The term "photo electronic" refers to the use of light in electronic systems, and is often associated with technologies such as photovoltaic cells, digital cameras, and fiber optic communication. Synonyms for this term might include phrases such as "light-based," "optoelectronic," "photonic," or "light-sensitive." Other related terms might include "spectroscopic," which refers to the analysis of light spectra, or "laser-based," which indicates the use of specific wavelengths of light for various applications. While these terms may have slightly different connotations depending on their specific usage, they all relate to the use of light in electronic systems and can be considered synonyms for "photo electronic".