1 May 2014 Simulation and properties of highly nonlinear multilayer optical structures using the transmission line method
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Abstract
In this work we numerically investigate and analyse the properties of an optical structure comprised of successive thin film layers that can possess high values of nonlinear susceptibility, affecting the refractive index and/or the absorption coefficient. By applying the Transmission Line Method (TLM), properly modified to resolve the inclusion of third order nonlinearity, the spectral reflectivity and transmission of such a device are presented. Specifically, the method is applied for the case of conceptual design of a Distributed Bragg Reflector (DBR). Optical bistability can be observed, which translates not only to a change in the value of reflectivity, as the input power increases, but also to a shift of the Bragg wavelength.
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Nikolaos Moshonas, Nikolaos Moshonas, Gerasimos K. Pagiatakis, Gerasimos K. Pagiatakis, Panagiotis Papagiannis, Panagiotis Papagiannis, Stylianos P. Savaidis, Stylianos P. Savaidis, Nikolaos A. Stathopoulos, Nikolaos A. Stathopoulos, } "Simulation and properties of highly nonlinear multilayer optical structures using the transmission line method", Proc. SPIE 9131, Optical Modelling and Design III, 913129 (1 May 2014); doi: 10.1117/12.2057675; https://doi.org/10.1117/12.2057675
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