13 April 2005 Nonlinear properties of the omniguide fiber
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Annular Photonic structures, which occur on bulk and fibers, are Bragg structures that share both Bragg resonances and waveguiding. They are related to Photonic crystals because of their large enough refraction difference indexes (n2 - n1) that makes unavoidable to consider in full the reflected wave, well beyond the approximations required for analytical gap solitons. Effectively, their confining capabilities are or primary importance, however, the potential of those structures are substantial and deserves to be further explored. Waveguiding occurs where the structure is homogenous, and may be handled on well known methods. Nonlinear propagation has been observed on solid core Bragg fibers and the soliton distribution on a nonlinear circular and annular region have been described. Linear Photonic annular structures, such as resonators, have been studied by A. Yariv as well as on omniguide fibers. The propagation along the direction where the material is inhomogenous, and that correspond to the beam profile, is a complex task and it is the objective of this paper.
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Jose Javier Sanchez-Mondragon, Jose Javier Sanchez-Mondragon, J. Jesus Escobedo-Alatorre, J. Jesus Escobedo-Alatorre, Margarita Tecpoyotl-Torres, Margarita Tecpoyotl-Torres, Edgar Alvarado-Mendez, Edgar Alvarado-Mendez, Miguel C. Torres-Cisneros, Miguel C. Torres-Cisneros, } "Nonlinear properties of the omniguide fiber", Proc. SPIE 5733, Photonic Crystal Materials and Devices III, (13 April 2005); doi: 10.1117/12.591379; https://doi.org/10.1117/12.591379

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