Improvement of photovoltaic efficiency by Fano coherence
classification
⚛️ physics.optics
keywords
fanoabsorptioncoherenceemissionleadarisesatomicbalance
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read the original abstract
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 up in the ground doublet states, with strength depending on a coupling parameter that arises from the Fano interference, can in principle lead to breaking of the detail balance between the absorption and emission processes in atomic systems.
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