English
Related papers

Related papers: Slow Light Effect by Photonic Angular Momentum Sta…

200 papers

We present a semi-classical theory for light deflection by a coherent $\Lambda$-type three-level atomic medium in an inhomogeneous magnetic field or an inhomogeneous control laser. When the atomic energy levels (or the Rabi coupling by the…

Quantum Physics · Physics 2014-03-05 D. L. Zhou , Lan Zhou , R. Q. Wang , S. Yi , C. P. Sun

Based on the concept of sub-wavelength imaging through compensated bilayer of anisotropic metamaterials (AMMs), which is an expansion of the perfect lens configuration, we propose two dimensional prism pair structures of compensated AMMs…

Optics · Physics 2009-11-13 Junming Zhao , Yijun Feng , Bo Zhu , Tian Jiang

Photonic crystals are periodic systems that consist of dielectrics with different refractive indices. They are designed to act on photons in contrast to semiconductor crystals whose periodicity affects the motion of electrons. Here we…

Materials Science · Physics 2012-06-07 Renat Kh. Gainutdinov , Marat A. Khamadeev , Myakzyum Kh. Salakhov

Strong optical forces with minimal spontaneous emission are desired for molecular deceleration and atom interferometry applications. We report experimental benchmarking of such a stimulated optical force driven by ultrafast laser pulses. We…

Atomic Physics · Physics 2019-07-23 Xueping Long , Scarlett S. Yu , Andrew M. Jayich , Wesley C. Campbell

Light carrying orbital angular momentum (OAM) has potential to impact a wide variety of applications ranging from optical communications to quantum information and optical forces for the excitation and manipulation of atoms, molecules, and…

We demonstrate on-demand control of localized surface plasmons in metamaterials by means of incident light polarization. An asymmetric mode, selectively excited by s-polarized light, interfere destructively with a bright element, thereby…

Quantum Physics · Physics 2010-10-12 Hua Xu , Byoung Seung Ham

Leptophilic sub-MeV spin-1 dark matter (DM) can be converted into a photon via inelastic scattering with a free electron or absorption by a neutral hydrogen atom in the primordial plasma. We study for the first time the impact of the energy…

Cosmology and Nongalactic Astrophysics · Physics 2026-05-11 Gabriele Montefalcone , Nicola Bellomo , Kimberly K. Boddy

The preferentially (220) orientated polycrystalline silicon films have been fabricated by performing photon-involved rapid thermal annealing upon amorphous silicon films. In contrast, conventional thermal annealing of the silicon amorphous…

Materials Science · Physics 2017-01-16 NuoFu Chen , Quanli Tao , Yiming Bai , Shaolin Ruan , Jikun Chen

The visionary work of Veselago had inspired intensive research efforts over the last decade, towards the realization of man-made structures with unprecedented electromagnetic (EM) properties. These structures, known as metamaterials, are…

Optics · Physics 2020-06-16 Stavroula Foteinopoulou

Today, it is well known that light possesses a linear momentum which is along the propagation direction. Besides, scientists also discovered that light can possess an angular momentum (AM), a spin angular momentum (SAM) associated with…

Optics · Physics 2020-07-15 Andy Chong , Chenhao Wan , Jian Chen , Qiwen Zhan

Optically-induced phase transitions of the manganite $\rm Pr_{1/3}Ca_{2/3}MnO_3$ have been simulated using a model Hamiltonian, that captures the dynamics of strongly correlated charge, orbital, lattice, and spin degrees of freedom. Its…

Strongly Correlated Electrons · Physics 2020-12-01 Sangeeta Rajpurohit , Liang Z. Tan , Christian Jooss , P. E. Blöchl

Photonic metasurfaces are ultrathin electromagnetic wave-molding metamaterials providing the missing link for the integration of nanophotonic chips with nanoelectronic circuits. An extra twist in this field originates from spin-optical…

Massless particles, including photons, are not governed by particle conservation law during their typical interaction with matter even at low energies, and thus have no chemical potential. However, in driven systems, near equilibrium…

Quantum Physics · Physics 2018-05-22 Chiao-Hsuan Wang , Jacob M. Taylor

Plasmonics enables the miniaturization of photonic devices beyond the optical diffraction limit,yet its potential is hindered by inherently large ohmic losses. Hence, it is prudent to explore low loss alternatives to the current mainstay of…

Recently, the spectral manipulation of single photons has been achieved through spatial-temporal modulation of the optical refractive index. Here, we generalize this mechanism to massive particles, i.e. realizing the acceleration or…

Optics · Physics 2022-04-26 Mai Zhang , Xie-hang Yu , Xin-Biao Xu , Guang-Can Guo , Chang-Ling Zou

Active and analog tuning of the phase of light is needed to boost the switching performance of photonic devices. However, demonstrations of this type of tuning in the pivotal visible spectral region are still scarce. Herein we report active…

We report a significant advancement in ultra low power light-by-light phase modulation using open semiconductor microcavities in the strong light-matter coupling regime. We achieve cross-phase modulation of up to 247$\pm$17 mrad per…

The plasma phase at high temperatures of a strongly coupled gauge theory can be holographically modelled by an AdS black hole. Matter in the fundamental representation and in the quenched approximation is introduced through embedding…

High Energy Physics - Theory · Physics 2010-10-27 Carlos Hoyos , Karl Landsteiner , Sergio Montero

In a diffraction-limited storage ring (DLSR), the momentum acceptance (MA) might be limited by the half integer resonances (HIRs) excited by focusing errors, associated with the large detuning terms from the strong focusing and strong…

Accelerator Physics · Physics 2016-12-21 Yi Jiao , Zhe Duan

We present an experimental demonstration to manipulate the width and position of the down-converted beam waist. Our results can be used to engineer the two-photon orbital angular momentum (OAM) entangled states (such as concentrating OAM…

Quantum Physics · Physics 2009-11-10 Zhi-Wei Wang , Xi-Feng Ren , Yun-Feng Huang , Yong-Sheng Zhang , Guang-Can Guo