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Optical orientation is a highly efficient tool for the generation of nonequilibrium spin polarization in semiconductors. Combined with spin-polarized transport it offers new functionalities for conventional electronic devices, such as pn…

Other Condensed Matter · Physics 2008-11-04 Jaroslav Fabian , Igor Zutic

The spin Hall effect of light (SHEL), which refers to a spin-dependent and transverse splitting at refraction and reflection phenomena, inherently depends on the polarization states of the incidence. Most of the previous research have…

Optics · Physics 2021-01-25 Minkyung Kim , Dasol Lee , Junsuk Rho

We experimentally address the wave-vector and polarization dependence of the internal conical refraction phenomenon by demonstrating that an input light beam of elliptical transverse profile refracts into two beams after passing along one…

Optics · Physics 2015-01-27 A. Turpin , Yu. V. Loiko , T. K. Kalkandjiev , H. Tomizawa , J. Mompart

Here, we demonstrate the radiative polarization of high-energy electron beams in collisions with ultrashort pulsed bi-chromatic laser fields. Employing a Boltzmann kinetic approach for the electron distribution allows us to simulate the…

Plasma Physics · Physics 2019-12-06 Daniel Seipt , Dario Del Sorbo , Christopher P. Ridgers , Alec G. R. Thomas

The spin Hall effect of light, a spin-dependent transverse splitting of light at an optical interface, is intrinsically an incident-polarization-sensitive phenomenon. Recently, an approach to eliminate the polarization dependence by…

Optics · Physics 2021-09-10 Minkyung Kim , Dasol Lee , Junsuk Rho

The present theoretical status of spin-dependent parton densities Delta f^{\gamma}(x,Q^2) of circularly polarized photons is briefly reviewed. It is then demonstrated that measurements of the deep-inelastic spin asymmetry A_1^{\gamma}\simeq…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. Stratmann

Model calculation and experimental data of circularly-polarized-light-dependent photocurrent in a n-AlGaAs/p-InGaAs/p-GaAs heterostructure are reported. It is found that, under the appropriate forward bias condition, spin voltaic effect…

Materials Science · Physics 2009-11-11 T. Kondo , J. Hayafuji , H. Munekata

Using a perturbative model for diffractive interactions, we derive an expression for the polarized diffractive structure function $g_1^D$ in the high energy limit. This structure function is given by the interference of diffractive…

High Energy Physics - Phenomenology · Physics 2011-09-13 J. Bartels , T. Gehrmann , M. G. Ryskin

The k-electron correlation function of a free chaotic electron beam is derived with the spin degree of freedom taken into account. It is shown that it can be expressed with the help of correlation functions for a polarized electron beam of…

Quantum Physics · Physics 2009-11-06 T. Tyc

Using scanning Kerr microscopy, we directly acquire two-dimensional images of spin-polarized electrons flowing laterally in bulk epilayers of n:GaAs. Optical injection provides a local dc source of polarized electrons, whose subsequent…

Materials Science · Physics 2009-11-10 S. A. Crooker , D. L. Smith

A review on the theoretical aspects and the experimental results of polarized deep inelastic scattering and of other hard scattering processes is presented. The following items are discussed: longitudinally polarized structure functions,…

High Energy Physics - Phenomenology · Physics 2011-01-25 Bodo Lampe , Ewald Reya

We attract attention to the fact that the ultimate (shot-noise-limited) polarimetric sensitivity can be enhanced by orders of magnitude leaving the photon flux incident onto the photodetector on the same low level. This opportunity is of…

Mesoscale and Nanoscale Physics · Physics 2014-03-14 P. Glasenapp , A. Greilich , I. I. Ryzhov , V. S. Zapasskii , D. R. Yakovlev , G. G. Kozlov , M. Bayer

We demonstrate single spin spectroscopy of a fluorescent tumbling defect in silicon called the G center, behaving as a pseudo-molecule randomly reorienting itself in the crystalline matrix. Using high-resolution spin spectroscopy, we reveal…

Detection of the degree of circular polarization of the electroluminescence of a light-emitting diode fitted with a spin injecting contact (a spin-LED) allows for a direct determination of the spin polarization of the injected carriers.…

Materials Science · Physics 2009-11-10 R. Fiederling , P. Grabs , W. Ossau , G. Schmidt , L. W. Molenkamp

The polarization dependences of the G, D, and 2D (G$'$) bands in Raman spectra at graphene bulk and edge are examined theoretically. The 2D and D bands have different selection rules at bulk and edge. At bulk, the 2D band intensity is…

Mesoscale and Nanoscale Physics · Physics 2010-11-15 K. Sasaki , K. Wakabayashi , T. Enoki

Employing the Landauer-Buttiker formula we investigate the spin and valley dependence of Seebeck effect in low-buckled Dirac materials (LBDMs), whose band structure are modulated by local application of a gate voltage and off-resonant…

Mesoscale and Nanoscale Physics · Physics 2020-11-03 Yawar Mohammadi

Motivated by a recent finding that Fresnel's phenomenological description of the optical activity in the chiral medium is not self-consistent, we conduct a thorough investigation into the nature of the polarization of a plane light wave. We…

Optics · Physics 2022-09-19 Chun-Fang Li , Zhi-Juan Hu

Spin-orbit interactions in optics traditionally describe an influence of the polarization degree of freedom of light on its spatial properties. The most prominent example is the generation of a spin-dependent optical vortex upon focusing or…

Optics · Physics 2019-03-06 Sergey Nechayev , Jörg S. Eismann , Gerd Leuchs , Peter Banzer

We propose and numerically simulate an optoelectronic compact circular polarimeter. It allows to electrically measure the degree of circular polarization and light intensity at room temperature for a wide range of incidence angles in a…

Temporally varying electromagnetic media have been extensively investigated recently to unveil new means for controlling light. However, spin-dependent phenomena in such media have not been explored thoroughly. Here, we reveal the existence…

Optics · Physics 2023-03-22 M. H. Mostafa , M. S. Mirmoosa , S. A. Tretyakov