first experimental realization of wavelength-manipulated multiple soliton states covering the C + L band in a single-fiber-laser oscillator. Two examples of digital multi-letter encoding and transmission are further demonstrated on this platform by means of pump-driven wavelength/soliton states switching. By enabling controllable multi-state solitons and broad spectral tunability within a compact architecture, our work provides a promising source for spectrally diverse and temporally stable pulsed light sources that hold significant promise for applications in microscopy, bioimaging, and LiDAR. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_12741 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Intracavity-birefringence-enabled soliton states and wavelength control in the (C + L)-band fiber lasers Li, Chuangkai Ye, Feng Jin, Hong Liu, Xuanyi Fu, H. Y. Malomed, Boris A. Li, Qian Optics Physics and Society We demonstrate a compact all-fiber nonlinear-polarization-evolution (NPE) fiber laser capable of outputting wavelength-manipulated multiple laser states in the C + L band. Leveraging the intracavity birefringence-induced filtering effect, without external spectral filters, the laser achieves wavelength-tunable conventional solitons (CSs) and soliton molecules (SMs) with a tuning range of 72.85 nm and 45.54 nm, respectively, by adjusting the polarization states and pump power. Furthermore, wavelength-switchable harmonic mode-locking (over 1 GHz) and dual-wavelength mode-locking can also be achieved in the C + L band. To the best of our knowledge, this is the first experimental realization of wavelength-manipulated multiple soliton states covering the C + L band in a single-fiber-laser oscillator. Two examples of digital multi-letter encoding and transmission are further demonstrated on this platform by means of pump-driven wavelength/soliton states switching. By enabling controllable multi-state solitons and broad spectral tunability within a compact architecture, our work provides a promising source for spectrally diverse and temporally stable pulsed light sources that hold significant promise for applications in microscopy, bioimaging, and LiDAR. |
| title | Intracavity-birefringence-enabled soliton states and wavelength control in the (C + L)-band fiber lasers |
| topic | Optics Physics and Society |
| url | https://arxiv.org/abs/2512.12741 |