Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/2715
Title: An Optical Sensor Design Using Surface Modes of Low-Symmetric Photonic Crystals
Authors: Erim, Nur
Erim, Muhammed Necip
Kurt, Hamza
200103
Keywords: Biosensors
optical surface waves
optics
photonic crystals
sensitivity
sensory aids
Issue Date: 2019
Publisher: Institute of Electrical and Electronics Engineers Inc.
Source: Erim, N., Erim, M. N., and Kurt, H. (2019). An Optical Sensor Design Using Surface Modes of Low Symmetric Photonic Crystals. IEEE Sensors Journal.
Abstract: In this paper, an optical sensor design is proposed with low-symmetric photonic crystals that support surface modes. In order to obtain low symmetry, rotational symmetry is broken within the unit cell size while translational symmetry of the photonic crystal is kept intact. In addition, an air slot is embedded on the surface to enhance light interaction with the sample, and the rotational manipulation of the holes' orientation induces surface modes appearing in the bandgap region. The 3D frequency and time-domain calculations are carried out for the proposed structure. The high-sensitivity value of similar to 2100 nm/RIU is achieved with a strong light-matter interaction between the propagating light and the analyte. Different sensitivity values are mapped for different angle values of holes on the surface and different slot widths. Low-symmetric photonic crystal sensor structure is also numerically analyzed for certain refractive index values in terms of biosensor applications.
URI: https://hdl.handle.net/20.500.11851/2715
https://ieeexplore.ieee.org/document/8674773
ISSN: 1530-437X
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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