Photoelectronics is a branch of science that involves the study of the relationship between light and electricity. Synonyms for this term include optoelectronics, photo technology, and photonics. Optoelectronics refers to the use of light and electronics in various applications, while photo technology emphasizes the use of photography in electronics. On the other hand, photonics is a broader term that encompasses the generation, manipulation, and detection of light through various means. Other related terms include electro-optics, photonic devices, and laser technology. All of these fields involve the use of light and electricity in different ways, with diverse applications in a range of industries.