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It is shown that use of a photonic crystal enables to construct several types of hybrid systems with virtual cathode, which could radiate due to different radiation mechanisms (bremsstrahlung and diffraction (transition) radiation) with…

Accelerator Physics · Physics 2009-03-03 V. G. Baryshevsky , A. A. Gurinovich

A large spin-dependent and electric field-tunable magnetoresistance of a two-dimensional electron system (2DES) is a key ingredient for the realization of many novel concepts for spin-based electronic devices. The low magnetoresistance…

Materials of which the optical response is determined by their structure are of much interest both for their fundamental properties and applications. Examples range from simple gratings to photonic crystals. Obtaining control over the…

Flexible microelectronics has shown tremendous promise in a broad spectrum of applications, especially those that cannot be addressed by conventional microelectronics in rigid materials and constructions1-3. These unconventional yet…

Optics · Physics 2012-07-17 Yu Chen , Huan Li , Mo Li

Two dimensional optical materials, such as graphene can be characterized by a surface conductivity. So far, the transformation optics schemes have focused on three dimensional properties such as permittivity $\epsilon$ and permeability…

Optics · Physics 2014-12-16 Anshuman Kumar , Kin Hung Fung , M. T. Homer Reid , Nicholas Fang

We propose electrically tunable hybrid metamaterial consisting of special wire grid immersed into nematic liquid crystal. The plasma-like permittivity of the structure can be substantially varied due to switching of the liquid crystal…

Materials Science · Physics 2009-11-13 M. V. Gorkunov , M. A. Osipov

We use semiclassical Hamiltonian optics to investigate the propagation of light rays through two-dimensional photonic crystals when slow spatial modulation of the lattice parameters induces mixed stable-chaotic ray dynamics. This modulation…

Other Condensed Matter · Physics 2011-04-19 A. J. Henning , T. M. Fromhold , P. B. Wilkinson

We derive a quantum master equation to treat quantum systems interacting with multiple reservoirs. The formalism is used to investigate atomic transport across a variety of lattice configurations. We demonstrate how the behavior of an…

Quantum Physics · Physics 2015-05-19 R. A. Pepino , J. Cooper , D. Meiser , D. Z. Anderson , M. J. Holland

Altermagnetism features momentum-dependent spin splitting without net magnetization, extending spintronics beyond conventional ferromagnetism and antiferromagnetism. However, the photonic realization of altermagnetism has remained a…

Optics · Physics 2026-05-28 Sichang Qiu , Huichang Li , Yan Meng , Xiang Xi , Zebin Zhu , Ce Shang , Zhen Gao , Tie Jun Cui , Shuo Liu

Electron optics in the solid state promises new functionality in electronics through the possibility of realizing micrometer-sized interferometers, lenses, collimators and beam splitters that manipulate electrons instead of light. Until…

We put forward the concept of an optomagnonic crystal: a periodically patterned structure at the microscale based on a magnetic dielectric, which can co-localize magnon and photon modes. The co-localization in small volumes can result in…

Mesoscale and Nanoscale Physics · Physics 2021-03-29 Jasmin Graf , Sanchar Sharma , Hans Huebl , Silvia Viola Kusminskiy

Photonic crystals (PCs) are periodic dielectric structures that severed as an excellent platform to manipulate light. A conventional way to guide/trap light via PCs is to introduce a line or point defect by removing or modifying several…

Optics · Physics 2024-01-26 Zi-Mei Zhan , Peng-Yu Guo , Wei Li , Hai-Xiao Wang , Jian-Hua Jiang

We consider the creation of artificial gauge magnetic and electric fields created when a two-level atom interacts with an optical Ferris wheel light field.These fields have the spatial structure of the optical Ferris wheel field intensity…

Quantum Physics · Physics 2016-09-05 V. E. Lembessis , A. Alqarni , S. Alshamari , A. Siddig , O. M. Aldossary

We propose a method to induce strong effective interactions between photons mediated by an atomic ensemble. To achieve this, we use the so-called stationary light effect to enhance the interaction. Regardless of the single-atom coupling to…

Quantum Physics · Physics 2018-01-08 Ivan Iakoupov , Johannes Borregaard , Anders S. Sørensen

The versatile control of graphene's plasmonic modes via an external gate-voltage inspires us to design efficient electro-optical graphene plasmonic logic gates at the midinfrared wavelengths. We show that these devices are superior to the…

Mesoscale and Nanoscale Physics · Physics 2014-05-08 Kelvin J. A. Ooi , Hong Son Chu , Ping Bai , Lay Kee Ang

Photonic quantum computing offers a promising platform for quantum information processing, benefiting from the long coherence times of photons and their ease of manipulation. This paper presents a scheme for implementing a deterministic…

Quantum Physics · Physics 2025-04-22 Evangelos Varvelis , Joachim Ankerhold

Guided-wave plasmonic circuits are promising platforms for sensing, interconnection, and quantum applications in the sub-diffraction regime. Nonetheless, the loss-confinement trade-off remains a collective bottleneck for plasmonic-enhanced…

Optics · Physics 2020-11-12 Charles Lin , Pohan Chang , Yiwen Su , Amr S Helmy

Trapped ions boast long coherence times and excellent gate fidelities, making them a useful platform for quantum information processing. Scaling to larger numbers of ion qubits in RF Paul traps demands great effort. Another technique for…

Quantum Physics · Physics 2022-05-03 Anthony M. Polloreno , Ana Maria Rey , John J. Bollinger

Gratings and holograms are patterned surfaces that tailor optical signals by diffraction. Despite their long history, variants with remarkable functionalities continue to be discovered. Further advances could exploit Fourier optics, which…

Small, controllable, highly accessible quantum systems can serve as probes at the single quantum level to study multiple physical effects, for example in quantum optics or for electric and magnetic field sensing. The applicability of…

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