Nonlinear optical activity measurement spectroscopy of coupled multi-chromophore systems

Jun H. Choi, Minhaeng Cho

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

A theoretical description of two-dimensional circularly polarized photon echo (2D CP PE) spectroscopy, which is an extension of the photon echo spectroscopy, is presented. The CP PE is a differential photon echo spectroscopy utilizing left- and right-circularly polarized beam and is a nonlinear optical activity measurement tool for studying chiral molecule and coupled multi-chromophore system. Particularly, the latter is mainly considered here and it is shown that the detailed excitation transfer pathways of an electronically coupled multi-chromophore system can be revealed by examining the time-resolved 2D CP PE spectrum. The Fenna-Matthews-Olson light-harvesting complex is considered in detail to demonstrate the advantages and characteristic differences of the CP PE method in comparison to other linear and nonlinear optical spectroscopic techniques.

Original languageEnglish
Pages (from-to)57-70
Number of pages14
JournalChemical Physics
Volume341
Issue number1-3
DOIs
Publication statusPublished - 2007 Nov 15

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optical activity
Chromophores
chromophores
echoes
Photons
Spectroscopy
photons
spectroscopy
Molecules
excitation
molecules

Keywords

  • Nonlinear optical activity
  • Photon echo
  • Two-dimensional spectroscopy

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Spectroscopy
  • Atomic and Molecular Physics, and Optics

Cite this

Nonlinear optical activity measurement spectroscopy of coupled multi-chromophore systems. / Choi, Jun H.; Cho, Minhaeng.

In: Chemical Physics, Vol. 341, No. 1-3, 15.11.2007, p. 57-70.

Research output: Contribution to journalArticle

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