Strain mapping by measurement of the degree of polarization of photoluminescence

DT Cassidy, SKK Lam, B Lakshmi, DM Bruce - Applied optics, 2004 - opg.optica.org
A technique is described for the simultaneous measurement of the difference in the normal
components of strain and of the shear strain in luminescent III-V material from the degree of …

Bonding stress and reliability of high power GaAs-based lasers

D Lisak, DT Cassidy, AH Moore - IEEE Transactions on …, 2001 - ieeexplore.ieee.org
GaAs-based lasers were bonded to oxygen-free high-conductivity (OFHC) copper heat sinks
using a eutectic PbSn solder or a silver-filled conductive epoxy, and life tested. Epoxy …

Polarized cathodoluminescence for strain measurement

M Fouchier, N Rochat, E Pargon… - Review of Scientific …, 2019 - pubs.aip.org
Strain can alter the properties of semiconductor materials. The selection of a strain
measurement technique is a trade-off between sensitivity, resolution, and field of view …

Polarization of the output of InGaAsP semiconductor diode lasers

DT Cassidy, CS Adams - IEEE journal of quantum electronics, 1989 - ieeexplore.ieee.org
Measurements of the degree of polarization (rho) of the output of 1.3-mu m InGaAsP
semiconductor diode lasers as a function of current are discussed. It is found that rho …

TM/TE polarization tuning and switching in tensile strained p-AlGaAs/GaAsP/n-AlGaAs heterostructures by uniaxial compression

EV Bogdanov, H Kissel, KI Kolokolov… - Semiconductor …, 2016 - iopscience.iop.org
Numerical calculations and experimental results show that, for the broad range of tensile
strained p-Al x Ga 1− x As/GaAs 1− y P y/n-Al x Ga 1− x As heterostructures widely used in …

Bonding stress measurements from the degree of polarization of facet emission of AlGaAs superluminescent diodes

PD Colbourne, DT Cassidy - IEEE journal of quantum …, 1991 - ieeexplore.ieee.org
Mechanical stress induced by bonding AlGaAs superluminescent diodes to Cu, SiC, or
diamond heat sinks using 40% Pb-60% Sn or 80% Au-20% Sn solder has been observed …

Quantitative strain analysis in AlGaAs-based devices

JW Tomm, A Gerhardt, R Müller, ML Biermann… - Applied physics …, 2003 - pubs.aip.org
We present a strategy for quantitative spectroscopic analysis of packaging-induced strain
using both finite element analysis and band-structure calculations. This approach holds for a …

Strain measurement and estimation of photoelastic effects and strain‐induced optical gain change in ridge waveguide lasers

J Yang, DT Cassidy - Journal of applied physics, 1995 - pubs.aip.org
Measurement of the strain in the plane of the active region for 1.3 pm InGaAsP ridge
waveguide lasers is presented. A strain model is examined and compared with experimental …

Characterization of effects of plane-front solidification and heat treatment on magnetic properties of Bi/MnBi composites

R Pirich - IEEE Transactions on Magnetics, 1980 - ieeexplore.ieee.org
Eutectic Bi/MnBi composites (3.2 volume percent MnBi) have been plane-front directionally
solidified using the Bridgman-Stockbarger method. For the growth velocity range …

The effect of external stress on the properties of AlGaAs/GaAs single quantum well laser diodes

H Zhu, K Liu, C Xiong, S Feng, C Guo - Microelectronics Reliability, 2015 - Elsevier
The change of spectrum of the AlGaAs/GaAs single quantum well laser diode is measured
under the application of uniform uniaxial in-plane tensile and compressive stress. In the …