A laser diode falls under the category of optoelectronics which is a branch of electronics that deals with light-emitting and light-detecting devices.
Laser Diode Reliability - ScienceDirect
Sensing, Measurement & Characterization Lasers
Laser Diodes Enable Motion Sensing and Light-Based Distance
Laser diode reliability test system – short pulse compatible
BluGlass to acquire US laser diode facility - PIC Magazine News
Laser Diode Reliability - ScienceDirect
Fiber-Coupled 458nm, 200mW Laser Source System by Coherent
9 Novembre 1957 – Invention du Laser - Nima REJA
DFB Laser, 1550 nm, Up to 60 mW, PM Output, CW Capable – optilab
VCSEL Laser Diode Array
Radiation Hardness of GaSbbased Laser Diodes
Semiconductor laser diode aging and reliability testing system
Reliability Counts for Laser Diodes, Features
Laser diode burn-in and reliability testing
Automated tests improve laser diode manufacturing