Boris A Malomed
Articles written in Pramana – Journal of Physics
Volume 57 Issue 5-6 November 2001 pp 1041-1059 Theoretical Aspects Of Optical Solitons
We review recent theoretical results concerning the existence, stability and unique features of families of bright vortex solitons (doughnuts, or ‘spinning’ solitons) in both conservative and dissipative cubic-quintic nonlinear media.
Volume 57 Issue 5-6 November 2001 pp 1061-1078 Theoretical Aspects Of Optical Solitons
We present a review of new results which suggest the existence of
In the first part of the paper, we consider solitons in a nonlinear optical fibre in a region of parameters where the fibre carries exactly two distinct modes, viz., the fundamental one and the first-order
In the second part of the paper, we demonstrate that the interaction of the fundamental beam with its second harmonic in bulk media, in the presence of self-defocusing Kerr nonlinearity, gives rise to the first ever example of completely stable spatial ring-shaped solitons with intrinsic vorticity. The stability is demonstrated both by direct simulations and by analysis of linearized equations.
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