Gaining Insights into Laser Pulse Shaping by Evolution Strategies

  • Authors:
  • Ofer M. Shir;Joost N. Kok;Thomas Bäck;Marc J. Vrakking

  • Affiliations:
  • Natural Computing Group, Leiden University, Niels Bohrweg 1, 2333 CA Leiden, The Netherlands;Natural Computing Group, Leiden University, Niels Bohrweg 1, 2333 CA Leiden, The Netherlands;Natural Computing Group, Leiden University, Niels Bohrweg 1, 2333 CA Leiden, The Netherlands;Amolf-FOM, Institute for Atomic and Molecular Physics, Kruislaan 407, 1098 SJ Amsterdam, The Netherlands

  • Venue:
  • IWINAC '07 Proceedings of the 2nd international work-conference on The Interplay Between Natural and Artificial Computation, Part I: Bio-inspired Modeling of Cognitive Tasks
  • Year:
  • 2007

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Abstract

We consider the numerical evolutionaryoptimization of dynamic molecular alignment by shaped femtosecond laser pulses. We study a simplified model of this quantum controlproblem, which allows the full physical investigation of the optimal solutions. By using specific variants of Derandomized Evolution Strategies, subject to parameterizations which are known to be superior for this problem, the numerical results reveal different conceptual physics structuresfor the different optimization procedures. These results are strong both from the algorithmic as well as from the physics perspectives. This shows that Natural Computingtechniques can be used to derive new insights into Physics.