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. 2011 Feb 14;108(10):3848–3853. doi: 10.1073/pnas.1012054108

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Fig. 4. — Arithmetic with polarization-phased 2D electronic spectra. (A) The combination yields a cross-peak specific spectrum, which eliminates diagonal signals and emphasizes the A₃–B₃ cross-peak (blue arrow) over the B₅–A₅ cross-peak (red arrow). (B) Cross-peak orientational factors illustrate how the relative amplitudes of the cross-peaks in (A) and Fig. 2 differ. (C) Relative dipole angle dependence on the ratio S_zyzy/S_zzyy for a population transfer cross-peak.

Inline graphic — Arithmetic with polarization-phased 2D electronic spectra. (A) The combination yields a cross-peak specific spectrum, which eliminates diagonal signals and emphasizes the A₃–B₃ cross-peak (blue arrow) over the B₅–A₅ cross-peak (red arrow). (B) Cross-peak orientational factors illustrate how the relative amplitudes of the cross-peaks in (A) and Fig. 2 differ. (C) Relative dipole angle dependence on the ratio S_zyzy/S_zzyy for a population transfer cross-peak.