Green Vertical-Cavity Surface-Emitting Lasers Based on InGaN Quantum Dots and Short Cavity

Autor:	Tao Yang, Yan-Hui Chen, Ya-Chao Wang, Wei Ou, Lei-Ying Ying, Yang Mei, Ai-Qin Tian, Jian-Ping Liu, Hao-Chung Guo, Bao-Ping Zhang
Jazyk:	angličtina
Rok vydání:	2023
Předmět:	Green vertical cavity surface emitting laser GaN Low threshold InGaN quantum dots Technology
Zdroj:	Nano-Micro Letters, Vol 15, Iss 1, Pp 1-11 (2023)
Druh dokumentu:	article
ISSN:	2311-6706 2150-5551
DOI:	10.1007/s40820-023-01189-0
Popis:	Highlights Continuous-wave green vertical-cavity surface-emitting lasers based on self-formed quantum dots were realized with the lowest threshold current density of 51.97 A cm−2. A short cavity (~4.0 λ, where λ is the wavelength in the media) was adopted to enhance the interaction between spontaneous emission and lasing mode, with a big coupling factor up to 0.094. AlN current confinement layer and the electroplated supporting copper plate were utilized to improve heat dissipation, with a low thermal resistance of 842 K W−1.
Databáze:	Directory of Open Access Journals
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