English
Related papers

Related papers: Efficient integrated quantum memory for light

200 papers

A high-storage efficiency and long-lived quantum memory for photons is an essential component in long-distance quantum communication and optical quantum computation. Here, we report a 78% storage efficiency of light pulses in a cold atomic…

We design and implement an atomic frequency comb quantum memory for 793 nm wavelength photons using a monolithic cavity based on a thulium-doped Y$_3$Al$_5$O$_{12}$ (Tm:YAG) crystal. Approximate impedance matching results in the absorption…

Quantum Physics · Physics 2020-05-06 Jacob H. Davidson , Pascal Lefebvre , Jun Zhang , Daniel Oblak , Wolfgang Tittel

Long-duration quantum memories for photonic qubits are essential components for achieving long-distance quantum networks and repeaters. The mapping of optical states onto coherent spin-waves in rare earth ensembles is a particularly…

Quantum Physics · Physics 2022-03-24 Antonio Ortu , Adrian Holzäpfel , Jean Etesse , Mikael Afzelius

Quantum memory for flying optical qubits is a key enabler for a wide range of applications in quantum information science and technology. A critical figure of merit is the overall storage-and-retrieval efficiency. So far, despite the recent…

Quantum Physics · Physics 2018-02-02 P. Vernaz-Gris , K. Huang , M. Cao , A. S. Sheremet , J. Laurat

On-demand and efficient storage of photons is an essential element in quantum information processing and long-distance quantum communication. Most of the quantum memory protocols require bulk systems in order to store photons. However, with…

Quantum Physics · Physics 2023-01-31 Chanchal , G. P. Teja , Sandeep K. Goyal

Large-scale quantum networks will employ telecommunication-wavelength photons to exchange quantum information between remote measurement, storage, and processing nodes via fibre-optic channels. Quantum memories compatible with…

A light-storage experiment with a total (storage and retrieval) efficiency $\eta=58 \pm 5%$ is carried out by enclosing a sample, with a single pass absorption of 10%, in an impedance-matched cavity. The experiment is carried out using the…

Quantum Physics · Physics 2015-07-07 Mahmood Sabooni , Qian Li , Stefan Kröll , Lars Rippe

We present an efficient photon-echo experiment based on atomic frequency combs [Phys. Rev. A 79, 052329 (2009)]. Echoes containing an energy of up to 35% of that of the input pulse are observed in a Pr3+-doped Y2SiO5 crystal. This material…

Optically linked solid-state quantum memories such as color centers in diamond are a promising platform for distributed quantum information processing and networking. Photonic integrated circuits (PICs) have emerged as a crucial enabling…

Quantum memory capable of storage and retrieval of flying photons on demand is crucial for developing quantum information technologies. However, the devices needed for long-distance links are quite different from those envisioned for local…

An efficient quantum storage is highly desired for quantum information processing. As indicated by certain applications, a universal quantum storage is required to have a storage efficiency above 50% to beat the no-cloning limit. Although…

Quantum Physics · Physics 2017-08-02 Jianfeng Li , Yunfei Wang , Shanchao Zhang , Junyu He , Aiqin Cheng , Hui Yan , Shi-Liang Zhu

Microwave-optical transducers and quantum memories are fundamental components of quantum repeaters, essential for developing a quantum internet in which solid-state quantum computers serve as nodes interconnected by optical fibers for data…

Quantum memories for light are essential components in quantum technologies like long-distance quantum communication and distributed quantum computing. Recent studies have shown that long optical and spin coherence lifetimes can be observed…

A quantum memory that can store quantum states faithfully and retrieve them on demand has wide applications in quantum information science. An efficient quantum memory in the microwave regime working alongside quantum processors based on…

Quantum Physics · Physics 2021-11-11 Zenghui Bao , Zhiling Wang , Yukai Wu , Yan Li , Cheng Ma , Yipu Song , Hongyi Zhang , Luming Duan

We report on coherent and multi-temporal mode storage of light using the full atomic frequency comb memory scheme. The scheme involves the transfer of optical atomic excitations in Pr3+:Y2SiO5 to spin-waves in the hyperfine levels using…

Microwave quantum memory represents a critical component for quantum radars and resource-efficient approaches to quantum error correction. Superconducting microwave resonators provide highly efficient storage, long coherence times,…

The deployment of a fully-fledged quantum internet poses the challenge of finding adequate building-blocks for entanglement distribution between remote quantum nodes. An ideal system would combine propagation in optical fibres with quantum…

Quantum memory is the core device for the construction of large-scale quantum networks. For scalable and convenient practical applications, integrated optical memories, especially on-chip optical memories, are crucial requirements because…

Quantum Physics · Physics 2020-12-07 Tian-Xiang Zhu , Chao Liu , Liang Zheng , Zong-Quan Zhou , Chuan-Feng Li , Guang-Can Guo

Quantum memories for light will be essential elements in future long-range quantum communication networks. These memories operate by reversibly mapping the quantum state of light onto the quantum transitions of a material system. For…

Quantum Physics · Physics 2018-04-27 Miloš Rančić , Morgan P. Hedges , Rose L. Ahlefeldt , Matthew J. Sellars

Photonic quantum memory is the core element in quantum information processing (QIP). For the scalable and convenient practical applications, great efforts have been devoted to the integrated quantum memory based on various waveguides…

Quantum Physics · Physics 2021-01-01 Chao Liu , Tian-Xiang Zhu , Ming-Xu Su , You-Zhi Ma , Zong-Quan Zhou , Chuan-Feng Li , Guang-Can Guo