Physics and Chemistry. Of or relating to a photoelectron, or the interaction of light with electrons.

Of, relating to, or using electronics, esp. in connection with radio technology. Cf. radionics, n.2

Involving or relating to the interconversion or interaction of light and electronic signals.

= optoelectronic, adj.

of or relating to both acoustics and electronics; relating to or involving acoustoelectronics.

Optoelectronic.