Tunable high energy giant chirped passively mode-locked Yb-doped fiber laser

Zhu, Xiaojun; Wang, C. H.; Liu, S. X.; Zhang, G. J.; Hu, Dongming; Zhu, Cheng; Wang, J. J.; Fang, Erxi

doi:10.1134/s1054660x11150369

Cited by 9 publications

(3 citation statements)

References 25 publications

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“…Tunable ranges of 1024-1070 nm, 1015-1050 nm, and 1032-1052 nm were obtained by use of tunable intra-cavity filters, i.e., birefringent filter, tilting interference filter, and hibi-fiber sagnac loop filter, respectively. Tunable ANDi laser with giant chirped pulse output was also obtained by long period fiber grating filter and the tunable spectral range was 1028-1039 nm [8]. The wavelength tunable range and bandwidth of above lasers are different.…”

Section: Introductionmentioning

confidence: 98%

Experimental Investigation of the Wavelength Tunability in All-Normal-Dispersion Ytterbium-Doped Mode-Locked Fiber Lasers

Xiao

Hua

et al. 2013

IEEE Photonics J.

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The wavelength tunability of all-normal-dispersion (ANDi) ytterbium (Yb)-doped mode-locked fiber laser is experimentally investigated, where the laser is mode-locked by nonlinear polarization rotation and the wavelength is adjusted by an intracavity tunable filter. The influences of pump power, gain fiber length, and cavity length (i.e., repetition rate) on the mode-locking wavelength and output spectrum are investigated. It is found that the tunable range of mode-locking wavelength depends on the length of the Yb-doped fiber, as well as the cavity loss, and is independent of the cavity length. Mode-locking in a longer wavelength regime can be obtained by increasing the gain fiber length, although the length depends on the cavity loss. Moreover, the effects of pump power, central wavelength, Yb-doped fiber length, and cavity length on other output parameters are discussed. The variation range of pump power to keep the mode-locking status is also analyzed. We find that the pump power range for keeping the mode-locking status decreases, and the typical output pulsewidth increases dramatically as the repetition rate decreases. Guidelines for designingANDi Yb-doped mode-locked fiber lasers are proposed.

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Section: Introductionmentioning

confidence: 98%

Experimental Investigation of the Wavelength Tunability in All-Normal-Dispersion Ytterbium-Doped Mode-Locked Fiber Lasers

Xiao

Hua

et al. 2013

IEEE Photonics J.

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“…Passive mode locking is the introduction of a nonlinear effect device with a saturated absorption response to the light intensity in the cavity to saturate the absorber, and the use of nonlinear Kerr effect or saturable absorption effect to achieve phase lock between each longitudinal mode. Common passive mode-locking technologies include nonlinear polarization rotation (NPR) mode-clamping [6], semiconductor saturable absorber mirror (SESAM) mode-clamping [7], nonlinear optical (magnification) loop mirror (NOLM/NALM) mode-clamping [8], and hybrid mode-clamping technology based on the above three mode-clamping mechanisms. In order to achieve the mode-locked output of wavelength tuning and switching, it is usually necessary to add tuning optical components [9][10][11][12] in the resonant cavity, such as wavelength selectors, tunable filters, polarization maintaining fibers, fiber gratings, etc., and can also introduce dispersive media in the cavity to increase the dispersion in the cavity and achieve wavelength tuning.…”

Section: Introductionmentioning

confidence: 99%

All polarization-maintaining wavelength tunable mode-locked ytterbium-doped fiber laser

Zhang

Wang

Zhou

2023

International Conference on Optoelectronic Information and Functional Materials (OIFM 2023)

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Ultrashort pulse lasers have the characteristics of narrow output pulse width, high peak power and wide spectrum, and are widely used in precision manufacturing, biomedical, quantum communication, national defense and military. In actual production and life, the wavelength tuning and switching of mode-locked fiber lasers have important applications. In this paper, we demonstrate a wavelength-tunable mode-locked fiber laser, which is a mode-locked ytterbium fiber laser working at 10.84MHz, and achieves wavelength-tuned output in the range of 1017~1029nm by adding tunable devices. This tunable and short pulse all-fiber laser has the advantages of simple structure, easy tuning, and good stability, and has a wide range of application prospects.

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“…In 2007, A. Chong et al reported a mode-locked all-normal-dispersion giant chirped passively fiber laser system [11], in which the energy of the DSs is above 20nJ. Various ANDi systems such as switchable dual-wavelength laser system [12], tunable high energy giant chirped passively mode-locked fiber laser [13] have also been reported in recently years. In an ANDi system, multi pulses have been observed in the cavity when the pump power is increased to a certain level.…”

Section: Introductionmentioning

confidence: 99%

Generation of Multi-pulse Dissipative Solitons in a Mode-Locked Yb-Doped Fiber laser

Xu¹,

Zhu²,

Wang³

2016

Proceedings of the 2016 4th International Conference on Machinery, Materials and Computing Technology

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Abstract. We report on multi-pulse dissipative solitons generation in all-normal-dispersion (ANDi) long cavity Yb-doped fiber laser with a cascaded long-period fiber grating as a spectral filter. The mode-locking is based on nonlinear polarization evolution. It was found that through either changing the pump power or adjusting wave plates in the cavity, several characteristic modes have been experimentally observed, including disordered multi-pulses, bunch of pulses with equal time intervals and non-equal time intervals. The observed results of multi-pulse output suggest a method of multi-pulse generation for potential applications in micromachining, high-resolution ranging-finding and geological exploration.

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Tunable high energy giant chirped passively mode-locked Yb-doped fiber laser

Cited by 9 publications

References 25 publications

Experimental Investigation of the Wavelength Tunability in All-Normal-Dispersion Ytterbium-Doped Mode-Locked Fiber Lasers

Experimental Investigation of the Wavelength Tunability in All-Normal-Dispersion Ytterbium-Doped Mode-Locked Fiber Lasers

All polarization-maintaining wavelength tunable mode-locked ytterbium-doped fiber laser

Generation of Multi-pulse Dissipative Solitons in a Mode-Locked Yb-Doped Fiber laser

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