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1 October 2023 Colloidal quantum dot laser diodes
Victor I. Klimov
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Proceedings Volume PC12659, Organic and Hybrid Light Emitting Materials and Devices XXVII; PC126590C (2023) https://doi.org/10.1117/12.2680375
Event: SPIE Organic Photonics + Electronics, 2023, San Diego, California, United States
Abstract
Colloidal quantum dots (QDs) are attractive materials for implementing solution-processable laser diodes. In addition to being compatible with inexpensive chemical techniques, they offer multiple advantages derived from a 0D character of their electronic states including size-tunable emission wavelengths and low optical-gain thresholds. Here we report on the realization of amplified spontaneous emission (ASE) with electrically driven QDs – an important milestone towards a QD laser diode. This effect is realized using compact, continuously graded QDs with strongly suppressed Auger recombination incorporated into a low-loss photonic waveguide integrated into a pulsed, high-current density light-emitting diode.
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Victor I. Klimov "Colloidal quantum dot laser diodes", Proc. SPIE PC12659, Organic and Hybrid Light Emitting Materials and Devices XXVII, PC126590C (1 October 2023); https://doi.org/10.1117/12.2680375
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KEYWORDS
Semiconductor lasers
Colloidal quantum dots
Electroluminescence
Quantum devices
Quantum photonics
Quantum advantages
Solids
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