Author:
Lin Tong,Chen Xiaotong,Xu Rui,Luo Jiaming,Zhu Hanyu
Abstract
Linearly and circularly polarized phonons in monolayer WS2 are directly excited by resonant infrared pulses. The dynamics of coherent and incoherent chiral phonons are measured by time-resolved Raman spectroscopy and reveal possible depolarization mechanisms.