Bloch-Wave Interferometry of Driven Quasiparticles in Bulk GaAs
Materials Science
2023-05-23 v1 Optics
Quantum Physics
Abstract
We report that the polarizations of sidebands emitted from bulk gallium arsenide (GaAs) driven by a strong terahertz (THz) laser while probed with a weak near-infrared laser can be viewed as interferograms from a Michelson-like interferometer for Bloch waves. A simple analytical model is introduced to calculate the difference in quantum mechanical phases accumulated by Bloch waves associated with electron-heavy hole and electron-light hole pairs in their respective interferometer arms. The measured and calculated spectra are in good quantitative agreement, including scaling with THz field strength. Our results indicate a simple way to extract material parameters in future experiments
Keywords
Cite
@article{arxiv.2305.12245,
title = {Bloch-Wave Interferometry of Driven Quasiparticles in Bulk GaAs},
author = {Seamus D. O'Hara and Joseph B. Costello and Qile Wu and Ken West and Loren Pfeiffer and Mark S. Sherwin},
journal= {arXiv preprint arXiv:2305.12245},
year = {2023}
}