484 citations · 3k across the 64 of their papers we have counts for
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cond-mat.other2010★ 39 cited
Extraction-Controlled Quantum Cascade Lasers
Andreas Wacker
A simple two-well design for terahertz quantum cascade lasers is proposed which is based on scattering injection and the efficient extraction of electrons from the lower laser leve…
cond-mat.other2004★ 86 cited
Self-Consistent Theory of the Gain Linewidth for Quantum Cascade Lasers
F. Banit, S. -C. Lee, A. Knorr +1
The linewidth in intersubband transitions can be significantly reduced below the sum of the lifetime broadening for the involved states, if the scattering environment is similar fo…