Long-wavelength VCSELs: Status and prospects

A Babichev, S Blokhin, E Kolodeznyi, L Karachinsky… - Photonics, 2023 - mdpi.com
Single-mode long-wavelength (LW) vertical-cavity surface-emitting lasers (VCSELs) present
an inexpensive alternative to DFB-lasers for data communication in next-generation giga …

Quantitative description of disorder parameters in (GaIn)(NAs) quantum wells from the temperature-dependent photoluminescence spectroscopy

O Rubel, M Galluppi, SD Baranovskii, K Volz… - Journal of applied …, 2005 - pubs.aip.org
Photoluminescence in (GaIn)(NAs) quantum wells designed for laser emission was studied
experimentally and theoretically. The observed temperature dependences of the …

Interactions between nitrogen, hydrogen, and gallium vacancies in alloys

A Janotti, SH Wei, SB Zhang, S Kurtz, CG Van de Walle - Physical Review B, 2003 - APS
The effects of H on the interaction between Ga vacancies V Ga and N in GaAs 1− x N x dilute
alloys are studied through first-principles total-energy calculations. We find that N binds to …

Methods for preparing patterned media for high-density recording

JC Lodder - Journal of magnetism and magnetic materials, 2004 - Elsevier
The areal bit density of magnetic disk recording has made a colossal increase over the last
decades. Extrapolation leads to recording parameters not likely to be achieved without …

Recent developments in metastable dilute-N III–V semiconductors

PJ Klar - Progress in Solid State Chemistry, 2003 - Elsevier
Metastable III–N–V semiconductors are a subgroup of a recently discovered new class of III–
V and II–VI semiconductor alloys. Band gap engineering is achieved in these alloys by …

Generation and collection of photocarriers in dilute nitride GaInNAsSb solar cells

N Miyashita, N Ahsan, Y Okada - Progress in Photovoltaics …, 2016 - Wiley Online Library
An improved photocurrent production is demonstrated in dilute nitride GaInNAsSb solar cells
grown by molecular beam epitaxy. The photovoltaic properties were investigated by …

Carrier diffusion in low-dimensional semiconductors: A comparison of quantum wells, disordered quantum wells, and quantum dots

A Fiore, M Rossetti, B Alloing, C Paranthoen… - Physical Review B …, 2004 - APS
We present a comparative study of carrier diffusion in semiconductor heterostructures with
different dimensionality [InGaAs quantum wells (QWs), InAs quantum dots (QDs), and …

Nanoscale analysis of the In and N spatial redistributions upon annealing of GaInNAs quantum wells

JM Chauveau, A Trampert, KH Ploog… - Applied physics …, 2004 - pubs.aip.org
By using transmission electron microscopy on as-grown and annealed GaInNAs/GaAs
heterostructures, we demonstrate that annealing induces a correlated behavior of both In …

Open circuit voltage recovery in GaAsSbN-based solar cells: Role of deep N-related radiative states

A Gonzalo, L Stanojević, AD Utrilla, DF Reyes… - Solar Energy Materials …, 2019 - Elsevier
In this work we investigate the effect of rapid thermal annealing (RTA) on the performance of
solar cells consisting of different GaAsSbN-based structures and correlate the device results …

Photoreflectance investigations of the energy level structure in GaInNAs-based quantumwells

J Misiewicz, R Kudrawiec, K Ryczko… - Journal of Physics …, 2004 - iopscience.iop.org
In this paper, we present the application of photoreflectance (PR) spectroscopy to
investigate the energy level structure of GaInNAs-based quantum wells (QWs). Series of …