WebDec 1, 2007 · The one-dimensional potential well Vx =− 2 +1 /2ma 2 sech 2 x / a does not reflect waves of any energy when is a positive integer. We show that in this reflectionless … WebWe consider an optical fiber with nanoscale variation of the effective fiber radius supporting whispering gallery modes slowly propagating along the fiber, and reveal that the radius …

Reflectionless and almost Reflectionless Potentials. - NASA/ADS

WebMay 12, 2011 · We realize experimentally a true reflectionless potential, which facilitates nonresonant unity transmission for all incident waves and at the same time supports localized modes. We utilize arrays of evanescently coupled optical waveguides, where a particular modulation of the transverse waveguide separations provides a physical … WebJan 17, 2007 · For the sine-Gordon L-operator, we use dressing chains to construct reflectionless potentials that are self-similar with respect to Darboux transformations. These potentials have an infinite spectrum arranged in a geometric progression. We use numerical methods to show that these potentials have a localized form with modulated … rainbow blue maskot value

Optical reflectionless potentials for broadband, omnidirectional ...

WebSep 19, 2024 · Negative refraction, an unnatural optical phenomenon in which the incident and and refracted waves reside on the same side of the face normal, possess have demonstrated with the finding of negative index media based on artificially engineered photonic structures called metamaterials. It has received wide attention due to its … WebDec 1, 1998 · Comparisons with scattering by the square well and by a series of reflectionless potentials are also presented. Possible applications of the Sech-squared as … WebJul 27, 2004 · A class of one-dimensional reflectionless potentials, an absolute transparency of which is concerned with their belonging to one SUSY-hierarchy with a constant … havupuu-uutetabletti