Optimal feedback control of two-photon fluorescence based on genetic algorithm

  • Yu Xu
  • , Shi An Zhang
  • , Liang Zhang
  • , Zhen Rong Sun
  • , Xiang Yun Zhang
  • , Guo Liang Chen
  • , Zu Geng Wang
  • , Ru Xin Li
  • , Zhi Zhan Xu

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

An optimal feedback control of two-photon fluorescence in the ethanol solution of 4-dicyanomethylene-2-methyl-6-p-dimethyl-aminostryryl-4H-pyran (DCM) using pulse-shaping technique based on genetic algorithm is demonstrated experimentally. The two-photon fluorescence of the DCM ethanol solution is enhanced in intensity of about 23%. The second harmonic generation frequency-resolved optical gating (SHG-FROG) trace indicates that the effective population transfer arises from the positively chirped pulse. The experimental results appear the potential applications of coherent control to the complicated molecular system.

Original languageEnglish
Pages (from-to)2557-2560
Number of pages4
JournalChinese Physics Letters
Volume22
Issue number10
DOIs
StatePublished - 1 Oct 2005

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