激光器
共振(粒子物理)
级联
声子
占空比
量子级联激光器
波长
光电子学
功率密度
材料科学
凝聚态物理
光学
原子物理学
物理
化学
功率(物理)
量子力学
色谱法
作者
Yuhao Jin,Jinghao Li,Yun Da Chua,Kian Hua Tan,Satrio Wicaksono,Carlo Sirtori,Soon Fatt Yoon,Qi Jie Wang
摘要
An InP-based quantum cascade laser structure emitting at a wavelength of 13.6 μm is proposed and demonstrated. The active region is based on a diagonal transition and three-phonon-resonance design. A 5 mm long, 30 μm wide high-reflection coated device with a double channel ridge waveguide structure has shown a threshold current density of 3.0 kA/cm2, a dynamic range of 4.4 kA/cm2, a peak output power close to 1 W, and an average optical power up to 11.7 mW at 3% duty cycle, at 293 K. The laser shows a characteristic temperature T0 of 314 K and T1 of 336 K over a temperature range from 283 to 313 K.
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