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8 papers · 1 filter
Controlled generation and steering of spatial gap solitons
Dragomir Neshev, Andrey A. Sukhorukov, Brendan Hanna +2
We demonstrate the first fully controlled generation of immobile and slow spatial gap solitons in nonlinear periodic systems with band-gap spectra, and reveal the key features of g…
Multistep Parametric Processes in Nonlinear Optics
Solomon M. Saltiel, Andrey A. Sukhorukov, Yuri S. Kivshar
We present a comprehensive overview of different types of parametric interactions in nonlinear optics which are associated with simultaneous phase-matching of several optical proce…
Nonlinear Bloch-wave interaction and Bragg scattering in optically-induced lattices
Andrey A. Sukhorukov, Dragomir Neshev, Wieslaw Krolikowski +1
We study, both theoretically and experimentally, the Bragg scattering of light in optically-induced photonic lattices and reveal the key physical mechanisms which govern nonlinear…
Partially incoherent optical vortices in self-focusing nonlinear media
Chien-Chung Jeng, Ming-Feng Shih, Kristian Motzek +1
We observe stable propagation of spatially localized single- and double-charge optical vortices in a self-focusing nonlinear medium. The vortices are created by self-trapping of pa…
Observation of transverse instabilities in optically-induced lattices
Dragomir Neshev, Andrey A. Sukhorukov, Yuri S. Kivshar +1
We study experimentally the Bloch-wave instabilities in optically-induced lattices. We reveal two different instability scenarios associated with either the transverse modulational…
Band-gap solitons in nonlinear optically-induced lattices
Anton S. Desyatnikov, Elena A. Ostrovskaya, Yuri S. Kivshar +1
We introduce novel optical solitons that consist of a periodic and a spatially localized components coupled nonlinearly via cross-phase modulation. The spatially localized optical…