Generation of a broad IR spectrum and N-soliton compression in a longitudinally inhomogeneous dispersion-shifted fibre

Zolotovskii, I. O.; Коробко, Д. А.; Okhotnikov, Oleg G.; Stolyarov, D. A.; Sysolyatin, A. A.

doi:10.1070/qe2015v045n09abeh015690

Cited by 13 publications

(3 citation statements)

References 24 publications

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“…Among these are direct amplification [3], advanced pre-chirp management or parabolic pre-shaping [4,5] and self-similar pulse evolution [6], enabling the production of sub-picosecond pulses through post-compression stages. Such stages often leverage classical Treacy schemes with diffraction gratings [7] or employ all-fibre compressors [8].…”

Section: Introductionmentioning

confidence: 99%

Gain-managed nonlinear amplification of ultra-low repetition rate mode-locked pulse

Stoliarov,

Manuylovich,

Rafailov

2024

Nonlinear Optics and Its Applications 2024

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In this investigation, we conducted a study on the amplification of ultra-low repetition rate pulses, specifically in the 0.5 to 16 MHz range, utilizing gain-managed nonlinear techniques. The research was centered around the implementation of a 1064 nm all-polarization-maintaining fiber mode-locked laser, which was seeded with an acoustic-optical pulse picker to regulate the pulse repetition rate. This experimental approach significantly enhanced the nonlinear pulse propagation effects across various pulse repetition rates at 1064 nm, offering new insights into the dynamics of GMN amplification in ultra-low repetition rate regimes.

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Section: Introductionmentioning

confidence: 99%

Gain-managed nonlinear amplification of ultra-low repetition rate mode-locked pulse

Stoliarov,

Manuylovich,

Rafailov

2024

Nonlinear Optics and Its Applications 2024

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“…There are different ways to obtain laser waves in the 1.7 µm range based on optical fiber technologies, with certain advantages and disadvantages. For instance, these are Tm-doped fiber lasers and amplifiers [6,7], Bi-doped fiber lasers and amplifiers [8,9], light converters based on Raman soliton self-frequency shift in nonlinear fibers [10,11], and Raman lasers [12][13][14]. In contrast to population inversion lasers that generate in the wavelength bands corresponding to radiative transitions and require certain pump wavelengths, Raman lasers have no such restrictions.…”

Section: Introductionmentioning

confidence: 99%

Numerical Analysis of Dual-Wavelength Tungsten-Tellurite Fiber Raman Lasers with Controllable Mode Switching

Anashkina,

Andrianov

2023

Fibers

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Fiber laser sources in the spectral range near 1.7–1.8 μm are in highly demand for a lot of applications. We propose and theoretically investigate a dual-wavelength switchable Raman tungsten-tellurite fiber laser in the 1.7–1.8 µm range which can produce two stable modes at frequencies separated by ~7 THz with a pump at 1.55 µm. The Raman waves shifted by 19.8 THz (mode 1) and 27.5 THz (mode 2) from the pump frequency can be generated near two different maxima of the Raman gain spectrum (gain is higher at 19.8 THz and twice lower at 27.5 THz). We numerically simulate two-mode Raman lasing with allowance for energy transfer from the pump wave to modes 1 and 2, and from mode 1 to mode 2 due to inelastic Raman scattering. Diagrams of generation regimes depending on system parameters are constructed. We demonstrate controlled switching between two modes by changing the pump power. For the same intracavity losses for both Raman modes at relatively low pump powers, only mode 1 is generated. At medium pump power, generation occurs simultaneously in both modes. At relatively high pump power, only mode 2 is generated near the weaker maximum. This effect seems surprising, but a rigorous explanation with allowance for the nonlinear interaction between mode 1 and mode 2 is found. When losses for one of the modes change, switching of the generated regimes is also predicted.

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“…The configurations based on the erbium mode-locked fiber lasers and amplifiers of the range 1540-1570 nm are free from the above-mentioned shortcomings. The output pulses of these systems injected into a final nonlinear fiber with anomalous dispersion are split into solitons that undergo Raman shift to the longer wavelengths [22][23][24][25][26][27][28]. The benefits of this approach are not only advanced technologies of telecom mode-locked fiber lasers, but also the possibility of simple wavelength tuning due to varying value of the Raman shift.…”

Section: Introductionmentioning

confidence: 99%

Soliton Raman shift wavelength tuning through the pump pulse polarization control

Korobko,

Panyaev,

Itrin

et al. 2023

Specialty Optical Fibres

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Generation of a broad IR spectrum and N-soliton compression in a longitudinally inhomogeneous dispersion-shifted fibre

Cited by 13 publications

References 24 publications

Gain-managed nonlinear amplification of ultra-low repetition rate mode-locked pulse

Gain-managed nonlinear amplification of ultra-low repetition rate mode-locked pulse

Numerical Analysis of Dual-Wavelength Tungsten-Tellurite Fiber Raman Lasers with Controllable Mode Switching

Soliton Raman shift wavelength tuning through the pump pulse polarization control

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