Facile active control of a pulsed erbium-doped fiber laser using modulation depth tunable carbon nanotubes

Xu, Xintong; Ruan, Shuangchen; Zhai, Jianpang; Li, Ling; Pei, Jihong; Tang, Zikang

doi:10.1364/prj.6.000996

Cited by 19 publications

(7 citation statements)

References 38 publications

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“…This shows that the MoTe 2 -assisted fiber taper is a very good SA with pulse-shaping function, which is suitable for the study of bound solitons. However, as we know, a variety of lasers based on carbon nanotubes [ 36 , 37 ], graphene [ 38 , 39 , 40 ], topological insulators [ 41 ] and black phosphorus [ 44 ] can generate bound solitons, which suggests that the appearance of bound solitons is not related to specific materials but a common nonlinear optical phenomenon widely existing in lasers. In this experiment, more bound solitons are obtained due to the fabrication of high-quality fiber taper, which not only provide good mode locking, but also produce high nonlinearity.…”

Section: Resultsmentioning

confidence: 99%

“…So far, there are mainly two kinds of pulse-shaping technologies, active and passive. Compared with the active scheme [ 20 ], the passive scheme, including nonlinear polarization rotation [ 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 ], nonlinear amplifying ring mirror [ 31 , 32 , 33 ], nonlinear multimode interference [ 34 ], stimulated Raman scattering [ 35 ] and saturable absorber [ 36 , 37 , 38 , 39 ], is considered to be a more promising and efficient way to achieve pulse shaping and obtain bound solitons. It should be noted that most of the bound solitons mentioned above are composed of two pulses.…”

Section: Introductionmentioning

confidence: 99%

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Multi-Pulse Bound Soliton Fiber Laser Based on MoTe2 Saturable Absorber

Guo

Zhou

et al. 2022

Nanomaterials

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Bound solitons have become a hot topic in the field of nonlinear optics due to their potential applications in optical communication, information processing and radar systems. However, the trapping of the cascaded bound soliton is still a major challenge up to now. Here, we propose and experimentally demonstrate a multi-pulse bound soliton fiber laser based on MoTe2 saturable absorber. In the experiment, MoTe2 nanosheets were synthesized by chemical vapor deposition and transferred to the fiber taper by optical deposition. Then, by inserting the MoTe2 saturable absorber into a ring cavity laser, the two-pulse, three-pulse and four-pulse bound solitons can be stably generated by properly adjusting the pump strength and polarization state. These cascaded bound solitons are expected to be applied to all-optical communication and bring new ideas to the study of soliton lasers.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Multi-Pulse Bound Soliton Fiber Laser Based on MoTe2 Saturable Absorber

Guo

Zhou

et al. 2022

Nanomaterials

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“…made a new breakthrough that they obtained a CNTs‐SA with tunable modulation depth instead of one specific operation state. [ 114 ] Therefore, in their experiment, the adjustment of a polarization controller can lead to the generation of both Q‐switched and mode‐locked pulses. In the same year, Huang et al.…”

Section: Applications Of Nanomaterials In Ultrafast Lasersmentioning

confidence: 99%

Integration and Applications of Nanomaterials for Ultrafast Photonics

Zhao

Jin

Liu

et al. 2022

Laser & Photonics Reviews

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Nanomaterials with remarkable optical, mechanical, and electrical properties have shed new light on various fields including optoelectronics, sensors, biomedicine, and ultrafast photonics. Particularly, owing to their nonlinear optical properties, fast recovery time, and broadband operation, nanomaterials are well qualified as saturable absorbers in ultrafast pulsed lasers. Over the development of the past decades, various nanomaterials have been developed as saturable absorbers, which contribute to a diversity of lasers with excellent performance. Therefore, it is important for researchers to provide a landmark of the applications of nanomaterials in ultrafast photonics concerning cutting‐edge development. Herein, the integration and applications of nanomaterials in ultrafast photonics are reviewed. First, end‐face, lateral, as well as photonic crystal fibers padding integration methods are introduced along with their process and characteristics. Then the ultrafast applications of nanomaterials including carbon‐based (carbon nanotubes and graphene), typical 2D (topological insulators, transition metal dichalcogenides, black phosphorus, and MXenes), and metal‐based nanomaterials (gold, silver, copper, and metal oxides) are summarized. Major parameters of ultrafast lasers and features of each nanomaterial are presented simultaneously. Finally, the perspectives of nanomaterials for further development in ultrafast photonics are discussed.

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“…A similar dual-regime operation was also reported by Li et al in 2014 [67], the transitioning from mode-locking to Q-switching at high pump power was explained by the optical limiting effect of the CNT-SA due to the variation of nonlinear transmission. Active control of the operation regimes can also be achieved by employing a fast Si-based variable optical attenuator [72] and by adjusting polarization controller in front of the specially fabricated polarization dependent CNT-SA, where the CNT-SA is implemented by synthesizing well-aligned CNT arrays using zeolite AlPO4-5 as a mask [68,92].…”

Section: Cnt-based Q-switched Fiber Lasermentioning

confidence: 99%

Dynamics of carbon nanotube-based mode-locking fiber lasers

2020

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AbstractCarbon nanotube (CNT) can work as excellent saturable absorber (SA) due to its advantages of fast recovery, low saturation intensity, polarization insensitivity, deep modulation depth, broad operation bandwidth, outstanding environmental stability, and affordable fabrication. Its successful application as SA has promoted the development of scientific research and practical application of mode-locked fiber lasers. Besides, mode-locked fiber laser constitutes an ideal platform for investigating soliton dynamics which exhibit profound nonlinear optical dynamics and excitation ubiquitous in many fields. Up to now, a variety of soliton dynamics have been observed. Among these researches, CNT-SA is a key component that suppresses the environmental perturbation and optimizes the laser system to reveal the true highly stochastic and non-repetitive unstable phenomena of the initial self-starting lasing process. This review is intended to provide an up-to-date introduction to the development of CNT-SA based ultrafast fiber lasers, with emphasis on recent progress in real-time buildup dynamics of solitons in CNT-SA mode-locked fiber lasers. It is anticipated that study of dynamics of solitons can not only further reveal the physical nature of solitons, but also optimize the performance of ultrafast fiber lasers and eventually expand their applications in different fields.

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Facile active control of a pulsed erbium-doped fiber laser using modulation depth tunable carbon nanotubes

Cited by 19 publications

References 38 publications

Multi-Pulse Bound Soliton Fiber Laser Based on MoTe2 Saturable Absorber

Multi-Pulse Bound Soliton Fiber Laser Based on MoTe2 Saturable Absorber

Integration and Applications of Nanomaterials for Ultrafast Photonics

Dynamics of carbon nanotube-based mode-locking fiber lasers

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