Optoelectronics & Photonics: Principles — & Pract...

From non-invasive laser surgeries to Optical Coherence Tomography (OCT) used for high-resolution imaging of the human eye.

This is the "magic" behind lasers, where an incoming photon triggers an atom to drop to a lower energy state, releasing a second, identical photon.

When these two fields merge, we get "Optoelectronics"—devices that convert electrical energy into light, or vice versa. 1. Core Principles Optoelectronics & Photonics: Principles & Pract...

To build a photonic system, you generally need three things:

The field is governed by a few fundamental physical interactions: We are moving toward "Light Chips" that process

When light hits a material, it can eject electrons or create electron-hole pairs, forming the basis for sensors and solar cells.

Just as the "silicon chip" revolutionized computing by shrinking giant transistors onto a tiny wafer, is now doing the same for light. We are moving toward "Light Chips" that process data at the speed of light with much less heat than traditional electronic processors. The Future: Integrated Photonics

FaceID on smartphones, LiDAR for self-driving cars, and high-resolution OLED displays. 4. The Future: Integrated Photonics