Noise-like pulse generation from a thulium-doped fiber laser using nonlinear polarization rotation with different net anomalous dispersion

Liu, Shuo; Yan, Fengping; Li, Yang; Zhang, Luna; Bai, Zhuoya; Zhou, Hong; Hou, Yafei

doi:10.1364/prj.4.000318

Cited by 59 publications

(14 citation statements)

References 23 publications

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“…Such peculiar pulse regime has been first reported in details from the MLFL experiment in 1997, 108 which is then called NLPs. NLPs have been found in the fiber lasers based on the multiple mode-locking mechanisms 96,[109][110][111][112][113][114] and, therefore, are characterized with universality. In other words, NLP generation is quite generic dynamics for partially modelocked lasers that emit pulse packets of optical noise burst with the fundamental frequency or the harmonics.…”

Section: Rogue Waves Generated By Soliton Interactionmentioning

confidence: 99%

Recent progress on optical rogue waves in fiber lasers: status, challenges, and perspectives

Song

Wang

et al. 2020

Adv. Photon.

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Rogue waves (RWs) are rare, extreme amplitude, localized wave packets, which have received much interest recently in different areas of physics. Fiber lasers with their abundant nonlinear dynamics provide an ideal platform to observe optical RW formation. We review recent research progress on rogue waves in fiber lasers. Basic concepts of RWs and the mechanisms of RW generation in fiber lasers are discussed, along with representative experimental and theoretical results. The measurement methods for RW identification in fiber lasers are presented and analyzed. Finally, prospects for future RW research in fiber lasers are summarized.

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Section: Rogue Waves Generated By Soliton Interactionmentioning

confidence: 99%

Recent progress on optical rogue waves in fiber lasers: status, challenges, and perspectives

Song

Wang

et al. 2020

Adv. Photon.

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“…5(b). Apparently, the trace shows a coherent peak on top of the background level, manifesting a classic signature of the noise-like pulse [30], [31]. The inset of Fig.…”

Section: Resultsmentioning

confidence: 89%

High Energy Noise-Like Pulse Generation from a Mode-Locked Thulium-Doped Fiber Laser at 1.7 μm

Kong

Wong

2019

IEEE Photonics J.

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Thulium-doped fiber laser (TDFL) is a versatile platform that can be engineered to produce laser sources with desired performance that target a vast number of applications, however its operation in the 1.7-μm region is still underdeveloped owing to the quasithree-level nature of TDF emission. In this paper, we report a high energy noise-like pulse generation from a nonlinear polarization rotation (NPR) mode-locked TDFL. By using highly efficient core-pumping at 1650 nm and intra-cavity filtering component, stable mode-locking operation at 1750 nm is realized at a pump threshold of 1.5 W. With increasing the pump power to 5 W, the pulse width is stretched from 0.8 ns to 3.7 ns, while the monitored output power is linearly increased from 50 mW to 251 mW, corresponding to a maximum pulse energy of 321 nJ at the pulse repetition rate of 782 kHz. The long-term and shot-to-shot stability of the output are characterized to be 0.11 dB and 2.8% respectively. Noise-like pulse operation of the laser is confirmed by measuring the autocorrelation trace, which demonstrates a coherent peak on top of a wide pedestal. To the best of our knowledge, this is the first demonstration of high energy noise-like pulse generation from a TDFL at 1.7-μm band, enabling potential applications in for example spectroscopic analysis and material processing.

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“…4 is not the effect of dispersion, but it is caused by the increase of a NLP pulse energy, for the same pumping power, due to lower repetition rate (resulted from the longer cavity). The effect of different net anomalous dispersions on the NLP generation has been investigated before in the TDFL mode-locked by NPR; however, no dependence between spectral width, central wavelength, and the additional fiber length was noticed [21]. The broadest spectrum (23.2 nm) and the shortest autocorrelation spike (0.626 ps) were measured for the shortest additional single mode fiber (SMF) length of 10 m; however, for the 200-m-long SMF the optical spectrum was broader (20.47 m) than that for the 20-m-long (18.56 m).…”

Section: Resultsmentioning

confidence: 99%

Noise-Like Pulse Generation Using Polarization Maintaining Mode-Locked Thulium-Doped Fiber Laser With Nonlinear Amplifying Loop Mirror

Michalska

Świderski

2019

IEEE Photonics J.

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We investigate noise-like pulse (NLP) generation in a mode-locked thuliumdoped fiber laser with nonlinear amplifying loop mirror (NALM) and different net anomalous dispersions. The all-polarization maintaining (PM) fiber oscillator generates pulse trains with a frequency adjustable in the range of 4.06-20.4 MHz by utilizing different lengths of PM passive fiber in the NALM loop. An NLP with a coherence spike width of 232 fs was generated at 1993.6 nm with a 3-dB spectral width of 32.6 nm when the net cavity dispersion was −0.711 ps 2 .

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Noise-like pulse generation from a thulium-doped fiber laser using nonlinear polarization rotation with different net anomalous dispersion

Cited by 59 publications

References 23 publications

Recent progress on optical rogue waves in fiber lasers: status, challenges, and perspectives

Recent progress on optical rogue waves in fiber lasers: status, challenges, and perspectives

High Energy Noise-Like Pulse Generation from a Mode-Locked Thulium-Doped Fiber Laser at 1.7 μm

Noise-Like Pulse Generation Using Polarization Maintaining Mode-Locked Thulium-Doped Fiber Laser With Nonlinear Amplifying Loop Mirror

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