System and method for creating and utilizing multivariate paths for ongoing simultaneous multi-dimensional control to attain single mode sweep operation in an electromagnetic radiation source
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United States of America Patent
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Sep 27, 2016
Grant Date -
Nov 20, 2014
app pub date -
Sep 13, 2012
filing date -
Sep 14, 2011
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Abstract
A method for sweeping an electromagnetic radiation source (12) to produce single mode operation having an optimized side-mode suppression ratio over a continuous range of wavelengths within a prescribed temporal profile, the electromagnetic radiation source is configured to output electromagnetic radiation at a given wavelength based upon parameters. The method includes determining a set of parameter combinations that satisfy a condition for a desired set of wavelengths and a maximum side mode suppression ratio over the range of wavelengths. The set of parameter combinations define sub-paths for transitioning from one wavelength to another wavelength. Combinations of select sub-paths provide a multivariate path for transitioning over the range of wavelengths. The method also includes controlling the semiconductor laser to emit electromagnetic radiation over the range of wavelengths by traversing the multivariate path in a desired manner.
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