Spatiotemporal mode-locking and dissipative solitons in multimode fiber lasers

Cao, Bo; Gao, Chenxin; Liu, Kewei; Xiao, Xiaosheng; Yang, Changxi; Bao, Chengying

doi:10.1038/s41377-023-01305-0

Cited by 20 publications

(5 citation statements)

References 194 publications

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“…Of course, scalar solitons can be generated using an all-polarization-maintained fiber laser cavity. Besides, multi-mode fiber is introduced in previous reports, to investigate the spatiotemporal optical soliton [11][12][13]. In this situation, the output single-pulse energy will be improved, accompanied with a lower laser beam quality factor (M 2 ).…”

Section: Introductionmentioning

confidence: 99%

Extra-cavity modulation of a chirped Gaussian bisoliton

Wang,

Li,

Peng

et al. 2024

Laser Phys.

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Optical solitons can find important applications in optical fiber communication systems. Here, we simulate extra-cavity modulation of a chirped Gaussian bisoliton in a 1 μm wavelength band. Several different soliton parameters are varied (including the amplitude ratio and time delay of orthogonal components, the projection angle, phase difference, pulse chirps and propagation distances), to effectively change the optical spectra and pulse shapes of the initial input chirped Gaussian bisoliton. For example, when the two branches in the optical fiber modulation system have the same or different fiber lengths, the modulated chirped Gaussian bisoliton will show obviously different properties in the time domain for orthogonally polarized components, while the corresponding optical spectra have no obvious differences. The simulation results reveal the effects of extra-cavity modulation of the chirped Gaussian bisoliton, which further explores the field of soliton shaping out of a fiber laser cavity.

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Section: Introductionmentioning

confidence: 99%

Extra-cavity modulation of a chirped Gaussian bisoliton

Wang,

Li,

Peng

et al. 2024

Laser Phys.

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“…With its short pulse width and high energy, distributed soliton (DS) lasers are among the most attractive types of fiber lasers. DS lasers are capable of producing single-mode beams with up to 31 nJ of power per oscillator, the highest femtosecond pulse energies yet achieved by standard beam lasers [7].…”

Section: Introductionmentioning

confidence: 99%

Characterization of Visible Range Gain in Praseodymium Doped Fiber Amplifier

Sultana,

Siddik

2024

Int J Res Rev

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In the optical (380-700 nm) region, a simulation study was conducted to assess the low-signal gain, power conversion efficiency (PCE), and optical output power of a praseodymium-doped fiber optic amplifier (PDFA). The PDFA performance was assessed using the optimized Pr3+ fiber length, Pr3+ ion concentration, and pump power. Additionally, the effects of input signal voltage and amplifier gain on amplified spontaneous emission (ASE) were investigated. A lower peak signal of roughly 1 dB at 635 nm was obtained with a shorter 5 m Pr3 + doped fiber and a higher pump power of 300 mW. The impact of wavelength and pump power variations on the amplifier's optical output power's spontaneous enhanced emission (EEM) is examined. Finally, the ionic interaction (general-purpose conversion effect) in the low-power amplifier signal is analyzed by taking into account various values of the upconversion factor. Keywords: Praseodymium doped fibre amplifier, Small-signal gain, Pump power, Ultrashort laser.

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“…Multimode optical systems are advancing wave physics through emergent phenomena like spatial attractors [1,2] and multimode solitons [3,4], challenging existing theories and inviting interdisciplinary approaches from fields like statistical mechanics and machine learning, thus providing ideal platforms for exploring high-dimensional nonlinear physics [5]. The applications of multimode fibers span from high-power lasers [6] to optical communications [7] and from astrophysics [8] to integrated photonic circuits [9].…”

Section: Introductionmentioning

confidence: 99%

Sparse intensity sampling for ultrafast full-field reconstruction in low-dimensional photonic systems

Manuylovich

2024

Preprint

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Exploiting light’s phase dimension opened multiple avenues in photonics, from phase-contrast microscopy to coherent optical communications. Phase-sensitive measurements usually utilize interferometric techniques to extract the optical phase. However, in some cases, when the feature space of an electromagnetic field is highly degenerate or inherently low dimensional, the vast majority of field distribution parameters, including wavefront, can be extracted from intensity measurements only. But even the fastest of previously published intensity-only methods have too high a computational complexity to be applicable at the speeds used in optical communications and, most importantly, require data from CCD cameras, which are generally very slow. This paper shows how a few intensity measurements, taken from properly placed photodetectors, can be used to reconstruct the complex-valued field fully in systems with low-dimensional feature space. The presented method allows full-field characterization in few-mode fibers and does not employ a reference beam. It is 3 orders of magnitude faster than the fastest previously published result and uses 3 orders of magnitude fewer photodetectors, allowing retrieval of mode amplitudes and phases relative to the fundamental mode using only several telecom-grade photodetectors. This opens the avenue for ultra-fast applications of intensity-only mode decomposition methods, including the pulse-to-pulse beam complete characterization of lasers with spatio-temporal modelocking, providing an essential tool for experimental exploration of the modal dynamics in such systems. It can also be applied to ultra-fast sensing in few-mode fibers and for coherent mode division-multiplexed receivers using quadratic detectors only.

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Spatiotemporal mode-locking and dissipative solitons in multimode fiber lasers

Cited by 20 publications

References 194 publications

Extra-cavity modulation of a chirped Gaussian bisoliton

Extra-cavity modulation of a chirped Gaussian bisoliton

Characterization of Visible Range Gain in Praseodymium Doped Fiber Amplifier

Sparse intensity sampling for ultrafast full-field reconstruction in low-dimensional photonic systems

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