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Dynamics of frequency-modulated wave packets in optical guides with complex-valued material parameters

 a,  b,  a
a Ul'yanovsk State University, ul. L. Tolstogo 42, Ulyanovsk, 432700, Russian Federation
b Scientific-Research Institute of Atomic Reactors, Dimitrovgrad, Ul'yanovsk Region, Russian Federation

Features of wave packet dynamics in linear and nonlinear optical fibers are studied allowing for complex-valued dispersion parameters. It is shown that the presence of imaginary components in dispersion parameters affects considerably the compression behavior of a wave packet in single-element and cascaded optical fibers; causes a shift in carrier frequency; and creates frequency-modulated wave packets with a superluminal envelope maximum.

Text can be downloaded in Russian. English translation is available here.
PACS: 42.25.Bs, 42.65.Re, 42.79.Gn (all)
DOI: 10.3367/UFNe.0183.201312e.1353
URL: https://ufn.ru/en/articles/2013/12/e/
Citation: Zolotovskii I O, Minvaliev R N, Sementsov D I "Dynamics of frequency-modulated wave packets in optical guides with complex-valued material parameters" Phys. Usp. 56 1245–1256 (2013)
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Received: 9th, June 2012, revised: 28th, August 2013, 6th, September 2013

Оригинал: Золотовский И О, Минвалиев Р Н, Семенцов Д И «Динамика частотно-модулированных волновых пакетов в световодах с комплексными материальными параметрами» УФН 183 1353–1365 (2013); DOI: 10.3367/UFNr.0183.201312e.1353

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