Researchers have found a way to make “dark excitons”—normally invisible quantum states of light—shine dramatically brighter by trapping them inside a tiny gold-nanotube optical cavity. This breakthrough boosts their emission 300,000-fold and allows scientists to switch and tune them with unprecedented precision. The work unlocks new possibilities for ultrafast photonics, on-chip quantum communication, and exploring previously unreachable quantum states in 2D materials.
from Latest Science News -- ScienceDaily https://ift.tt/7YjuRJ2
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