Nuevo conocimiento - NAT

URI permanente para esta colecciónhttp://hdl.handle.net/10906/78210

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Analytical optimal pulse shapes obtained with the aid of genetic algorithms
(American Institute of Physics Inc., 2015-09-28) Reyes, Andrés
We propose a methodology to design optimal pulses for achieving quantum optimal control on molecular systems. Our approach constrains pulse shapes to linear combinations of a fixed number of experimentally relevant pulse functions. Quantum optimal control is obtained by maximizing a multi-target fitness function using genetic algorithms. As a first application of the methodology, we generated an optimal pulse that successfully maximized the yield on a selected dissociation channel of a diatomic molecule. Our pulse is obtained as a linear combination of linearly chirped pulse functions. Data recorded along the evolution of the genetic algorithm contained important information regarding the interplay between radiative and diabatic processes. We performed a principal component analysis on these data to retrieve the most relevant processes along the optimal path. Our proposed methodology could be useful for performing quantum optimal control on more complex systems by employing a wider variety of pulse shape functions. © 2015 AIP Publishing LLC.
Erratum: “Conditions for one-photon coherent phase control in isolated and open quantum systems”
(2010-02-07) Brumer, Paul
Coherent control of observables using the phase properties of weak light that induces one-photon transitions is considered. Measurable properties are shown to be categorizable as either class A, where control is not possible, or class B, where control is possible. Using formal arguments, we show that phase control in open systems can be environmentally assisted.

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Examinando Nuevo conocimiento - NAT por Autor "Arango Mambuscay Carlos Alberto"