Photonics technology plays a vital role in various fields, such as manufacturing, biomedical, alternate energy sector, aerospace, telecommunications, etc. It generates and controls light in the form of radiant energy as photon. The light can be manipulated or molded using band gaps in photonic crystals. There are many materials that can be integrated to further the application of photonics. The common material is Graphene, which is a single atom carbon. Application areas of the technology include LEDs, photo detectors, photovoltaic devices, etc. This article presents the review of state of the art of photonics and its application. (C) 2019 Elsevier Ltd. All rights reserved.