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We proposed multilayered graphene (Gr)-based surface plasmon resonance-induced high-performance terahertz (THz) modulators with tunable resonance frequencies. Several THz plasmonic modulators based on Gr metamaterials were previously…

Optics · Physics 2024-05-17 Dip Sarker , Partha Pratim Nakti , Ahmed Zubair

Plasma accelerators sustain extreme field gradients, and potentially enable future compact linear colliders. Although tremendous progress has been achieved in accelerating electron beams in a plasma accelerator, positron acceleration with…

Accelerator Physics · Physics 2022-10-03 S. Diederichs , C. Benedetti , M. Thévenet , E. Esarey , J. Osterhoff , C. B. Schroeder

Transversely loaded bidimensional-magneto-optical-traps (2D-MOT) have been recently developed as high flux sources for cold strontium atoms to realize a new generation of compact experimental setups. Here, we discuss on the implementation…

At the Fermilab Booster, and many other proton facili-ties, an intense proton beam is accumulated by multi-turn injection of an H- beam through a stripping foil. The circu-lating beam scatters off the injection foil and large-angle Coulomb…

Accelerator Physics · Physics 2019-12-09 J. Eldred , C. M. Bhat , S. Chaurize , V. Lebedev , S. Nagaitsev , K. Seiya , C. Y. Tan , R. J. Tesarek

Plasma wakefield acceleration (PWFA) is a promising method for reducing the scale and cost of future electron-positron collider experiments by using shorter plasma sections to enhance beam energy. While electron acceleration has already…

Accelerator Physics · Physics 2024-01-12 Meiyu Si , Yongsheng Huang

Several experimental collaborations worldwide intend to test sterile neutrino models by measuring the disappearance of antineutrinos produced via isotope decay at rest (IsoDAR). The most advanced of these proposals have very similar setups,…

Instrumentation and Detectors · Physics 2018-01-22 Emilio Ciuffoli , Hosam Mohammed , Jarah Evslin , Fengyi Zhao , Maksym Deliyergiyev

Magnon-polaritons provide a room-temperature platform for investigating nonlinear cavity quantum electrodynamics in the microwave domain, but experimentally observing controlled transitions among distinct nonlinear attractors remains…

Quantum Physics · Physics 2026-05-01 Hao Wu , Qichun Liu , Yuanbin Fan , Yulong Liu , Qing Zhao

We investigate by particle-in-cell simulations in two and three dimensions the laser-plasma interaction and the proton acceleration in multilayer targets where a low density "near-critical" layer of a few micron thickness is added on the…

Plasma Physics · Physics 2015-06-03 Andrea Sgattoni , Pasquale Londrillo , Andrea Macchi , Matteo Passoni

An all-optical centimeter-scale laser-plasma positron accelerator is modeled to produce quasi-monoenergetic beams with tunable ultra-relativistic energies. A new principle elucidated here describes the trapping of divergent positrons that…

Plasma Physics · Physics 2018-08-15 Aakash A. Sahai

Soliton frequency comb generation in coupled nonlinear microcavities is attractive because a coupled microcavity offers more flexibility and possibilities compared to a single nonlinear microcavity. In this paper, we investigate how an…

Optics · Physics 2023-08-14 Zihao Cheng , Dongmei Huang , Feng Li , Chao Lu , P. K. A. Wai

We reveal the existence of polariton soliton solutions in the array of weakly coupled optical cavities, each containing an ensemble of interacting qubits. An effective complex Ginzburg-Landau equation is derived in the continuum limit…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 I. -H. Chen , Y. Y. Lin , Y. -C. Lai , E. S. Sedov , A. P. Alodjants , S. M. Arakelian , R. -K. Lee

The proposed cyclotron gas-stopping scheme for the efficient thermalization of intense rare isotope beams is examined. Simulations expand on previous studies and expose many complications of such an apparatus arising from physical effects…

Nuclear Experiment · Physics 2008-11-26 M. Sternberg , G. Savard

In analogy to the observed for single plasmon-polaritons, we show that subdiffractional hyperbolic phonon-polariton (HP2) modes confined in hexagonal boron nitride (hBN) nanocrystals feature wave-particle duality. First, we use Synchrotron…

Realizing multiply resonant photonic crystal cavities with large free spectral range is key to achieve integrated devices with highly efficient nonlinear response, such as frequency conversion, four-wave mixing, and parametric oscillation.…

Synchrotron radiation with the characteristic of high brilliance, high level of polarization, high collimation, low emittance and wide tunability in energy has been used as a standard source in metrology(1, 2). For a decade, lots of…

Instrumentation and Detectors · Physics 2019-08-17 LI Hua-Peng , Kun Tang , Yi-Dong Zhao , Lei Zheng , Shu-Hu Liu , Xiao-Liang Zhao , Ya-Shuai Zhao

Narrow bandwidth, high energy photon sources can be generated by Thomson scattering of laser light from energetic electrons, and detailed control of the interaction is needed to produce high quality sources. We present analytic calculations…

Plasma Physics · Physics 2014-12-09 S. G. Rykovanov , C. G. R. Geddes , J. -L. Vay , C. B. Schroeder , E. Esarey , W. P. Leemans

The Low-Energy Muon beamline (LEM) at the Paul Scherrer Institute currently stands as the world's only facility providing a continuous beam of low-energy muons with keV energies for conducting muon spin rotation experiments on a nanometer…

Instrumentation and Detectors · Physics 2025-02-25 Gianluca Janka , Maria Mendes Martins , Xiaojie Ni , Zaher Salman , Andreas Suter , Thomas Prokscha

Relativistic positron sources with high spin polarization have important applications in nuclear and particle physics and many frontier fields. However, it is challenging to produce dense polarized positrons. Here we present a simple and…

Plasma Physics · Physics 2024-05-22 Xing-Long Zhu , Wei-Yuan Liu , Tong-Pu Yu , Min Chen , Su-Ming Weng , Wei-Min Wang , Zheng-Ming Sheng

Light propagation through multimode fibers suffers from spatial distortions that lead to a scrambled intensity profile. In previous work, the correction of such distortions using various wavefront control methods has been demonstrated in…

Previous studies have considered synchrotron as the emission mechanism for prompt Gamma-Ray Bursts (GRBs). These works have shown that the electrons must cool on a timescale comparable to the dynamic time at the source in order to satisfy…

High Energy Astrophysical Phenomena · Physics 2018-02-28 Paz Beniamini , Rodolfo Barniol Duran , Dimitrios Giannios
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