| 期刊全称 | A Controlled Phase Gate Between a Single Atom and an Optical Photon | | 影响因子2023 | Andreas Reiserer | | 视频video | | | 发行地址 | Nominated as an outstanding Ph.D. thesis by the Max Planck Institute for Quantum Optics, Germany.Recognized with the Otto-Hahn Medal of the Max Planck Society.Demonstrates the nondestructive detection | | 学科分类 | Springer Theses | | 图书封面 |  | | 影响因子 | This thesis reports on major steps towards the realization of scalable quantum networks. It addresses the experimental implementation of a deterministic interaction mechanism between flying optical photons and a single trapped atom. In particular, it demonstrates the nondestructive detection of an optical photon. To this end, single rubidium atoms are trapped in a three-dimensional optical lattice at the center of an optical cavity in the strong coupling regime. Full control over the atomic state — its position, its motion, and its electronic state — is achieved with laser beams applied along the resonator and from the side. When faint laser pulses are reflected from the resonator, the combined atom-photon state acquires a state-dependent phase shift. In a first series of experiments, this is employed to nondestructively detect optical photons by measuring the atomic state after the reflection process. Then, quantum bits are encoded in the polarization of the laser pulse and in the Zeeman state of the atom. The state-dependent phase shift mediates a deterministic universal quantum gate between the atom and one or two successively reflected photons, which is used to generate entangl | | Pindex | Book 2016 |
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发表于 2025-3-21 20:03:41
