Browsing by author "Alexander, Tristram J."
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Generalized dispersion Kerr solitons
Tam, Kevin K. K.; Alexander, Tristram J.; Blanco Redondo, Andrea; de Sterke, C. MartijnPublished 2020We report a continuum of pulse-like soliton solutions to the generalized nonlinear Schr ̈odinger equation with both quadratic and quartic dispersion and a Kerr nonlinearity. We show that the well-known nonlinear Schr ...Open AccessArticle -
Generalized self-similar propagation and amplification of optical pulses in nonlinear media with high-order normal dispersion
Runge, Antoine F.J.; Alexander, Tristram J.; Talathi, Harsh P.; Hudson, Darren D.; Blanco Redondo, Andrea; de Sterke, C. MartijnPublished 2021We investigate theoretically and numerically the self-similar propagation of optical pulses in the presence of gain, positive Kerr nonlinearity and positive (i.e. normal) dispersion of even order m. Starting from a modified ...Open AccessArticle -
Self-similar propagation of optical pulses in fibers with positive quartic dispersion
Runge, Antoine F.J.; Alexander, Tristram J.; Newton, Joseph; Alavandi, Pranav A.; Hudson, Darren D.; Blanco Redondo, Andrea; de Sterke, C. MartijnPublished 2020We study the propagation of ultrashort pulses in optical fiber with gain and positive (or normal) quartic dispersion by self-similarity analysis of the modified nonlinear Schrödinger equation. We find an exact asymptotic ...Open AccessArticle -
Stationary and Dynamical Properties of Pure-Quartic Solitons
Tam, Kevin K. K.; Alexander, Tristram J.; Blanco Redondo, Andrea; de Sterke, C. MartijnPublished 2019We numerically solve a generalized nonlinear Schrödinger equation and find a family of pure-quartic solitons, existing through a balance of positive Kerr nonlinearity and negative quartic dispersion. These solitons have ...Open AccessArticle
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