Nonlinearly induced escape from a defect state in waveguide arrays

U. Peschel; R. Morandotti; J. S. Aitchison; H. S. Eisenberg; Y. Silberberg

doi:10.1063/1.124689

Nonlinearly induced escape from a defect state in waveguide arrays

U. Peschel^*
, R. Morandotti
, J. S. Aitchison
, H. S. Eisenberg
, Y. Silberberg

^*Corresponding author for this work

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

110 Scopus citations

Abstract

The linear and nonlinear optical properties of a nonuniform waveguide array are experimentally investigated. By reducing the width of a single waveguide, the effective index and induced waveguiding along the defect is decreased. Due to the positive nonlinearity, the index difference is reduced for increasing power levels with the result that the field escapes. Waveguiding is suppressed by the action of the nonlinearity.

Original language	English
Pages (from-to)	1348-1350
Number of pages	3
Journal	Applied Physics Letters
Volume	75
Issue number	10
DOIs	https://doi.org/10.1063/1.124689
State	Published - 6 Sep 1999
Externally published	Yes

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10.1063/1.124689

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title = "Nonlinearly induced escape from a defect state in waveguide arrays",

abstract = "The linear and nonlinear optical properties of a nonuniform waveguide array are experimentally investigated. By reducing the width of a single waveguide, the effective index and induced waveguiding along the defect is decreased. Due to the positive nonlinearity, the index difference is reduced for increasing power levels with the result that the field escapes. Waveguiding is suppressed by the action of the nonlinearity.",

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AU - Morandotti, R.

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AU - Silberberg, Y.

PY - 1999/9/6

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AB - The linear and nonlinear optical properties of a nonuniform waveguide array are experimentally investigated. By reducing the width of a single waveguide, the effective index and induced waveguiding along the defect is decreased. Due to the positive nonlinearity, the index difference is reduced for increasing power levels with the result that the field escapes. Waveguiding is suppressed by the action of the nonlinearity.

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Nonlinearly induced escape from a defect state in waveguide arrays

Abstract

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