Gap solitons in an extended anti-directional coupler |
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| Authors: | A I Maimistov E V Kazantseva S S Ozhenko |
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| Institution: | 1.Moscow Engineering and Physics Institute (MEPhI),National Nuclear Research University,Moscow,Russia;2.Moscow Institute of Physics and Technology,Moscow,Russia;3.Moscow State Institute of Radioengineering Electronics and Automation,Moscow,Russia |
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| Abstract: | A nonlinear solitary wave in an inhomogeneous medium formed by two tunnel-coupled waveguides is considered. One of the waveguides
is manufactured from an ordinary dielectric, while the second has negative refraction. The results from numerical simulations
demonstrate the high stability of gap solitons with respect to collisions. It is discovered that for low relative velocities
of two colliding solitons, a longlived coupled state of these solitons can be formed. |
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