Micro photonics is a branch of technology that deals with directing light on a microscopic scale. It is used in optical networking. Micro photonics uses no less than two dissimilar materials with an extensive differential record of refraction to crush the light down to a little size. As a rule, for all objectives and purposes all of micro photonics depends on Fresnel reflection to control the light. In the event that the photons live basically in the higher list material, the repression is because of aggregate inside reflection. On the off chance that the repression is expected many circulated Fresnel reflections, the gadget is named a photonic precious stone. There are a wide range of kinds of geometries utilized in micro photonics including optical waveguides, optical micro cavities, and Arrayed waveguide gratings.
Photonic precious stones are non-directing materials that reflect different wavelengths of light superbly. Such a gem can be mentioned to as an ideal mirror. Different gadgets utilized in micro photonics incorporate micro mirrors and photonic wire waveguides. These devices are utilized to "form the stream of light", a well-known expression for depicting the objective of micro photonics.