A review of Raman thermography for electronic and opto-electronic device measurement with submicron spatial and nanosecond temporal resolution

M Kuball, JW Pomeroy - IEEE Transactions on Device and …, 2016 - ieeexplore.ieee.org
We review the Raman thermography technique, which has been developed to determine the
temperature in and around the active area of semiconductor devices with submicron spatial …

Elimination of catastrophic optical mirror damage in continuous-wave high-power laser diodes using multi-section waveguides

Y Liu, K Ebadi, AK Sunnetcioglu, S Gundogdu… - Optics …, 2022 - opg.optica.org
One of the persistent obstacles for high-power laser diodes (LDs) has been the catastrophic
optical mirror damage (COMD), which limits the operating power level and lifetime of …

Reliability issues in GaN electronic devices

M Ťapajna, C Koller - Nitride Semiconductor Technology …, 2020 - Wiley Online Library
GaN‐based power amplifiers for RF, microwave, and millimeter‐wave applications are now
available in the market, and compact GaN‐based power converters are currently entering …

Facet cooling in high-power InGaAs/AlGaAs lasers

S Arslan, S Gündoğdu, A Demir… - IEEE Photonics …, 2018 - ieeexplore.ieee.org
Several factors limit the reliable output power of a semiconductor laser under CW operation,
such as carrier leakage, thermal effects, and catastrophic optical mirror damage (COMD) …

Technological Approaches Addressing Reliable Output Power Limits in High Power Edge-Emitting Lasers

A Demir, AK Sünnetçioğlu, K Ebadi… - IEEE Journal of …, 2025 - ieeexplore.ieee.org
High-power edge-emitting lasers are essential in numerous applications due to their energy-
efficient lasing and compact size. However, their reliable output power is often limited by …

Narrow versus broad waveguide laser diodes: A comparative analysis of self-heating and reliability

A Demir, AK Sünnetçioğlu, K Ebadi… - High-Power Diode …, 2024 - spiedigitallibrary.org
Semiconductor Laser Diodes (LDs) generate high output powers with high power
conversion efficiencies. While broad-area LDs are favored for high-power applications …

Reduced facet temperature in semiconductor lasers using electrically pumped windows

A Demir, S Arslan, S Gündoğdu… - High-Power Diode Laser …, 2019 - spiedigitallibrary.org
The self-heating of semiconductor lasers contributes directly to facet heating and
consequently to the critical temperature for catastrophic optical mirror damage (COMD) but …

Multisection waveguide method for facet temperature reduction and improved reliability of high-power laser diodes

K Ebadi, Y Liu, AK Sünnetçioglu… - … Lasers and Laser …, 2022 - spiedigitallibrary.org
Catastrophic optical mirror damage (COMD) limits the output power and reliability of lasers
diodes (LDs). Laser self heating together with facet absorption of output power cause the …

Elimination of catastrophic optical mirror damage in high-power laser diodes using multi-section waveguides

K Ebadi - 2022 - search.proquest.com
One of the solid constraints of high-power laser diodes (LDs) has been catas-trophic optical
mirror damage (COMD), restricting the operating power level and lifetime of commercial high …

Distributed waveguide design for reducing thermal load in semiconductor high power lasers

OA Saadi - 2025 - repository.bilkent.edu.tr
Semiconductor lasers lead laser technology due to their high efficiency, compact size, and
cost-effectiveness. Among these, GaAs-based laser diodes (LDs) are the most efficient light …