1. the branch of electronics and technology that deals with devices and systems that use light (photons) and electricity together, such as LEDs, lasers, and optical sensors.
Usage: typically used as an uncountable noun; technical field; common in engineering and physics contexts

Examples

• Optoelectronics is essential in modern telecommunications and fiber-optic networks.
• The company specializes in optoelectronics, manufacturing high-speed optical components.
• Optoelectronics combines principles of optics and electronics to create innovative devices.
• LED lighting is one of the most common applications of optoelectronics in everyday life.
• Researchers in optoelectronics are developing faster and more efficient photonic systems.
• The optoelectronics industry has grown significantly with the demand for data transmission.