Low power Electro-optical filter: Constructed using silicon nanobeam resonator and PIN junction |
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| Institution: | 1. Mechanical Engineering Department, Charotar University of Science and Technology, Changa, Gujarat, India;2. Mechatronics Engineering Department, G.H.Patel College of Engineering & Technology, Vallabh Vidyanagar, Gujarat, India;1. Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Siping 136000, PR China;2. State Key Laboratory of Superhard Materials and College of Physics, Jilin University, Changchun 130023, PR China;1. Department of Physics, Urmia Branch, Islamic Azad University, Urmia, Iran;2. Department of Solid State Physics, Yerevan State University, Al. Manoogian 1, 0025 Yerevan, Armenia;1. School of Applied Physics and Materials, Wuyi University, 22 Dongcheng Village, Jiangmen 529020, P.R. China;2. Department of Physics, Shanghai Maritime University, 1550 Haigang Avenue, Shanghai 201306, P.R. China |
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| Abstract: | In this paper, a high tunable Electro-optical filter is designed and simulated with low electric power consumption. A silicon nanobeam resonator based on one-dimensional photonic crystal in the form of Fabry–Perot structure, silicon-on-insulator waveguide, is proposed with a PIN junction. In designing nanobeam resonator, “deterministic design method” is used to achieve the high quality factor and high-transmission rate. Tuning of the resonant wavelength in the output channel of the filter is achieved by manipulating the refractive index of the active area by using the free-carrier dispersion effect. The output wavelengths of designed device can be tuned for the telecom-friendly 1.55 µm range. The device shows a wavelength shift higher than 3 nm for a power consumption of only 0.9 mW. Finally, the simulation results show that the provided device can be considered as a narrowband and tunable Electro-optical filter that is suitable for DWDM communication system. |
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| Keywords: | Electro-optical filter Nanobeam resonator Silicon photonic DWDM |
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