Near-field imaging of nonlinear pulse propagation in planar silica waveguides

Y. Linzon; I. Ilsar; D. Cheskis; R. Morandotti; J. S. Aitchison; S. Bar-Ad

doi:10.1103/PhysRevE.72.066607

Near-field imaging of nonlinear pulse propagation in planar silica waveguides

Y. Linzon, I. Ilsar, D. Cheskis, R. Morandotti, J. S. Aitchison, S. Bar-Ad

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

A simplified near-field scanning optical microscope is employed to image the propagation of short laser pulses in planar silica waveguides, in the anomalous dispersion regime, under varying conditions of input beam power and width. Our results show a complex evolution of the transverse intensity profiles of the beam when there is a pronounced difference between the input diffraction and dispersion lengths. Numerical simulations confirm that these complex spatial dynamics are intimately related to the temporal and spectral evolution of the pulse.

Original language	English
Article number	066607
Journal	Physical Review E
Volume	72
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevE.72.066607
State	Published - Dec 2005
Externally published	Yes

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10.1103/PhysRevE.72.066607

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abstract = "A simplified near-field scanning optical microscope is employed to image the propagation of short laser pulses in planar silica waveguides, in the anomalous dispersion regime, under varying conditions of input beam power and width. Our results show a complex evolution of the transverse intensity profiles of the beam when there is a pronounced difference between the input diffraction and dispersion lengths. Numerical simulations confirm that these complex spatial dynamics are intimately related to the temporal and spectral evolution of the pulse.",

author = "Y. Linzon and I. Ilsar and D. Cheskis and R. Morandotti and Aitchison, {J. S.} and S. Bar-Ad",

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AU - Aitchison, J. S.

AU - Bar-Ad, S.

PY - 2005/12

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AB - A simplified near-field scanning optical microscope is employed to image the propagation of short laser pulses in planar silica waveguides, in the anomalous dispersion regime, under varying conditions of input beam power and width. Our results show a complex evolution of the transverse intensity profiles of the beam when there is a pronounced difference between the input diffraction and dispersion lengths. Numerical simulations confirm that these complex spatial dynamics are intimately related to the temporal and spectral evolution of the pulse.

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Near-field imaging of nonlinear pulse propagation in planar silica waveguides

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