皮秒超声观测太赫兹量子级联激光器中的带折叠声学声子
Observation of Zone-Folded Acoustic Phonons in Terahertz Quantum Cascade Lasers using Picosecond Ultrasonics
摘要：
利用超快激光光谱技术研究了太赫兹量子级联激光器的时间分辨振动特性。通过观察声学折叠分支，并通过分析所涉及的声子模式，可以提取这些器件的准确结构信息，这对于它们的设计和性能是必不可少的。
英文摘要：
We have investigated the time-resolved vibrational properties of terahertz quantum cascade lasers by means of ultra-fast laser spectroscopy. By the observation of the acoustic folded branches, and by analyzing the involved phonon modes it is possible to extract accurate structural information of these devices, which are essential for their design and performance.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
