Mechanisms and fast kinetics of the catastrophic optical damage (COD) in GaAs‐based diode lasers

JW Tomm, M Ziegler, M Hempel… - Laser & Photonics …, 2011 - Wiley Online Library
COD diagram determined for a batch of broad‐area AlGaAs diode lasers. The time to COD
within a single current pulse is plotted versus the actual average optical power in the …

Thermoreflectance spectroscopy—Analysis of thermal processes in semiconductor lasers

D Pierścińska - Journal of Physics D: Applied Physics, 2017 - iopscience.iop.org
This review focuses on theoretical foundations, experimental implementation and an
overview of experimental results of the thermoreflectance spectroscopy as a powerful …

Investigation of thermal properties of mid-infrared AlGaAs/GaAs quantum cascade lasers

K Pierściński, D Pierścińska, M Iwińska… - Journal of Applied …, 2012 - pubs.aip.org
We report on detailed experimental investigation of thermal properties of AlGaAs/GaAs
quantum cascade lasers (QCLs) emitting at wavelength of 9.4 μm. Different mounting …

Thermomechanical issues of high power laser diode catastrophic optical damage

J Souto, JL Pura, J Jiménez - Journal of Physics D: Applied …, 2019 - iopscience.iop.org
Catastrophic optical damage (COD) of high power laser diodes is a crucial factor limiting
ultra high power lasers. The understanding of the COD process is essential to improve the …

Time resolved FTIR study of spectral tuning and thermal dynamics of mid-IR QCLs

K Pierściński, D Pierścińska, D Szabra… - … Lasers and Laser …, 2014 - spiedigitallibrary.org
The aim of this paper is to address some of the aspects of thermal management of QCLs.
Results include electrical and spectral characterization of the devices. Results show shift of …

Influence of operating conditions on quantum cascade laser temperature

K Pierściński, D Pierścińska, K Kosiel… - Journal of electronic …, 2010 - Springer
In this work, the influence of operating conditions on the temperature of a quantum cascade
laser (QCL) was studied experimentally by means of thermoreflectance, a nondestructive …

Experimental analysis of thermal properties of AlGaAs/GaAs quantum cascade lasers

K Pierściński, D Pierścińska, M Iwińska… - … Lasers and Laser …, 2012 - spiedigitallibrary.org
We report on detailed investigation of thermal performance of AlGaAs/GaAs quantum
cascade lasers (QCL) emitting at wavelength of 9.4 ìm, with a particular emphasis on the …

Thermal effects in 2. x μm vertical-external-cavity-surface-emitting lasers

K Pierściński, D Pierścińska, M Bugajski… - Journal of Applied …, 2012 - pubs.aip.org
The thermal behavior of vertical-external-cavity-surface-emitting lasers (VECSELs) is
investigated. The temperature distribution in operating VECSELs has been experimentally …

12.2 Reliability and life time: 12 Laser diode characterization and testing

B Sumpf, K Häusler - Laser Systems: Part 3, 2011 - Springer
Long time measurements of diode lasers under well-defined conditions (ie temperature T,
optical output power P, or injection current I) are usually performed to qualify the laser …

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RVP Facilité - dipot.ulb.ac.be
Over the last fifteen years, a series of theoretical and experimental investigations have
demonstrated the usefulness of circular geometries to tailor second-order nonlinear optical …