The transfer matrix method and the theory of finite periodic systems. From heterostructures to superlattices

P Pereyra - physica status solidi (b), 2022 - Wiley Online Library
Historically, the physics, energy spectrum, and wave functions of superlattices have had
different levels of understanding. Unlike the standard approaches, based on theorems for …

Effects of electronic current overflow and inhomogeneous carrier distribution on InGaN quantum-well laser performance

YK Kuo, YA Chang - IEEE journal of quantum electronics, 2004 - ieeexplore.ieee.org
Laser performance of several InGaN quantum-well (QW) lasers with an emission
wavelength of 392-461 nm are numerically studied with a LASTIP simulation program …

Simulation of N-face InGaN-based pin solar cells

JY Chang, YK Kuo - Journal of Applied Physics, 2012 - pubs.aip.org
GaN/InGaN pin solar cells with N-face are simulated. In contrast to the detrimental effect of
normal polarization, the internal electric field induced by reversed polarization enhances the …

Effect of band-offset ratio on analysis of violet–blue InGaN laser characteristics

YK Kuo, BT Liou, ML Chen, SH Yen, CY Lin - Optics communications, 2004 - Elsevier
The characteristics of the violet–blue InGaN quantum-well lasers with an emission
wavelength of 400–480 nm when the band-offset ratio of the InxGa1− xN/InyGa1− yN …

Eigenvalues, eigenfunctions, and surface states in finite periodic systems

P Pereyra - Annals of Physics, 2005 - Elsevier
Using a simple approach that requires neither the Bloch functions nor the reciprocal lattice,
new, compact, and rigorous analytical formulas are derived for an accurate evaluation of …

Enhancement of light power for blue InGaN LEDs by using low-indium-content InGaN barriers

YK Kuo, MC Tsai, SH Yen, TC Hsu… - IEEE Journal of …, 2009 - ieeexplore.ieee.org
The optical properties of blue InGaN LEDs that emit in a spectral range from 410 to 445 nm
are theoretically investigated by using the APSYS simulation program. It is found that the …

Theory of finite periodic systems: The eigenfunctions symmetries

P Pereyra - Annals of Physics, 2017 - Elsevier
Using the analytical expressions for the genuine eigenfunctions φ μ ν (z) and eigenvalues E
μ, ν, of open, bounded and quasi-bounded finite periodic systems, we derive the …

The effects of crystallographic orientation and strain on the properties of excitonic emission from wurtzite InGaN/GaN quantum wells

S Khatsevich, DH Rich - Journal of Physics: Condensed Matter, 2008 - iopscience.iop.org
We have examined in detail crystal orientation effects on the properties of excitonic emission
from wurtzite In x Ga 1− x N/GaN quantum wells (QWs) with piezoelectric polarization using …

Time-resolved cathodoluminescence study of carrier relaxation, transfer, collection, and filling in coupled multiple and single quantum wells

S Khatsevich, DH Rich, S Keller, SP DenBaars - Physical Review B …, 2007 - APS
We have examined in detail the optical properties and carrier capture dynamics of coupled
In x Ga 1− x N∕ Ga N multiple and single quantum well (MQW and SQW) structures that …

Design strategies for InGaN-based green lasers

A Venkatachalam, B Klein, JH Ryou… - IEEE journal of …, 2009 - ieeexplore.ieee.org
A design parameter subspace is explored to suggest epitaxial layer structures which
maximize gain spectral density at a target wavelength for green In¿ Ga 1-¿ N-based single …