IET光電子學涵蓋但不限于以下主題：光學和光電子材料；光源，包括發光二極管、激光器和照明設備；光學調制和多路復用；光纖、電纜和連接器；光學放大器；光電探測器和光接收器；光子集成電路；納米光子學與光子晶體；光學信號處理；全息術；顯示器。

IET Optoelectronics covers but is not limited to the following topics: Optical and optoelectronic materials; Light sources, including LEDs, lasers and devices for lighting; Optical modulation and multiplexing; Optical fibres, cables and connectors; Optical amplifiers; Photodetectors and optical receivers; Photonic integrated circuits; Nanophotonics and photonic crystals; Optical signal processing; Holography; Displays.