Continuous-variable quantum optics and resource theory for ultrafast semiconductor spectroscopy
Abstract
In this review, we discuss the use of continuous variable spectroscopy techniques for investigating quantum coherence and light-matter interactions in semiconductor systems with ultrafast dynamics. We focus on multichannel homodyne detection as a powerful tool to measure the quantum coherence and the full density matrix of a polariton system. By monitoring the temporal decay of quantum coherence in the polariton condensate, we observe coherence times exceeding the nanosecond scale. Our findings, supported by proof-of-concept experiments and numerical simulations, demonstrate the enhanced resourcefulness of the produced system states for modern quantum protocols. The combination of tailored resource quantifiers and ultrafast spectroscopy techniques presented here paves the way for future applications of quantum information technologies.
Cite
@article{arxiv.2306.01550,
title = {Continuous-variable quantum optics and resource theory for ultrafast semiconductor spectroscopy},
author = {Carolin Lüders and Franziska Barkhausen and Matthias Pukrop and Elena Rozas and Jan Sperling and Stefan Schumacher and Marc Aßmann},
journal= {arXiv preprint arXiv:2306.01550},
year = {2023}
}
Comments
54 pages, 15 figures