Meaning of optoelectronics

op•to•e•lec•tron•ics

Pronunciation: (op"tō-i-lek-tron'iks, -ē"lek-), [key]
— n. (used with a sing. v.)
  1. the branch of electronics dealing with devices that generate, transform, transmit, or sense optical, infrared, or ultraviolet radiation, as cathode-ray tubes, electroluminescent and liquid crystal displays, lasers, and solar cells.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.