Q-switched erbium doped fiber laser based on single and multiple walled carbon nanotubes embedded in polyethylene oxide film as saturable absorber

Ahmed, M.H.M.; Ali, Nadir; Salleh, Zabidin; Rahman, A.; Harun, Sulaiman Wadi; Manaf, Mazani; Arof, Hamzah

doi:10.1016/j.optlastec.2014.07.001

Cited by 47 publications

(14 citation statements)

References 14 publications

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“…Er-doped fibre lasers with CNT can also be passively Q-switched, providing a comparatively high level of output pulse energy (up to 531 nJ) [237] at shorter pulse durations of 662 ns [238].…”

Section: Er-doped Fibre Lasersmentioning

confidence: 99%

Carbon nanotubes for ultrafast fibre lasers

et al. 2016

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Carbon nanotubes (CNTs) possess both remarkable optical properties and high potential for integration in various photonic devices. We overview, here, recent progress in CNT applications in fibre optics putting particular emphasis on fibre lasers. We discuss fabrication and characterisation of different CNTs, development of CNTbased saturable absorbers (CNT-SA), their integration and operation in fibre laser cavities putting emphasis on stateof-the-art fibre lasers, mode locked using CNT-SA. We discuss new design concepts of high-performance ultrafast operation fibre lasers covering ytterbium (Yb), bismuth (Bi), erbium (Er), thulium (Tm) and holmium (Ho)-doped fibre lasers.

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Section: Er-doped Fibre Lasersmentioning

confidence: 99%

Carbon nanotubes for ultrafast fibre lasers

et al. 2016

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“…Up to now, CNT-SA-based passively Q-switched fiber lasers can produce pulse energies over 100 nJ [53,71,[93][94][95] and even up to 1.7 μJ in Tm-doped fiber laser using a "Yin-Yang" all-fiber cavity [69], pulse durations from μs to ∼300 ns [96,97], and repetition rate up to 178 kHz [53]. Wavelength tunability can be endowed by using the tunable band pass filters [98][99][100] or gratings [71] in the related spectral regions.…”

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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“…Single-mode fiber (SMF) lasers have brought a huge impact on fundamental researches and practical applications due to their inherent advantages of cost-effectiveness, compact structure, excellent beam quality, and high reliability [1]- [3]. These fiber lasers can be categorized as continuous-wave (CW) [4], Q-switched [5], [6], and mode-locked fiber lasers [7], [8] in the temporal domain. Among them, mode-locked SMF lasers are capable of generating picosecond or femtosecond pulses, providing an excellent platform to study the dynamic evolution of nonlinear optical waves [9], [10].…”

Section: Introductionmentioning

confidence: 99%

Formation and Evolution of Soliton in Two-Mode Fiber Laser

Zheng

Mao

et al. 2020

IEEE Photonics J.

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High-order mode fiber lasers are gathering the rising attentions from fundamental researches to practical applications due to their distinctive spatial and temporal properties. Here, we demonstrate a carbon nanotube mode-locked two-mode fiber laser and investigate the formation and evolution process of the soliton based on the time-stretch dispersive Fourier transform method. Stable single pulse and bound-state pulses are observed at pump powers of 32.0 and 41.3 mW, respectively. Attributing to the coexistence of fundamental mode and first group high-order modes, the optical spectrum exhibits slight intensity modulations and the autocorrelation trace shows additional small side lobes. Similar to that of single-mode fiber lasers, the buildup process of soliton includes the relaxation oscillation, beating behavior, and stable mode-locking state. However, owing to the interplay between two transverse modes in the two-mode fiber laser, the duration and fluctuation intensity of the relaxation oscillation are much larger than that of single-mode fiber lasers.

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Q-switched erbium doped fiber laser based on single and multiple walled carbon nanotubes embedded in polyethylene oxide film as saturable absorber

Cited by 47 publications

References 14 publications

Carbon nanotubes for ultrafast fibre lasers

Carbon nanotubes for ultrafast fibre lasers

Dynamics of carbon nanotube-based mode-locking fiber lasers

Formation and Evolution of Soliton in Two-Mode Fiber Laser

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