Tunable multiwavelength mode-locked Tm/Ho-doped fiber laser based on a nonlinear amplified loop mirror

Jin, Xiaoxi; Wang, Xiong; Wang, Xiaolin; Zhang, Pu

doi:10.1364/ao.54.008260

Cited by 53 publications

(21 citation statements)

References 27 publications

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“…Despite the significant theoretical and applied interest, the existence, characteristics, and dynamics of soliton molecules have not yet been extensively studied at a wavelength beyond 1.5 μ m3031. Growing research interest in this topic3233 underscores its high potential for application in telecommunication, metrology, trapping and manipulation of atoms and nanoparticles and control of magnetisation. However, achieving high flexibility in generation and control of the bound-state dynamics remain challenging to meet the requirements of these applications.…”

mentioning

confidence: 99%

Double-Wall Carbon Nanotube Hybrid Mode-Locker in Tm-doped Fibre Laser: A Novel Mechanism for Robust Bound-State Solitons Generation

Chernysheva

Bednyakova

Araimi

et al. 2017

Sci Rep

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The complex nonlinear dynamics of mode-locked fibre lasers, including a broad variety of dissipative structures and self-organization effects, have drawn significant research interest. Around the 2 μm band, conventional saturable absorbers (SAs) possess small modulation depth and slow relaxation time and, therefore, are incapable of ensuring complex inter-pulse dynamics and bound-state soliton generation. We present observation of multi-soliton complex generation in mode-locked thulium (Tm)-doped fibre laser, using double-wall carbon nanotubes (DWNT-SA) and nonlinear polarisation evolution (NPE). The rigid structure of DWNTs ensures high modulation depth (64%), fast relaxation (1.25 ps) and high thermal damage threshold. This enables formation of 560-fs soliton pulses; two-soliton bound-state with 560 fs pulse duration and 1.37 ps separation; and singlet+doublet soliton structures with 1.8 ps duration and 6 ps separation. Numerical simulations based on the vectorial nonlinear Schr¨odinger equation demonstrate a transition from single-pulse to two-soliton bound-states generation. The results imply that DWNTs are an excellent SA for the formation of steady single- and multi-soliton structures around 2 μm region, which could not be supported by single-wall carbon nanotubes (SWNTs). The combination of the potential bandwidth resource around 2 μm with the soliton molecule concept for encoding two bits of data per clock period opens exciting opportunities for data-carrying capacity enhancement.

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mentioning

confidence: 99%

Double-Wall Carbon Nanotube Hybrid Mode-Locker in Tm-doped Fibre Laser: A Novel Mechanism for Robust Bound-State Solitons Generation

Chernysheva

Bednyakova

Araimi

et al. 2017

Sci Rep

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“…A dual-wavelength CW lasing indicating the FSR, at 1842 nm and 2006 nm, was observed when the laser was operated below pump power of the mode-locking threshold. The effective birefringence of the fiber is calculated as 2.87×10 BÄ , which approximates well with the reported experimental birefringence of 3.17×10 BÄ and corresponding an FSR of 154 nm[40].…”

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confidence: 86%

Ultrafast mid-IR fiber laser

Luo¹

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“…However, in most cases, the free spectrum range (FSR) of these devices are relatively narrow, which makes them unsuitable for mode-locked lasers which typically operates with a broad output spectrum. In order to generate multi-wavelength outputs in a mode-locking laser, many researchers combined a comb filter together with mode-locking techniques such as nonlinear polarization rotator (NPR), nonlinear optical loop mirror (NOLM) and nonlinear amplification loop mirror (NALM) [11][12][13][14][15][16][17]. Because of gain competition between each of these multi-wavelength lasing modes, together with the delicate condition of the mode-locking techniques, it is not easy to satisfy these conditions for stable operation.…”

Section: Introductionmentioning

confidence: 99%

All-Fiber Dual-Wavelength Mode-Locked Laser Using a Bend-Induced-Birefringence Lyot-Filter as Gain-Tilt Equalizer

et al. 2019

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Multi-wavelength fiber lasers have emerged as a promising light source for the application in wavelength division multiplexing communication, terahertz wave generation and optical sensing due to high efficiency and robustness. Lyot-filter emerges as a potential device for multi-wavelength generation application. However, because of the high birefringence of polarization maintaining fiber in Lyotfilter, it is difficult to generate broadband dual-wavelength or multi-wavelength mode-locked fiber laser by using common Lyot-filter. In this paper, for the first time, we propose an idea of using the low birefringence induced by bending the single-mode fiber to form a Lyotfilter for dual-wavelength mode-locked fiber laser generation. The dual-wavelength output centers at 1532 and 1556 nm and it may simplify the set-up for dual-wavelength mode-locked laser.

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Tunable multiwavelength mode-locked Tm/Ho-doped fiber laser based on a nonlinear amplified loop mirror

Cited by 53 publications

References 27 publications

Double-Wall Carbon Nanotube Hybrid Mode-Locker in Tm-doped Fibre Laser: A Novel Mechanism for Robust Bound-State Solitons Generation

Double-Wall Carbon Nanotube Hybrid Mode-Locker in Tm-doped Fibre Laser: A Novel Mechanism for Robust Bound-State Solitons Generation

Ultrafast mid-IR fiber laser

All-Fiber Dual-Wavelength Mode-Locked Laser Using a Bend-Induced-Birefringence Lyot-Filter as Gain-Tilt Equalizer

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