For decades, communication relied on electrical signals through copper. However, copper faces physical limits: it generates heat and loses signal strength over long distances.
Introduction to Photonics: Principles and the Most Recent ... - MDPI Photonics - Optical Electronics in Modern Comm.
The convergence of low-loss optical fiber and semiconductor lasers created a medium that could carry data at the speed of light with minimal loss. known as Photonics or Optical Electronics
In the late 20th century, modern communication underwent a quiet revolution—shifting from the movement of in copper wires to the movement of photons (particles of light) through glass. This field, known as Photonics or Optical Electronics , is now the backbone of the internet, global telecommunications, and advanced data centers. The Evolution: From Copper to Fiber Photonics - Optical Electronics in Modern Comm.