This book highlights the dynamical behavior of self-similar waves in asymmetric dual-core waveguides. The proposed dual-core waveguide consists of two closely spaced adjoining fibers in which one fiber is active and the other is passive. Due to the linear coupling between them, the dynamics of the wave propagating through the passive core can be controlled by manipulating the dynamics of the wave propagating in the active core. The optimal pulse compression or amplification of these waves as the length of the fiber tends to infinity is presented. The exact Mobius transform self-similar solutions that propagate through these waveguides self-similarly are subject to simple scaling rules. The book includes experiments conducted to corroborate the analytical predictions.
Tabella dei contenuti
Introduction.- Nonlinear compression of self-similar waves in asymmetric twin-core fibers (TCF).- Optical similaritons in graded-index nonlinear waveguide with an external source.- Compression and propagation of dispersive and rectangular similaritons in TCF.- Dynamics of self-similar waves in TCF with Airy-Bessel modulated nonlinearity.- Spatio-temporal optical similaritons in dual-core waveguide with an external source.- Conclusions.
Circa l’autore
Dr
Thokala Soloman Raju obtained his M.Phil and Ph.D in Theoretical Physics, from the University of Hyderabad, India, under the supervision of Prof P K Panigrahi. He has held faculty position in several institutes in India that includes BITS-PILANI and IISER Tirupati. His research interests are mainly in the areas of Nonlinear Dynamics with particular emphasis on Solitary waves in Nonlinear Optical waveguides and Bose-Einstein condensates.
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