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Cancellation of Raman self-frequency shift for compression of optical pulses

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Abstract

We study to which extent a fiber soliton can be manipulated by a specially chosen continuous pump wave. A group velocity matched pump scatters at the soliton, which is compressed due to the energy/momentum transfer. As the pump scattering is very sensitive to the velocity matching condition, soliton compression is quickly destroyed by the soliton self-frequency shift (SSFS). This is especially true for ultrashort pulses: SSFS inevitably impairs the degree of compression. We demonstrate numerically that soliton enhancement can be restored to some extent and the compressed soliton can be stabilized, provided that SSFS is canceled by a second pump wave. Still the available compression degree is considerably smaller than that in the Raman-free nonlinear fibers.

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Correspondence to Sabrina Pickartz.

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This article is part of the Topical Collection on Numerical Simulation of Optoelectronic Devices, NUSOD’ 17.

Guest edited by Matthias Auf der Maur, Weida Hu, Slawomir Sujecki, Yuh-Renn Wu, Niels Gregersen, Paolo Bardella.

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Pickartz, S., Brée, C., Bandelow, U. et al. Cancellation of Raman self-frequency shift for compression of optical pulses. Opt Quant Electron 49, 328 (2017). https://doi.org/10.1007/s11082-017-1164-7

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  • DOI: https://doi.org/10.1007/s11082-017-1164-7

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