English
Related papers

Related papers: Photonic Interactions with Semiconducting Barrier …

200 papers

We present velocity map imaging data on intramolecular ion-pair dissociation (IPD) of carbonyl sulfide (OCS) induced by electron impact over the 20 eV to 45 eV energy range. Two distinct IPD pathways were resolved: CO+ + S- (threshold 14.8…

Atomic and Molecular Clusters · Physics 2026-04-21 Narayan Kundu , Soumya Ghosh , Dhananjay Nandi

In this work, we analyze the creation of the discharge asymmetry and the concomitant formation of the DC self-bias voltage in capacitively coupled radio frequency plasmas driven by multi-frequency waveforms, as a function of the electrode…

Plasma Physics · Physics 2024-06-19 R. U. Masheyeva , K. N. Dzhumagulova , M. Myrzaly , J. Schulze , Z. Donko

We investigate a semiconductor $p$-$n$ junction in contact with superconducting leads that is operated under forward bias as a light-emitting diode. The presence of superconductivity results in a significant increase of the…

Mesoscale and Nanoscale Physics · Physics 2015-05-12 Patrik Hlobil , Peter P. Orth

We study the effect of a surface modification at the interface between metallic electrodes and semiconducting substrate in Semi-Insulating GaAs (SI-GaAs) based photoconductive emitters (PCE) on the emission of Tera-Hertz (THz) radiation. We…

Mesoscale and Nanoscale Physics · Physics 2013-07-01 Abhishek Singh , Harshad Surdi , V. V. Nikesh , S. S. Prabhu , G. H. Döhler

The practical viability of any qubit technology stands on long coherence times and high-fidelity operations, with the superconducting qubit modality being a leading example. However, superconducting qubit coherence is impacted by broken…

Enhancement of radiative coupling efficiency between out-of-plane excitonic emitters in an indium selenide (InSe) film and an integrated waveguide formed by silicon (Si) Mie-resonant nanodisks is experimentally studied. Photoluminescence…

We investigate ionization at a solid-water interface in applied electric field. We attach an electrode to a dielectric film bearing silanol or carboxyl groups with an areal density $\Gamma_0$, where the degree of dissociation $\alpha$ is…

Soft Condensed Matter · Physics 2016-09-29 Ryuichi Okamoto , Akira Onuki

Surface damage caused by ionizing radiation in SiO$_2$ passivated silicon particle detectors consists mainly of the accumulation of a positively charged layer along with trapped-oxide-charge and interface traps inside the oxide and close to…

Silicon photonics is being extended from the near-infrared (near-IR) window of 1.3-1.5 {\mu}m for optical fiber communications to the mid-infrared (mid-IR) wavelength-band of 2 {\mu}m or longer for satisfying the increasing demands in many…

The heteroepitaxy of III-V semiconductors on silicon is a promising approach for making silicon a photonic platform for on-chip optical interconnects and quantum optical applications. Monolithic integration of both material systems is a…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 M. Wiesner , W. -M. Schulz , C. Kessler , M. Reischle , R. Rossbach , M. Jetter , P. Michler

It is well known that superconducting waveguides strongly attenuate the propagation of electromagnetic waves with frequencies beyond the superconducting gap. In circuit QED, the interaction between non-linear charge qubits and…

Quantum Physics · Physics 2025-05-16 Harsh Arora , Jay Deshmukh , Ansh Das , R. Vijay , Baladitya Suri

We developed a prototype reactor generating surface dielectric barrier discharges (SDBDs) in ambient air, designed for consistent operation while preventing constructive material degradation. It features detachable stainless steel…

The mid-infrared (MIR) spectral range is of immense use for civilian and military applications. The large number of vibrational absorption bands in this range can be used for gas sensing, process control and spectroscopy. In addition, there…

We propose a new energy conversion approach from a dc electric field to a terahertz wave based on hybrid semiconductors by combining two-dimensional (2D) crystalline layers and a thick conducting material with possible applications as a…

Mesoscale and Nanoscale Physics · Physics 2015-09-02 Godfrey Gumbs , Andrii Iurov , Danhong Huang , Wei Pan

By coupling silicon nanowires (~150 nm diameter, 20 micron length) with an {\Omega}-shaped plasmonic nanocavity we are able to generate broadband visible luminescence, which is induced by high-order hybrid nanocavity-surface plasmon modes.…

Materials Science · Physics 2015-06-18 Carlos O. Aspetti , Chang-Hee Cho , Rahul Agarwal , Ritesh Agarwal

In this work, the radiation responses of silicon photonic passive devices built in silicon-on-insulator (SOI) technology are investigated through high energy neutron and 60Co gamma-ray irradiation. The wavelengths of both micro-ring…

Two-dimensional (2D) crystals of semiconducting transition metal dichalcogenides (TMD) absorb a large fraction of incident photons in the visible frequencies despite being atomically thin. It has been suggested that the strong absorption is…

The quest for a spin-polarized organic light emitting diode (spin-OLED) is a common goal in the emerging fields of molecular electronics and spintronics. In this device two ferromagnetic electrodes are used to enhance the…

Mesoscale and Nanoscale Physics · Physics 2019-04-15 J. P. Prieto-Ruiz , S. G. Miralles , H. Prima-García , A. Løpez-Munoz , A. Riminucci , P. Graziosi , M. Cinchetti , V. A. Dediu , E. Coronado

Semiconductor quantum dots (QDs) provide an essential link between light and matter in emerging fields such as light-harvesting, all-solid-state quantum communication, and quantum computing. QDs are excellent single-photon sources and can…

Mesoscale and Nanoscale Physics · Physics 2015-03-17 Mads Lykke Andersen , Søren Stobbe , Anders Søndberg Sørensen , Peter Lodahl

Radiative and non-radiative charge carrier recombination in thin-film diodes plays a key role in determining the efficiency of electronic devices made of next generation semiconductors such as organic, perovskite and nanocrystals. In this…

Applied Physics · Physics 2019-08-06 Oskar J. Sandberg , Ardalan Armin