Title

Blue-shifted rogue waves generation in normal dispersion fiber laser

Document Type

Journal Article

Publication Title

IEEE Photonics Technology Letters

Publisher

IEEE

School

School of Science

RAS ID

21602

Comments

Originally published as: Afzal, M. I., Alameh, K., & Lee, Y. T. (2015). Blue-shifted rogue waves generation in normal dispersion fiber laser. IEEE Photonics Technology Letters, 27(22), 2323-2326. Original publication available here

Abstract

In the presence of noise in normal dispersion fiber mode-locked lasers, dissipative resonance disappears, which leads to instability of spectral broadening and makes the asymptotic accumulation of energy impossible. We experimentally generate dissipative soliton molecules-like spectral peaks and rogue waves in the frequency domain in a self-mode-locked fiber laser. Due to noise in the initial triangular-shaped mode locked wave, these molecules are arranged in the form of lobes on the longer wavelength side, thus forming three virtual groups of soliton molecules. Further dissipative accumulation of power in the mode-locked wave ultimately leads to the formation of a blue-shifted group of three rogue waves, due to the effective fusion of adjacent soliton molecules. This is the first report of an experimental observation of blue-shifted and three rogue waves in a single experiment. The results have far reaching implications for experimentation with soliton collisions, optical rogue waves, and understanding of hydrodynamics.

DOI

10.1109/LPT.2015.2462342

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