Title :
Berry phases in quantum trajectories of optically excited electron-hole pairs in semiconductors under intense terahertz fields
Author :
Fan Yang ; Ren-Bao Liu
Author_Institution :
Dept. of Phys., Chinese Univ. of Hong Kong, Hong Kong, China
Abstract :
In semiconductors, the quantum trajectories of electron-hole pairs under strong terahertz fields accumulate Berry phases. For monolayer MoS2 with time-reversal related valleys, the Berry phases appear as the Faraday rotation angles of the emission signal.
Keywords :
Berry phase; Faraday effect; molybdenum compounds; monolayers; quantum optics; semiconductor materials; terahertz wave spectra; Berry phases; Faraday rotation angles; MoS2; emission signal; intense terahertz fields; monolayer; optically excited electron-hole pairs; quantum trajectories; semiconductors; time-reversal related valleys; Berry phase; Faraday effect; Optical polarization; Optical pulses; Semiconductor lasers; Trajectory;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA