Robust atom-photon gate for quantum information processing

التفاصيل البيبلوغرافية
العنوان: Robust atom-photon gate for quantum information processing
المؤلفون: Nagib, Omar, Huft, P., Safari, A., Saffman, M.
المصدر: Phys. Rev. A 109, 032602 (2024)
سنة النشر: 2023
المجموعة: Physics (Other)
Quantum Physics
مصطلحات موضوعية: Quantum Physics, Physics - Atomic Physics
الوصف: We propose a scheme for two-qubit gates between a flying photon and an atom in a cavity. The atom-photon gate setup consists of a cavity and a Mach-Zehnder interferometer with doubly degenerate ground and excited state energy levels mediating the atom-light interaction. We provide an error analysis of the gate and model important errors, including spatial mode mismatch between the photon and the cavity, spontaneous emission, cavity losses, detunings, and random fluctuations of the cavity parameters and frequencies. Error analysis shows that the gate protocol is more robust against experimental errors compared to previous atom-photon gates and achieves higher fidelity.
Comment: 6 figures, final version
نوع الوثيقة: Working Paper
DOI: 10.1103/PhysRevA.109.032602
URL الوصول: http://arxiv.org/abs/2312.13221
رقم الأكسشن: edsarx.2312.13221
قاعدة البيانات: arXiv
الوصف
DOI:10.1103/PhysRevA.109.032602