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威尼斯网站2020年学术报告(二):N-phonon bundle emission via the anti-Stokes process

       

报告人简介:

吕新友:华中科技大学物理学院教授,博士生导师,国家自然科学基金优秀青年基金获得者。2010年于华中科大学物理学院获博士学位;20117-20145月作为访问研究员和日本学术振兴委员会(JSPS)外国人特别研究员在日本理化学研究所(RIKEN)做博士后研究。20146月加入华中科技大学物理学院,现主要研究腔量子电动力学系统(包括光力系统)中的量子操控。

报告时间:2019年1月9日(周四)上午8:00-10:00

报告地点:10教306

报告摘要The manipulation of quantum states is one of the main topics of modern science. Here, We demonstrate theoretically the bundle emission of n strongly correlated phonons in an acoustic cavity QED system. The mechanism relies on anti-Stokes resonances that generate super-Rabi oscillations between states with a large difference in their number of excitations, which, combined with dissipation, transfer coherently pure n-phonon states outside of the cavity. This process works with close to perfect purity over a wide range of parameters and is tunable optically with well-resolved operation conditions. This broadens the realm of quantum phononics, with potential applications for on-chip quantum information processing, quantum metrology, and engineering of new types of quantum devices, such as optically heralded N -phonon guns.



 
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