A Fiber-Optic System Generating Pulses of High Spectral Density

Abramov, A. S.; Zolotovskii, I. O.; Коробко, Д. А.; Fotiadi, Andrei A.

doi:10.1134/s0030400x18030037

Cited by 4 publications

(2 citation statements)

References 16 publications

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“…The parabolic pulse possessing a linear frequency modulation (chirp) is known to be the most suitable for nonlinear SC [17,25,26]. In our case, the pulse shape and its spectrum vary significantly during pulse propagation inside the cavity (figure 3).…”

Section: Numerical Analysismentioning

confidence: 90%

Spectral compression in ring similariton fiber laser

Abramov¹,

Коробко²,

Zolotovskii³

et al. 2019

Laser Phys. Lett.

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We present a theoretical model of a ring similariton fiber laser employing nonlinear spectrum compression. A pair of tunnel-coupled optical fibers is used for passive mode-locking. The laser characteristics are simulated for a wide range of laser operation regimes and configuration parameters. The optimized laser system design enables generation of pulses with the maximal efficiency and spectral density providing the lowest losses of energy inside the cavity.

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Section: Numerical Analysismentioning

confidence: 90%

Spectral compression in ring similariton fiber laser

Abramov¹,

Коробко²,

Zolotovskii³

et al. 2019

Laser Phys. Lett.

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“…The proposed method allows optimization of the amplifier length for generation of parabolic pulses in real fiber amplifiers. The proposed parabolic pulse generators can be used in conjugation with the temporal and spectral compression systems [20,21], optical processors [22] and for cascade amplification of the pulses up to extreme energies [23,24].…”

Section: Discussionmentioning

confidence: 99%

Parabolic pulse generation in short fiber amplifiers

Schukarev¹,

Коробко²,

Zolotovskii³

2019

J. Opt.

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The evolution of a laser pulse in a normal dispersion fiber amplifier is studied numerically. The cases of amplification with ideal spectrally flat gain and amplification with spectrally parabolic gain are considered. It is shown that the transformation of the input pulse envelope into parabolic form is possible, not only for spectrally flat but also for spectrally limited gain. In the last case, the important parameter is the optimal length of the amplifier. The results show that for a sufficiently broadband gain, it is always possible to find the optimal amplifier length, which provides the output pulse with envelope close to the parabola.

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Generation of parabolic laser pulses in short fibre amplifiers

et al. 2019

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The laser pulse evolution in a normal-dispersion fibre amplifier is studied. The cases of ideal spectrum-homogeneous and transform-limited amplification are considered. It is shown that the envelope transformation of the input pulse to a parabolic form is possible not only for spectrally-flat amplification, but also for transform-limited one. In the latter case, an important parameter is the optimal amplifier length. The results demonstrate that, in the case of a sufficiently wide amplification spectrum, it is always possible to find the optimal amplifier length, after passing through which the output pulse envelope is close to a parabola.

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A Fiber-Optic System Generating Pulses of High Spectral Density

Cited by 4 publications

References 16 publications

Spectral compression in ring similariton fiber laser

Spectral compression in ring similariton fiber laser

Parabolic pulse generation in short fiber amplifiers

Generation of parabolic laser pulses in short fibre amplifiers

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