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Quantum cascade laser: Temperature dependence of the Performance Quantum characteristics and high T0 operation
(1994)Applied Physics LettersJournal Article -
Narrowing of the intersubband electroluminescent spectrum in coupled‐quantum‐well heterostructures
(1994)Applied Physics LettersJournal Article -
Quantum cascade laser: an intersub-band semiconductor laser operating above liquid nitrogen temperature
(1994)Electronics LettersA unipolar intersub-band semiconductor laser operating above liquid nitrogen temperature at 4.3 µm wavelength is reported. The measured optical power in pulsed operation is 30 mW at 102 K and the slope efficiency 0.1 W/A. Strong line-narrowing above threshold and well resolved longitudinal modes are observed up to 125 K. This new light source, called the quantum cascade laser, is based on sequential photon emission in a staircase/coupled ...Journal Article -
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Mid‐infrared field‐tunable intersubband electroluminescence at room temperature by photon‐assisted tunneling in coupled‐quantum wells
(1994)Applied Physics LettersJournal Article