Quasi-Instanton Solution for Ultrashort Baseband Optical Signals

Kazuya HAYATA  Masanori KOSHIBA  

IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E76-A   No.12   pp.2059-2061
Publication Date: 1993/12/25
Online ISSN: 
Print ISSN: 0916-8508
Type of Manuscript: Special Section LETTER (Special Section of Letters Selected from the 1993 IEICE Fall Conference)
instanton,  baseband optical signal,  nonlinear Klein-Gordon equation,  light cone,  saturable nonlinear polarization,  

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We extend the concept "optical instanton" to arbitrary dielectric media. For these general cases the exact analytical approach is no longer available. We derive an approximate analytical solution that would be valid in the vicinity of the light cone. A comparison is made between the analytical and the numerical solutions.