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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

The control of flying qubits is at the core of quantum networks. As often carried by single-photon fields, the flying-qubit control involves not only their logical states but also their shapes. In this paper, we explore a variety of…

Quantum Physics · Physics 2022-05-27 Wenlong Li , Xue Dong , Guofeng Zhang , Re-Bing Wu

A sequence of single photons is emitted on demand from a single three-level atom strongly coupled to a high-finesse optical cavity. The photons are generated by an adiabatically driven stimulated Raman transition between two atomic ground…

Quantum Physics · Physics 2009-11-07 Axel Kuhn , Markus Hennrich , Gerhard Rempe

We demonstrate a novel approach for routing guided single photons by combining atom trapping and transverse light confinement with an optical nanofiber. The direction of photon propagation, either reflection or transmission, is controlled…

Quantum Physics · Physics 2025-09-01 Jérémy Berroir , Tridib Ray , Alban Urvoy , Julien Laurat

Recent breakthroughs in solid-state photonic quantum technologies enable generating and detecting single photons with near-unity efficiency as required for a range of photonic quantum technologies. The lack of methods to simultaneously…

Manipulating photons is an essential technique in quantum communication and computation. Combining the Raman electromagnetically induced transparency technology, we show that the photon blockade behavior can be actively controlled by using…

Quantum Physics · Physics 2018-12-12 Kui Hou , Jizi Lin , Chengjie Zhu , Yaping Yang

Tailored photonic cavities allow enhancing light-matter interaction ultimately to create a fully coherent quantum interface. Here, we report on an integrated microdisk cavity containing self-assembled quantum dots to coherently route…

Quantum network facilitates the secure transmission of information between different users. Establishing communication links among multiple users in a scalable and efficient way is important for realizing a large-scale quantum network. Here…

Quantum Physics · Physics 2022-09-07 Wenjun Wen , Zhiyu Chen , Liangliang Lu , Wenhan Yan , Wenyi Xue , Peiyu Zhang , Yanqing Lu , Shining Zhu , Xiao-song Ma

Exploiting semiconductor fabrication techniques, natural carriers of quantum information such as atoms, electrons, and photons can be embedded in scalable integrated devices. Integrated optics provides a versatile platform for large-scale…

We have embedded an artificial atom, a superconducting "transmon" qubit, in an open transmission line and investigated the strong scattering of incident microwave photons ($\sim6$ GHz). When an input coherent state, with an average photon…

Quantum Physics · Physics 2012-01-11 Io-Chun Hoi , C. M. Wilson , Göran Johansson , Tauno Palomaki , Borja Peropadre , Per Delsing

Spectrally-tunable quantum-light sources are key elements for the realization of long-distance quantum communication. A deterministically fabricated single-photon source with a photon-extraction efficiency of {\eta}=(20 +- 2) % and a tuning…

Mesoscale and Nanoscale Physics · Physics 2018-05-29 S. Fischbach , M. v. Helversen , M. Schmidt , A. Kaganskiy , R. Schmidt , A. Schliwa , T. Heindel , S. Rodt , S. Reitzenstein

We theoretically explore a quantum memory using a single nanoparticle levitated in an optical dipole trap and subjected to feedback cooling. This protocol is realized by storing and retrieving a single photon quantum state from a mechanical…

Quantum Physics · Physics 2019-02-08 Pardeep Kumar , M. Bhattacharya

Deterministic GHz-rate single photon sources at room-temperature would be essential components for various quantum applications. However, both the slow intrinsic decay rate and the omnidirectional emission of typical quantum emitters are…

The capability of magnons to coherently couple with various quantum systems makes them an ideal candidate to build hybrid quantum systems. The optomagnonic coupling is essential for constructing a hybrid magnonic quantum network, as the…

Quantum Physics · Physics 2025-11-14 Zi-Xu Lu , Xuan Zuo , Zhi-Yuan Fan , Jie Li

Quamtum remote rotation allows implement local quantum operation on remote systems with shared entanglement. Here we report an experimental demonstration of remote rotation on single photons using linear optical element. And the local…

Quantum Physics · Physics 2009-11-11 Guo-Yong Xiang , Jian Li , Guang-Can Guo

Realizing an on-chip reconfigurable source of path-entangled photons is of critical importance for the advancement of quantum information processing and networking. Achieving this goal has proven challenging to date. We present an on-chip…

Optics · Physics 2017-05-23 Raja Ahmad , Ayman F. Abouraddy

Quantum networks require flying qubits that transfer information between the nodes. This may be implemented by means of single atoms (the nodes) that emit and absorb single photons (the flying qubits) and requires full control of photon…

Quantum Physics · Physics 2017-09-20 Philipp Müller , Tristan Tentrup , Marc Bienert , Giovanna Morigi , Jürgen Eschner

We present, characterize, and apply a photonic quantum interface between the near infrared and telecom spectral regions. A singly resonant optical parametric oscillator (OPO) operated below threshold, in combination with external filters,…

We propose a novel hybrid quantum gate between an atom and a microwave photon in a superconducting coplanar waveguide cavity by exploiting the strong resonant microwave coupling between adjacent Rydberg states. Using experimentally…

Quantum Physics · Physics 2015-06-17 J. D. Pritchard , J. A. Isaacs , M. A. Beck , R. McDermott , M. Saffman

We study the dynamics of a driven optomechanical cavity coupled to a charged nanomechanical resonator via Coulomb interaction. We find the tunable switch between slow-and fast- light in double-mode can be observed from the output field by…

Quantum Physics · Physics 2016-11-23 Peng-Cheng Ma , Lei-Lei Yan , Gui-Bin Chen , Xiao-Wei Li , You-Bang Zhan