TY - JOUR
T1 - Stable nonlinear amplification of solitons without gain saturation
AU - Borovkova, O. V.
AU - Lobanov, V. E.
AU - Malomed, B. A.
PY - 2012/2
Y1 - 2012/2
N2 - We demonstrate that the cubic gain applied in a localized region, which is embedded into a bulk waveguide with the cubic-quintic nonlinearity and uniform linear losses, supports stable spatial solitons in the absence of the quintic dissipation. The system, featuring the bistability between the solitons and the zero state (which are separated by a family of unstable solitons), may be used as a nonlinear amplifier for optical and plasmonic solitons, which, on the contrary to previously known settings, does not require gain saturation. The results are obtained in an analytical form and corroborated by the numerical analysis.
AB - We demonstrate that the cubic gain applied in a localized region, which is embedded into a bulk waveguide with the cubic-quintic nonlinearity and uniform linear losses, supports stable spatial solitons in the absence of the quintic dissipation. The system, featuring the bistability between the solitons and the zero state (which are separated by a family of unstable solitons), may be used as a nonlinear amplifier for optical and plasmonic solitons, which, on the contrary to previously known settings, does not require gain saturation. The results are obtained in an analytical form and corroborated by the numerical analysis.
UR - https://www.scopus.com/pages/publications/84857584030
U2 - 10.1209/0295-5075/97/44003
DO - 10.1209/0295-5075/97/44003
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AN - SCOPUS:84857584030
SN - 0295-5075
VL - 97
JO - Journal de Physique (Paris), Lettres
JF - Journal de Physique (Paris), Lettres
IS - 4
M1 - 44003
ER -