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Unexpectedly Slow Two Particle Decay of Ultra-Dense Excitons in Cuprous Oxide
Laszlo Frazer, Richard D. Schaller, J. B. Ketterson
For an ultra-dense exciton gas in cuprous oxide (CuO), exciton-exciton interactions are the dominant cause of exciton decay. This study demonstrates that the accepted Auger rec…
Third Harmonic Generation in Cuprous Oxide: Efficiency Determination
Laszlo Frazer, Richard D. Schaller, Kelvin Chang +2
The efficiency of third harmonic generation in cuprous oxide was measured. Intensities followed a non-cubic power law which indicates nonperturbative behavior. Polarization anisotr…
Low-threshold stimulated emission using colloidal quantum wells
Chunxing She, Igor Fedin, Dmitriy S. Dolzhnikov +4
Semiconductor nanocrystals can be synthesized using inexpensive, scalable, solution-based techniques, and their utility as tunable light emitters has been demonstrated in various a…
Structural and Electronic Recovery Pathways of a Photoexcited Ultrathin VO2 Film
Haidan Wen, Lu Guo, Eftihia Barnes +10
The structural and electronic recovery pathways of a photoexcited ultrathin VO2 film at nanosecond time scales have been studied using time-resolved x-ray diffraction and transient…