Towards Photon-Number-Encoded High-dimensional Entanglement from a Sequentially Excited Quantum Three-Level System

التفاصيل البيبلوغرافية
العنوان: Towards Photon-Number-Encoded High-dimensional Entanglement from a Sequentially Excited Quantum Three-Level System
المؤلفون: Vajner, Daniel A., Kewitz, Nils D., von Helversen, Martin, Wein, Stephen C., Karli, Yusuf, Kappe, Florian, Remesh, Vikas, da Silva, Saimon F. Covre, Rastelli, Armando, Weihs, Gregor, Anton-Solanas, Carlos, Heindel, Tobias
سنة النشر: 2024
المجموعة: Condensed Matter
Physics (Other)
Quantum Physics
مصطلحات موضوعية: Quantum Physics, Condensed Matter - Mesoscale and Nanoscale Physics, Physics - Optics
الوصف: The sequential resonant excitation of a 2-level quantum system results in the emission of a state of light showing time-entanglement encoded in the photon-number-basis - notions that can be extended to 3-level quantum systems as discussed in a recent proposal. Here, we report the experimental implementation of a sequential two-photon resonant excitation process of a solid-state 3-level system, constituted by the biexciton-, exciton-, and ground-state of a semiconductor quantum dot. The resulting light state exhibits entanglement in time and energy, encoded in the photon-number basis, which could be used in quantum information applications, e.g., dense information encoding or quantum communication protocols. Performing energy- and time-resolved correlation experiments in combination with extensive theoretical modelling, we are able to partially retrieve the entanglement structure of the generated state.
Comment: 14 pages (including 5 figures, 56 citations)
نوع الوثيقة: Working Paper
URL الوصول: http://arxiv.org/abs/2407.05902
رقم الأكسشن: edsarx.2407.05902
قاعدة البيانات: arXiv