1998
DOI: 10.1006/jcph.1998.6087
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Numerical Algorithms for the Direct Spectral Transform with Applications to Nonlinear Schrödinger Type Systems

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Cited by 47 publications
(57 citation statements)
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“…The discrete spectrum of the ZS operator is associated with solitons, whereas the continuous spectrum gives linearly dispersing waves (radiation). The total energy of a given pulse is proportional to the sum of two contributions: an integral over the continuous spectrum (radiation) and the sum of the imaginary parts of the discrete eigenvalues (solitons) of the ZS scattering problem [26]. We find that the field envelope of RR1 at z 12.1 m [ Fig.…”
Section: B Time Domain Analysismentioning
confidence: 97%
“…The discrete spectrum of the ZS operator is associated with solitons, whereas the continuous spectrum gives linearly dispersing waves (radiation). The total energy of a given pulse is proportional to the sum of two contributions: an integral over the continuous spectrum (radiation) and the sum of the imaginary parts of the discrete eigenvalues (solitons) of the ZS scattering problem [26]. We find that the field envelope of RR1 at z 12.1 m [ Fig.…”
Section: B Time Domain Analysismentioning
confidence: 97%
“…Given a solution u of the NLS equation at a particular value of z, one can discretize the Z-S eigenvalue problem and solve it numerically [27,31]. In the case of noisy solutions, which may not be smooth, it may be more robust to use a completely integrable discrete version, such as the Ablowitz-Ladik eigenvalue problem [27].…”
Section: Numerical Resultsmentioning
confidence: 99%
“…(4), utilizes the piecewise constant approximation of the input profile 26 used as a potential of the associated ZSSP. The sensitivity of the method (i.e., the lower threshold of the absolute values for the eigenvalues above which we were able to recognize the presence of a new soliton) was ͉ k ͉ ϳ 10 −3 .…”
Section: Multisoliton Decomposition Of a Chirped Gaussianmentioning
confidence: 99%
“…Note that the problem of conversion of the pulses having different shapes into NLSE solitons has already been studied in various contexts, both analytically and numerically, [14][15][16][17][18][19][20][21][22][23][24][25][26][27][28] including the study of chirped Gaussiantype input pulses. Let us recall some of these results, in order to clarify what is new in our studies.…”
Section: Introductionmentioning
confidence: 99%
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