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Application of self-collimated beams to realization of all optical photonic crystal encoder
Institution:1. Department of Electronics, Tabriz Branch, Islamic Azad University, Tabriz, Iran;2. Young Researchers and Elite Club, Urmia Branch, Islamic Azad University, Urmia, Iran;1. Faculty of Computer Science and Engineering, Shahid Beheshti University, GC, Tehran, Iran;2. Laser and Plasma Research Institute, Shahid Beheshti University, GC, Tehran, Iran;1. Department of Electrical Engineering, Kermanshah Branch, Islamic Azad University, Kermanshah, Iran;2. Young Researchers and Elite Club, Kermanshah Branch, Islamic Azad University, Kermanshah, Iran;3. Department of Physics, Kermanshah Branch, Islamic Azad University, Kermanshah, Iran;4. Department of Electrical Engineering, Kermanshah University of Technology, Kermanshah, Iran;1. Depratment of Electrical Engineering, Ardabil Branch, Islamic Azad University, Ardabil, Iran;2. Depratment of Electronics, Tabriz Branch, Islamic Azad University, Tabriz, Iran;3. Young Researchers and Elite Club, Urmia Branch, Islamic Azad University, Urmia, Iran;1. Young Researchers and Elite Club, Ahar Branch, Islamic Azad University, Ahar, Iran;2. Department of Physics, Ahar Branch, Islamic Azad University, Ahar, Iran
Abstract:In this paper a 4×2 optical encoder is proposed by employing the self-collimation effect in 2D photonic crystals. The total structure of the proposed device is a combination of so called “beam splitters” and “mirrors”. The simulation result indicates that, this design can operate as 4×2 optical encoder, the footprint of structure is about 69 µm×55 µm and response time is about 1.4 ps.
Keywords:Photonic crystal  Self collimation  Encoder  Optical integration
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