Multimodal unidirectional pulse propagation equation
نویسندگان
چکیده
منابع مشابه
Quantifying the limits of unidirectional ultrashort optical pulse propagation
In this paper we explore the limits of the unidirectional pulse propagation equation (UPPE) in general nonlinear media. Our main aim is to investigate under which physical conditions two-way propagation becomes significant, and leads to a breakdown of the unidirectional approximation. Using a spectral constraint appearing in the derivation of UPPE we derive a first correction which renormalizes...
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Unidirectional pulse propagation equations [UPPE, Phys. Rev. E 70, 036604 (2004)] have provided a theoretical underpinning for computer-aided investigations into dynamics of high-power ultrashort laser pulses and have been successfully utilized for almost a decade. Unfortunately, they are restricted to applications in bulk media or, with additional approximations, to simple waveguide geometries...
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We presented the numerical technique to approximately solve the pulse propagation equation. Two efficient methods for this problem, the Split-Step Fourier and the fourth order Runge-Kutta methods are considered. Their high accuracy are shown by comparison with analytical solutions in some particular situations. Our numerical experiments are implemented for soliton propagation and interacting hi...
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The magic garment worn by the fictional wizard Harry Potter makes him invisible and simultaneously allows him to see the outside world. The concept of this type of invisibility cloak has captured the imagination for centuries and has inspired many recent explorations in the field of optics. Making such a fictional garment is indeed a grand challenge: when invisible to the outside observer, the ...
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ژورنال
عنوان ژورنال: Physical Review E
سال: 2019
ISSN: 2470-0045,2470-0053
DOI: 10.1103/physreve.99.032217