Two distinct measurement schemes have emerged for the new technique of
two-dimensional terahertz spectroscopy (2DTS), complicating the literature.
Here, we argue that the ‘conventional’ measurement scheme derived from nuclear
magnetic resonance and its optical-frequency analogues should be favored over
the ‘alternative’ measurement scheme implemented in the majority of 2DTS
literature. It is shown that the conventional scheme avoids issues such as
overlapping nonlinearities and facilitates physical interpretation of spectra,
in contrast to the alternative scheme.

Este artículo explora los viajes en el tiempo y sus implicaciones.

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