2001
DOI: 10.1063/1.1398579
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Two-dimensional Fourier transform electronic spectroscopy

Abstract: Two-dimensional Fourier transform electronic spectra of the cyanine dye IR144 in methanol are used to explore new aspects of optical 2D spectroscopy on a femtosecond timescale. The experiments reported here are pulse sequence and coherence pathway analogs of the two-dimensional magnetic resonance techniques known as COSY (correlated spectroscopy) and NOESY (nuclear Overhauser effect spectroscopy). Noncollinear three pulse scattering allows selection of electronic coherence pathways by choice of phase matching … Show more

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Cited by 363 publications
(410 citation statements)
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“…Degenerate multidimensional spectroscopy experiments have traditionally been performed in a background-free, four-wave mixing phase-matched geometry (1). With the advent and development of pulse-shaping technology, it is now possible to take advantage of techniques routinely used in NMR, such as phase cycling, and apply them to nonlinear optical spectroscopy (16).…”
mentioning
confidence: 99%
“…Degenerate multidimensional spectroscopy experiments have traditionally been performed in a background-free, four-wave mixing phase-matched geometry (1). With the advent and development of pulse-shaping technology, it is now possible to take advantage of techniques routinely used in NMR, such as phase cycling, and apply them to nonlinear optical spectroscopy (16).…”
mentioning
confidence: 99%
“…Phase-sensitive two-dimensional electronic spectroscopy permits observation and characterization of population and coherence dynamics (15). The experimental and theoretical details for this spectroscopy have been described elsewhere (16)(17)(18)(19). In essence, the data from 2D spectroscopy can be interpreted as a correlation map (ω τ ,ω t ) of the "input" energy, ℏω τ , and the "output" energy, ℏω t .…”
Section: Resultsmentioning
confidence: 99%
“…In FWM experiments, the first three laser pulses generate third-order polarization signals that obey wave-vector phase-matching conditions and then can be heterodyne-detected by a fourth pulse serving as a local oscillator [13]. Measuring the polarization in the wave-vector-matched direction has the advantage of spatially ruling out undesired signals, such as the pure rephasing signal obtained in photon echo spectroscopy [14].…”
Section: Introductionmentioning
confidence: 99%