Electromagnetically Induced Transparency of On-demand Single Photons in a Hybrid Quantum Network

Long range quantum communication and quantum information processing require the development of light-matter interfaces for distributed quantum networks. Even though photons are ideal candidates for network links to transfer quantum information, the system of choice for the realization of quantum nod...

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Published inarXiv.org
Main Authors Schweickert, Lucas, Jöns, Klaus D, Namazi, Mehdi, Cui, Guodong, Lettner, Thomas, Zeuner, Katharina D, Lara Scavuzzo Montaña, Saimon Filipe Covre da Silva, Reindl, Marcus, Huang, Huiying, Trotta, Rinaldo, Rastelli, Armando, Zwiller, Val, Figueroa, Eden
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 17.08.2018
Subjects
Data processing
Photonics
Photons
Quantum dots
Quantum phenomena
Quantum theory
Rubidium
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Summary:Long range quantum communication and quantum information processing require the development of light-matter interfaces for distributed quantum networks. Even though photons are ideal candidates for network links to transfer quantum information, the system of choice for the realization of quantum nodes has not been identified yet. Ideally, one strives for a hybrid network architecture, which will consist of different quantum systems, combining the strengths of each system. However, interfacing different quantum systems via photonic channels remains a major challenge because a detailed understanding of the underlying light-matter interaction is missing. Here, we show the coherent manipulation of single photons generated on-demand from a semiconductor quantum dot using a rubidium vapor quantum memory, forming a hybrid quantum network. We demonstrate the engineering of the photons' temporal wave function using four-level atoms and the creation of a new type of electromagnetic induced transparency for quantum dot photons on resonance with rubidium transitions. Given the short lifetime of our quantum dot transition the observed dynamics cannot be explained in the established steady-state picture. Our results play a pivotal role in understanding quantum light-matter interactions at short time scales. These findings demonstrate a fundamental active node to construct future large-scale hybrid quantum networks.
ISSN:2331-8422