Double-waveguide quantum cascade laser

作者：Blanchard Romain; Grezes Cecile; Menzel Stefan; Pfluegl Christian; Diehl Laurent; Huang Yong; Ryou Jae Hyun; Dupuis Russell D; Capasso Federico^*

来源：Applied Physics Letters, 2012, 100(3): 033502.

DOI：10.1063/1.3678033

We demonstrate 1.1W peak power at room-temperature from a double-waveguide quantum cascade laser (QCL) grown by metal-organic chemical vapor deposition. Two full broadband QCL active regions were grown on top of each other separated by thick cladding layers to reduce gain competition. Simultaneous lasing on Fabry-Perot modes separated by as much as 360 cm(-1) is obtained. This design paves the way for high-brightness broadband mid-infrared sources, as well as more complex three-terminal devices.

• 出版日期2012-1-16