Optimal dynamic discrimination of similar quantum systems with time series data

Baiqing Li, Herschel Rabitz, J. P. Wolf

Research output: Contribution to journalArticlepeer-review

39 Scopus citations


Optimal dynamic discrimination (ODD) was proposed [Li, J. Phys. Chem. B 106, 8125 (2002)] as a paradigm for discriminating noninteracting similar quantum systems in a mixture. This paper extends the ODD concept to optimize a laser control pulse for guiding similar quantum systems such that each exhibits a distinct time series signal for maximum discrimination. The use of temporal data addresses various experimental difficulties, including noise in the laser pulse, signal detection errors, and finite time resolution in the signal. Simulations of ODD with time series data are presented to explore these effects. It is found that the use of an optimally chosen control pulse can significantly enhance the discrimination quality. The ODD technique is also adapted to the case where the sample contains an unknown background species.

Original languageEnglish (US)
Article number154103
JournalJournal of Chemical Physics
Issue number15
StatePublished - Apr 15 2005

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy
  • Physical and Theoretical Chemistry


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