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Titolo: Radiation loss of dispersionmanaged solitons in optical fibers
Autore: Yang, TS; Kath, WL;
 Indirizzi:
 Natl Cheng Kung Univ, Dept Mech Engn, Tainan 70101, Taiwan Natl Cheng KungUniv Tainan Taiwan 70101 Mech Engn, Tainan 70101, Taiwan Northwestern Univ, Robert R McCormick Sch Engn & Appl Sci, Evanston, IL 60208 USA Northwestern Univ Evanston IL USA 60208 Appl Sci, Evanston, IL 60208 USA
 Titolo Testata:
 PHYSICA D
fascicolo: 12,
volume: 149,
anno: 2001,
pagine: 80  94
 SICI:
 01672789(20010201)149:12<80:RLODSI>2.0.ZU;23
 Fonte:
 ISI
 Lingua:
 ENG
 Soggetto:
 CAPILLARY SOLITARY WAVES; ENHANCEDPOWER SOLITONS; ZERO AVERAGE DISPERSION; PULSEPROPAGATION; TRANSMISSIONSYSTEMS; WDM; COMPENSATION; REDUCTION; EQUATION; DYNAMICS;
 Keywords:
 optical fiber communication; dispersion management; solitons; perturbed nonlinear Schrodinger equation; asymptotics beyond all orders;
 Tipo documento:
 Article
 Natura:
 Periodico
 Settore Disciplinare:
 Physical, Chemical & Earth Sciences
 Citazioni:
 47
 Recensione:
 Indirizzi per estratti:
 Indirizzo: Yang, TS Natl Cheng Kung Univ, Dept Mech Engn, Tainan 70101, Taiwan Natl Cheng Kung Univ Tainan Taiwan 70101 , Tainan 70101, Taiwan



 Citazione:
 T.S. Yang e W.L. Kath, "Radiation loss of dispersionmanaged solitons in optical fibers", PHYSICA D, 149(12), 2001, pp. 8094
Abstract
A nonlinear optical fiber with a periodic groupvelocity dispersion variation, called a dispersionmap, allows transmission of breathing solitonlikepulses. These pulses, commonly referred to as dispersionmanaged solitons (even though they are not true solitons). experience substantial distortionwithin each map period but recover their shapes after each complete cycle. Since linear dispersive waves composed of particular frequencies can oscillate with the same period as the dispersionmanaged soliton, the two can couple together in a nonlinear resonance. As a result, dispersionmanaged solitons tend to radiate. Here we calculate the radiation intensity by analyzing the nonlinear Schrodinger equation with a periodic dispersion coefficient. When the dispersionmap period is shorter than the average dispersion length, the radiation intensity is Sound to be exponentially small and can bedetermined by the techniques of asymptotics beyond all orders. It is shownthat the resonant radiation generally has nonzero intensity and thus drains energy from dispersionmanaged solitons, so that they are thus not truly periodic. We also show that there are lowradiation windows for particular parameter values where the dispersive radiation shed is greatly diminished. (C) 2001 Published by Elsevier Science B.V.
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Documento generato il 30/09/20 alle ore 00:46:32