Abstract
Integrated Photonics is an emerging innovative approach which has opened new ways to access to new conditions and measurement possibilities. The Photonic sensor technology can be explored to develop miniaturized, highly integrated, high performing, photonic sensors for underwater environment. Photonic crystal is periodic structure which allows engineering of light. The light propagation in photonic crystal is influenced by dielectric constant of the material. In this paper, we propose a design of a 2-D photonic crystal based-sensor with line defect which can detect and quantify the constituents in water. The sensor will detect the harmful chemicals like arsenic, lead, mercury and others. Analytical work has been done using Finite Difference Time Domain (FDTD) and with help of simulation tools MEEP and MPB.
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