Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/761
Title: Enhanced superprism effect in symmetry reduced photonic crystals
Authors: Gümüş, M.
Giden, İbrahim Halil
Akcaalan, O.
Turduev, Mirbek
Kurt, Hamza
200103
Keywords: Photonic crystals
Photonics
Graded photonic
Design
Band-structures
Issue Date: 24-Sep-2018
Publisher: American Institute of Physics Inc.
Source: Gumus, M., Giden, I. H., Akcaalan, O., Turduev, M., & Kurt, H. (2018). Enhanced superprism effect in symmetry reduced photonic crystals. Applied Physics Letters, 113(13), 131103.
Abstract: We propose compact S-vector superprism providing broadband wavelength sensitivity within a/λ = 0.610-0.635, where "a" is the lattice constant, λ is the incident wavelength, and S denotes the Poynting vector. The reported configuration overcomes strong beam divergence and complex beam generation due to the self-collimation ability of the low symmetric primitive photonic crystal (PhC) cells. Analytical calculations of equi-frequency contours, photonic band structures, and group velocity dispersions are performed by solving Maxwell's equations and using the plane wave expansion method. Besides, finite-difference time-domain analyses are also conducted. The designed superprism induces large refracted angle variation for different frequencies when the incident angle is fixed: 4% change of incident frequencies results in approximately 40° deflected angle difference with a maximum 68.9° deflection angle inside the PhC. Meanwhile, for a fixed incident wavelength, a large output variation occurs if the incident angle is altered. Microwave experimental results are found to be in good agreement with the numerical analyses.
URI: https://aip.scitation.org/doi/pdf/10.1063/1.5032197?class=pdf
https://hdl.handle.net/20.500.11851/761
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

Show full item record

CORE Recommender

SCOPUSTM   
Citations

7
checked on Sep 23, 2022

WEB OF SCIENCETM
Citations

6
checked on Sep 24, 2022

Page view(s)

28
checked on Dec 26, 2022

Google ScholarTM

Check

Altmetric


Items in GCRIS Repository are protected by copyright, with all rights reserved, unless otherwise indicated.