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The exploitation of multimodality in different degrees of freedom is one of the most promising ways to increase the rate of heralded entanglement between distant quantum nodes. In this paper, we realize a spatially-multiplexed solid-state…

We propose a setup for quantum memory based on a single two-level atom in a half cavity with a moving mirror. We show that various temporal shapes of incident photon can be efficiently stored and readout by shaping the time-dependent decay…

Quantum Physics · Physics 2013-05-30 Yimin Wang , Jiří Minář , Gabriel Hétet , Valerio Scarani

In this work we report about the fundamental correspondence between the high efficiency of the broadband quantum memory on multifrequency absorbers in the single-mode cavity and the topology of the observed frequency lines. We have found…

Quantum Physics · Physics 2025-02-06 N. S. Perminov , S. A. Moiseev

Quantum memories feature a reversible conversion of optical fields into long-lived atomic spin waves, and are therefore ideal for operating as sensitive atomic sensors. However, up to now, atom-light interferometers have lacked an efficient…

Spectrally multiplexed telecom quantum networks require quantum memories that combine efficient storage with programmable frequency addressing. An ideal integrated implementation should therefore unite a native telecom transition, efficient…

Quantum Physics · Physics 2026-05-15 Chengdong Yang , Hanwen Guo , Yu-Yang An , Qian He , Chi Lu , Ziheng Jiang , Yan-Qing Lu , Shining Zhu , Xiao-Song Ma

Using four-wave mixing in a hot atomic vapor, we generate a pair of entangled twin beams in the microsecond pulsed regime near the D1 line of $^{85}$Rb, making it compatible with commonly used quantum memory techniques. The beams are…

Quantum Physics · Physics 2020-01-30 Quentin Glorieux , Jeremy B. Clark , Neil V. Corzo , Paul D. Lett

The long-lived, efficient storage and retrieval of a qubit encoded on a photon is an important ingredient for future quantum networks. Although systems with intrinsically long coherence times have been demonstrated, the combination with an…

Quantum Physics · Physics 2017-12-13 M. Körber , O. Morin , S. Langenfeld , A. Neuzner , S. Ritter , G. Rempe

Correlated microwave photon sources are key enablers for technologies in quantum-limited sensing, signal amplification and communication, but the reliance on millikelvin operating temperature limits their scalability for broader…

Quantum Physics · Physics 2026-02-03 Qiuyuan Wang , Aravind Karthigeyan , Chung-Tao Chou , Luqiao Liu

Quantum memory is one of key ingredients consisting of quantum networks, therefore storing light at single photon level is an important step for realizing quantum networks. A photon, encoded in a high-dimensional state, can significantly…

Quantum Physics · Physics 2015-06-04 Dong-Sheng Ding , Jing-Hui Wu , Zhi-Yuan Zhou , Yang Liu , Bao-Sen Shi , Xu-Bo Zou , Guang-Can Guo

Parametric resonances and amplification have led to extraordinary photoinduced phenomena in pump-probe experiments. While these phenomena manifest themselves in out-of-equilibrium settings, here, we present the striking result of parametric…

Quantum Physics · Physics 2024-09-13 H. P. Ojeda Collado , Marios H. Michael , Jim Skulte , Angel Rubio , Ludwig Mathey

Optical quantum memory is an essential element for long distance quantum communication and photonic quantum computation protocols. The practical implementation of such protocols requires an efficient quantum memory with long coherence time.…

Atomic frequency combs memories that coherently store optical signals are a key building block for optical quantum computers and quantum networks. Integrating such memories into compact and chip-scale devices is essential for scalable…

Quantum Physics · Physics 2021-11-23 Subhojit Dutta , Yuqi Zhao , Uday Saha , Demitry Farfurnik , Elizabeth A. Goldschmidt , Edo Waks

Broadband spin-photon interfaces for long-lived storage of photonic quantum states are key elements for quantum information technologies. Yet, reliable operation of such memories in the quantum regime is challenging due to photonic noise…

Quantum Physics · Physics 2019-09-18 Erhan Saglamyurek , Taras Hrushevskyi , Logan Cooke , Anindya Rastogi , Lindsay J. LeBlanc

We propose an optomechanical scheme for reaching quantum entanglement in vibration polaritons. The system involves $N$ molecules, whose vibrations can be fairly entangled with plasmonic cavities. We find that the vibration-photon…

Quantum Physics · Physics 2024-05-28 Jian Huang , Dangyuan Lei , Girish S. Agarwal , Zhedong Zhang

We demonstrate the storage and on-demand retrieval of single-photon-level telecom pulses in a fiber cavity. The cavity is formed by fiber Bragg gratings at either end of a single-mode fiber. Photons are mapped into, and out of, the cavity…

Temporal modes of photons are a promising encoding scheme for high-dimensional quantum networks due to their high channel capacity and fiber compatibility. However, realizing their full potential requires devices capable of synchronizing,…

A $\gamma$-ray-nuclear quantum interface is suggested as a new platform for quantum information processing, motivated by remarkable progresses in $\gamma$-ray quantum optics. The main advantages of a $\gamma$ photon over an optical photon…

The reversible transfer of the quantum information between a photon, an information carrier, and a quantum memory with high fidelity and reliability is the prerequisite for realizing a long-distance quantum communication and a quantum…

Entangled multi-spatial-mode fields have interesting applications in quantum information, such as parallel quantum information protocols, quantum computing, and quantum imaging. We study the use of a nondegenerate four-wave mixing process…

Quantum Physics · Physics 2009-11-13 Raphael C Pooser , Vincent Boyer , Alberto M. Marino , Paul D. Lett

To support emerging applications ranging from holographic communications to extended reality, next-generation mobile wireless communication systems require ultra-fast and energy-efficient (UFEE) baseband processors. Traditional…

Signal Processing · Electrical Eng. & Systems 2022-05-10 Qunsong Zeng , Jiawei Liu , Jun Lan , Yi Gong , Zhongrui Wang , Yida Li , Kaibin Huang