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46 papers
Observations of Ultrafast Superfluorescent Beatings in a Cesium Atomic Vapor Excited by Femtosecond Laser Pulses
Gombojav O. Ariunbold, Vladimir A. Sautenkov, Hebin Li +7
Spontaneous emission from individual atoms in vapor lasts nanoseconds, if not microseconds, and beatings in this emission involve only directly excited energy sublevels. In contras…
Ultrafast dephasing in hydrogen-bonded pyridine-water mixtures
Gombojav O. Ariunbold, Bryan Semon, Supriya Nagpal +1
Hydrogen-bonded mixtures with varying concentration are a complicated networked system that demands a detection technique with both time and frequency resolutions. Hydrogen-bonded…
Creation of quantum entangled states of Rydberg atoms via chirped adiabatic passage
Elliot Pachniak, Svetlana A. Malinovskaya
Entangled states are crucial for modern quantum enabled technology which makes their creation key for future developments. In this paper, a robust quantum control methodology is pr…
Improvement of photovoltaic efficiency by Fano coherence
Dong Sun, Hui Long, Hongyi Lin +1
We show that Fano resonance in the decay channels of a three-level system can lead to considerably absorption enhancement and emission suppression. We found that a coherence built…
Active control of coherent dynamics in hybrid plasmonic MoS2 monolayers with dressed phonons
Yuba Poudel, Gary N. Lim, Mojtaba Moazzezi +5
The near-field interaction due to a strong electromagnetic field induced by resonant localized plasmons can result in a strong coupling of excitonic states or formation of hybrid e…
Magnus expansion method for two-level atom interacting with few-cycle pulse
Tuguldur Begzjav, Jonathan S. Ben-Benjamin, Hichem Eleuch +3
Using the Magnus expansion to the fourth order, we obtain analytic expressions for the atomic state of a two-level system driven by a laser pulse of arbitrary shape with small puls…