级联
量子级联激光器
激光器
光电子学
光学
栅栏
物理
量子点激光器
航程(航空)
材料科学
半导体激光器理论
化学
色谱法
复合材料
作者
Andreas Hugi,Romain Terazzi,Y. Bonetti,Angela Wittmann,Milan Fischer,Mattias Beck,Jérôme Faist,E. Gini
摘要
We present the development of a broad gain quantum cascade active region. By appropriate cascade design and using a symmetric active region arrangement, we engineer a flat gain and increase the total modal gain in the desired spectral range. Grating-coupled external cavity quantum cascade lasers using this symmetric active region are tunable from 7.6 to 11.4 μm with a peak optical output power of 1 W and an average output power of 15 mW at room-temperature. With a tuning of over 432 cm−1, this single source covers an emission range of over 39% around the center frequency.
科研通智能强力驱动
Strongly Powered by AbleSci AI