3 W Continuous-Wave Room Temperature Quantum Cascade Laser Grown by Metal-Organic Chemical Vapor Deposition
Fei Teng, Shenqiang Zhai, Jinchuan Zhang, Quanyong Lu, Ning Zhuo, Junqi Liu, Lijun Wang, Shuman Liu, Zhiwei Jia, Kun Li, Yongqiang Sun, Kai Guo, Fengqi Liu
Abstract
In this article, we report a high-performance λ ~ 4.6 μm quantum cascade laser grown by metal-organic chemical vapor deposition. Continuous wave power of 3 W was obtained from an 8 mm-long and 7.5 μm wide coated laser at 285 K. The maximum pulsed and CW wall-plug efficiency reached 15.4% and 10.4%, respectively. The device performance shows the great potential of metal-organic chemical vapor deposition growth for quantum cascade material and devices.
Topics & Concepts
Chemical vapor depositionCascadeMaterials scienceLaserContinuous waveQuantum cascade laserMetalorganic vapour phase epitaxyDeposition (geology)OptoelectronicsMetalPulsed laser depositionThin filmAnalytical Chemistry (journal)OpticsNanotechnologyChemical engineeringChemistryMetallurgyOrganic chemistryPhysicsEpitaxyTerahertz radiationSedimentPaleontologyEngineeringBiologyLayer (electronics)Spectroscopy and Laser ApplicationsLaser Design and ApplicationsAtmospheric Ozone and Climate