A quantum dot laser is a semiconductor laser that uses quantum dots as the active medium for stimulated emission of light. Due to quantum confinement of charge carriers in all three spatial directions, their energy spectrum in quantum dots is discrete and resembles that in atoms.
A quantum dot laser is a semiconductor laser that uses quantum dots as the active medium for stimulated emission of light. Due to quantum confinement of charge carriers in all three spatial directions, their energy spectrum in quantum dots is discrete and resembles that in atoms.
Source: Wikipedia "Quantum dot laser" · CC BY-SA 4.0
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