GaAs/AlGaAs Core-Shell Nanowires

Near-room-temperature low-threshold random lasing

AlGaAs shell suppresses defects and significantly enhances emission, enabling room-temperature random lasing with low threshold, promising for efficient near-infrared light sources and on-chip optical interconnects.

Meng, Bingheng · Kang, Yubin · Zhang, Xuanyu · Yu, Xuanchi · Tang, Jilong · Hao, Qun · Wei, Zhipeng · Chen, Rui

ACS Applied Materials & Interfaces 2024

Specifications

Room-temperature lasing threshold

{'zh': '约 70.16', 'en': '~70.16'} mW/cm²

Advantages

Emission enhanced by about 2 orders of magnitude at low temperatures