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We demonstrate the generation of photons within a fiber-cavity quantum memory, followed by later on-demand readout. Signal photons are generated by spontaneous four-wave mixing in a fiber cavity comprising a birefringent fiber with dichroic…

Quantum emitters inside optical cavities can create not only fixed photon number states but also photon number wave packets, which are states with a finite photon number distribution that oscillates in time. These states emerge when the…

Quantum Physics · Physics 2025-09-04 Luca Nimmesgern , Moritz Cygorek , Doris E. Reiter , Vollrath Martin Axt

We report the observation of photon generation in a microwave cavity with a time-dependent boundary condition. Our system is a microfabricated quarter-wave coplanar waveguide cavity. The electrical length of the cavity is varied using the…

Quantum Physics · Physics 2011-01-13 C. M. Wilson , T. Duty , M. Sandberg , F. Persson , V. Shumeiko , P. Delsing

Quantum correlated, highly non-degenerate photons can be used to synthesize disparate quantum nodes and link quantum processing over incompatible wavelengths, thereby constructing heterogeneous quantum systems for otherwise unattainable…

Optics · Physics 2017-09-14 Yong Meng Sua , Heng Fan , Amin Shahverdi , Jia-Yang Chen , Yu-Ping Huang

Vacuum-stimulated Raman scattering in strongly coupled atom-cavity systems allows one to generate free-running single photon pulses on demand. Most properties of the emitted photons are well defined, provided spontaneous emission processes…

Quantum Physics · Physics 2015-06-26 Markus Hennrich , Thomas Legero , Axel Kuhn , Gerhard Rempe

We calculate the number of photons produced by the parametric resonance in a cavity with vibrating walls. We consider the case that the frequency of vibrating wall is $n \omega_1 (n=1,2,3,...)$ which is a generalization of other works…

Quantum Physics · Physics 2009-10-30 Jeong-Young Ji , Hyun-Hee Jung , Jong-Woong Park , Kwang-Sup Soh

We propose that neutrons may be generated in high-energy, high-flux photon environments via photo-induced reactions on pre-existing baryons. These photohadronic interactions are expected to occur in astrophysical jets and surrounding…

High Energy Astrophysical Phenomena · Physics 2025-07-08 Matthew R. Mumpower , Tsung-Shung H. Lee , Nicole Lloyd-Ronning , Brandon L. Barker , Axel Gross , Samuel Cupp , Jonah M. Miller

We investigate prolonged engine activities of short gamma-ray bursts (SGRBs), such as extended and/or plateau emissions, as high-energy gamma-ray counterparts to gravitational waves (GWs). Binary neutron-star mergers lead to relativistic…

High Energy Astrophysical Phenomena · Physics 2019-12-11 Shigeo S. Kimura , Kohta Murase , Kunihito Ioka , Shota Kisaka , Ke Fang , Peter Mészáros

We propose an efficient method to generate a GHZ entangled state of n photons in n microwave cavities (or resonators) via resonant interaction to a single superconducting qutrit. The deployment of a qutrit, instead of a qubit, as the…

Quantum Physics · Physics 2015-06-04 Chui-Ping Yang , Qi-Ping Su , Siyuan Han

Enhancing nonlinear optical effects is critical to improving the performance of many functional devices for nonlinear and quantum optical applications. Here we study the possibility of bending a waveguide to enhance the photon pair…

Optics · Physics 2024-07-16 Maria Paszkiewicz-Idzik , Carsten Rockstuhl

We propose a universal and nontrivial scheme to transmit and generate an arbitrary W state for multiple cavities via an optomechanical interface. In transmission and generation processes, high fidelity can be obtained by optimizing the…

Quantum Physics · Physics 2022-11-08 Rui-Xia Wang

The conversion and interaction between quantum signals at a single-photon level are essential for scalable quantum photonic information technology. Using a fully-optimized, periodically-poled lithium niobate microring, we demonstrate…

Optics · Physics 2021-05-04 Jia-Yang Chen , Zhan Li , Zhaohui Ma , Chao Tang , Heng Fan , Yong Meng Sua , Yu-Ping Huang

Many studies have shown that high-energy $\gamma$-photon beams can be efficiently generated via nonlinear Compton scattering driven by laser pulses with intensities $> 10^{22}\rm{W/cm^2}$ recently available in laboratories. Here, we propose…

Accelerator Physics · Physics 2024-01-12 Zhe Gao , Wei-Min Wang

We report on the efficient generation of single photons, making use of spontaneous Raman scattering in a single trapped ion. The photons are collected through in-vacuum high-NA objectives. Photon frequency, polarization and temporal shape…

Quantum Physics · Physics 2013-05-13 Christoph Kurz , Jan Huwer , Michael Schug , Philipp Müller , Jürgen Eschner

We experimentally demonstrate sum-frequency generation (SFG) with entangled photon-pairs, generating as many as 40,000 SFG photons per second, visible even to the naked eye. The nonclassical nature of the interaction is exhibited by a…

Quantum Physics · Physics 2007-05-23 Barak Dayan , Avi pe'er , Asher A. Friesem , Yaron Silberberg

G54.1+0.3 is a Crab-like pulsar wind nebula (PWN) with the highest $\gamma$-ray to X-ray luminosity ratio among all the nebulae driven by young rotation-powered pulsars. We model the spectral evolution of the PWN and find it difficult to…

High Energy Astrophysical Phenomena · Physics 2015-05-19 Hui Li , Yang Chen , Li Zhang

We report an all-fiber-based experimental setup to generate a correlated photon-pair comb using Four Wave Mixing (FWM) in Highly Non-Linear Fiber (HNLF). Temporal correlations of the generated photons were confirmed through coincidence…

Quantum Physics · Physics 2024-12-05 Aryan Bhardwaj , Debanuj Chatterjee , Ashutosh Kumar Singh , Anil Prabhakar

The generation rate of entangled photons emitted from cascaded few-level systems is intrinsically limited by the lifetime of the radiative transitions. Here, we overcome this limit for entangled photon pairs from quantum dots via a novel…

Quantum random number generators play a crucial role in securing high-demand information contexts by producing true random numbers. Nevertheless, the large volume and high-cost limit their widespread use. Here, we propose a system on chip…

We propose a scheme for the controlled generation of Einstein-Podosky-Rosen (EPR) entangled photon pairs from an atom coupled to a high Q optical cavity, extending the prototype system as a source for deterministic single photons. A…

Quantum Physics · Physics 2009-11-11 D. L. Zhou , B. Sun , C. P. Sun , L. You