Gazettabyte, 2/4/2015
"We need to remember that there is no canonical definition of these terms, and there is no recognized authority that would write or maintain such a definition," says Geoff Bennett, director, solutions and technology at Infinera. That said, he also says that optics refers to classical optics, in which light is treated as a wave, whereas photonics is where light meets active semiconductors and so the quantum nature of light tends to dominate.