Which phenomenon limits the lifetime of electrons trapped in a quantum dot under continuous laser excitation?

💡 Explanation

Under laser excitation, multiple electrons can populate the quantum dot, and nonradiative Auger recombination occurs because the energy from one electron-hole recombination is transferred to another electron, ejecting it from the dot. Therefore Auger recombination limits the electron lifetime, rather than scattering, broadening, or entanglement, which affect other quantum properties.

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