Jeffrey A. Davis

TL;DR: A technique for two-color photon echo spectroscopy is developed to selectively excite the pathway of interest and measure its evolution in the absence of any other excitation, providing detailed experimental evidence of the long-lived coherences and the nature of the quantum mechanical interactions between electronic states and phonon modes in phycocyanin-645 from cryptophyte marine algae.

TL;DR: This work employs controlled impurity doping to increase the rate of radiative recombination and demonstrates lasing from a nanomaterial that combines high radiative efficiency with a picosecond carrier lifetime ready for high speed applications.

TL;DR: Decoherence on the time scale of the excited state lifetime allows low energy oscillations on the signal intensity to be observed and these oscillations provide clear and direct experimental evidence that the persistent coherences observed originate from quantum superpositions among vibronic excited states.

TL;DR: In this paper, the relative angle between electronic transition dipole moments of chlorophyll excitation energy transfer pairs in their local protein environments without relying on simulations or an X-ray crystal structure was determined.