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Boundary Effects in Large-Aspect-Ratio Lasers

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In Faculty Publications

Title

Boundary Effects in Large-Aspect-Ratio Lasers

Author(s)

Harkness, G. K.
University of Strathclyde, Glasgow, Scotland
Firth, Willie J
University of Strathclyde, Glasgow, Scotland
Geddes, John B.
Moloney, J. V.

Description

We study theoretically the effect of transverse boundary conditions on the traveling waves found in infinitely extended and positively detuned laser systems. We find that for large-aspect-ratio systems, well above threshold and away from the boundaries, the traveling waves persist. Source and sink defects are observed on the boundaries, and in very-large-aspect-ratio systems these defects can also exist away from the boundaries. The transverse size of the sink defect, relative to the size of the transverse domain, is important in determining the final pattern observed, and so, close to threshold, standing waves are always observed.

Date Published

2018-03-26 15:08:50

Files

  • Download Geddes_Boundary.pdf

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Olin College of Engineering

An undergraduate engineering institution exploring innovative approaches to engineering education since its founding in 1997.

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