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arXiv:2305.12245 (cond-mat)
[Submitted on 20 May 2023]

Title:Bloch-Wave Interferometry of Driven Quasiparticles in Bulk GaAs

Authors:Seamus D. O'Hara, Joseph B. Costello, Qile Wu, Ken West, Loren Pfeiffer, Mark S. Sherwin
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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
Subjects: Materials Science (cond-mat.mtrl-sci); Optics (physics.optics); Quantum Physics (quant-ph)
Cite as: arXiv:2305.12245 [cond-mat.mtrl-sci]
  (or arXiv:2305.12245v1 [cond-mat.mtrl-sci] for this version)
  https://doi.org/10.48550/arXiv.2305.12245

Submission history

From: Seamus O'Hara [view email]
[v1] Sat, 20 May 2023 17:34:22 UTC (6,989 KB)
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