The recent discovery of two-dimensional (2D) magnets offers unique opportunities for the experimental exploration low-dimensional magnetism4 and magnetic proximity effects, development novel magnetoelectric, magnetooptic spintronic devices. These advancements call 2D materials with diverse structures as well effective probes their symmetries, which is key to understanding intralayer order inter...

We study experimentally and theoretically the temperature dependence of transverse magnetic routing light emission from hybrid plasmonic-semiconductor quantum well structures where exciton is routed into surface plasmon polaritons propagating along a nearby semiconductor-metal interface. In II-VI III-V direct band semiconductors magnitude governed by circular polarization optical transitions, t...

We demonstrate lasing in Metal-Insulator-Metal (MIM) waveguides filled with electrically pumped semiconductor cores, with core width dimensions below the diffraction limit. Furthermore these waveguides propagate a transverse magnetic (TM0) or so called gap plasmon mode [1-4]. Hence we show that losses in sub-wavelength MIM waveguides can be overcome to create small plasmon mode lasers at wavele...

Metal-insulator-IV-VI compound semiconductor tunnel junctions were formed for both single and polycrystalline semiconductor material. I-V and conductance characteristics were taken as a function of temperature, and magnetic field. The experimental results were interpreted in terms of a conventional tunneling theory, and yielded information on Fermi energies, band gaps, temperature dependence of...

We report on studies of electrical spin injection from ferromagnetic Fe contacts into semiconductor light emitting diodes containing single layers of InAs/GaAs self-assembled quantum dots QDs . An oblique magnetic field is used to manipulate the spin of the injected electrons in the semiconductor. This approach allows us to measure the injected steady-state spin polarization in the QDs, Pspin a...

We present a scheme of surface-sensitive nuclear magnetic resonance in optically pumped semiconductors, where an NMR signal from a part of the surface of a bulk compound semiconductor is detected apart from the bulk signal. It utilizes optically oriented nuclei with a long spin-lattice relaxation time as a polarization reservoir for the second (target) nuclei to be detected. It provides a basis...

An untraditional space-time method for describing the dynamics of high-field electron-hole wave packets in semiconductor quantum wells is presented. A finite-difference time-domain technique is found to be computationally efficient and can incorporate Coulomb, static, terahertz, and magnetic fields to all orders, and thus can be applied to study many areas of high-field semiconductor physics. S...

We probed, in the time domain, the THz electromagnetic radiation originating from spins in CdMnTe diluted magnetic semiconductor quantum wells containing high-mobility electron gas. Taking advantage of the efficient Raman generation process, the spin precession was induced by low power near-infrared pulses. We provide a full theoretical first-principles description of spin-wave generation, spin...

In recent years, quantum computing and information theory has received a great deal of attention as a means of drastically improving the computational speed and resources traditionally associated with current binary implementations. We present an electrically tunable semiconductor quantum waveguide implementation of an inverter gate in a GaAs/AlGaAs heterostructure in which the output of the wa...