Compression of optical similaritons induced by cubic-quintic nonlinear media in a graded-index waveguide

作者：Pal Ritu; Goyal Amit; Loomba Shally; Raju Thokala Soloman^*; Kumar C N

来源：Journal of Nonlinear Optical Physics and Materials, 2016, 25(3): 1650033.

DOI：10.1142/S0218863516500338

• Optical similaritons
• graded-index waveguide
• cubic-quintic nonlinear media

We employ the similarity reductions in two steps to obtain a family of bright and dark similaritons for the variable coefficient cubic-quintic nonlinear Schrodinger equation. Also, parameter domains are delineated in which kink and double-kink similaritons exist for this model. This methodology introduces a free parameter through cubic nonlinearity coefficient which gives us freedom to tune the amplitude and the propagation distance of similaritons in a tapered graded-index waveguide. Furthermore, we observe rapid beam compression of these similaritons for varying detuning parameter and the coefficient of cubic nonlinearity.

• 出版日期2016-9