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Guiding the time-evolution of a molecule: optical control by computer.
Graham A Worth1, Cristina Sanz Sanz
1School of Chemistry, University of Birmingham, UK. g.a.worth@bham.ac.uk
Physical Chemistry Chemical Physics : PCCP
|November 6, 2010
Summary
Optical control uses shaped laser pulses to guide quantum systems. Current research focuses on understanding control mechanisms and scaling methods for technological applications.
Area of Science:
- Quantum dynamics and control
- Physical chemistry
- Computational physics
Background:
- Optical control theory has matured over 25 years.
- Early methods involved multiple excitation pathways and pulse sequences.
- Optimal control theory provides a general method for system guidance.
Purpose of the Study:
- To provide an overview of current capabilities in quantum dynamics and control simulations.
- To highlight recent developments in the field.
- To discuss challenges and future directions.
Main Methods:
- Optimal control theory
- Quantum dynamics simulations
- Shaped laser pulse design
Main Results:
- Optimal control theory combined with quantum dynamics simulations is a widely used tool.
- These methods have demonstrated control over various systems.
- The field is advancing towards understanding control mechanisms and scalability.
Conclusions:
- Quantum dynamics and control simulations are powerful tools for manipulating quantum systems.
- Further research is needed to elucidate control mechanisms.
- Extending methods to larger, technologically relevant systems is a key future goal.
