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The best absolute band gap at high and low frequencies in the hexagonal lattice with square holes in GaAs

Publish place: 9th.International Conference on Researches in Science & Engineering & 6th.International Congress on Civil, Architecture and Urbanism in Asia
Publish Year: 1403
Type: Conference paper
Language: English
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Link to this Paper:
https://civilica.com/doc/2188642

Document National Code:

ICRSIE09_355

Index date: 2 March 2025

The best absolute band gap at high and low frequencies in the hexagonal lattice with square holes in GaAs abstract

The band gaps of a two-dimensional photonic crystal created by inhomogeneous hexagonal lattice of variable central square air holes in GaAs are studied numerically. We can obtain the best absolute photonic band gap for high and low normalized frequencies in this structure by changing the square of width. The photonic band gaps are calculated by the plane wave expansion (PWE) method. The results exhibit 39.9% and 86.6% overlaps in the band gaps of both polarizations of TE and TM in the high and low normalized frequency ranges in hexagonal lattice, respectively.

The best absolute band gap at high and low frequencies in the hexagonal lattice with square holes in GaAs Keywords:

photonic crystal (PC) , photonic band gap (PBG) , hexagonal lattice , plane wave expansion (PWE) method

The best absolute band gap at high and low frequencies in the hexagonal lattice with square holes in GaAs authors

M. Moghimi

Islamic Azad University (IAU), Science and Research Branch, Tehran, Iran.

S. Mirzakuchaki

Faculty of Electrical Engineering, Iran University of Science and Technology, Tehran, Iran.

A. Naderi Osat

Kashmar Islamic Azad University, Kashmar, Iran.

Sh. Mirhakimi

Arak Islamic Azad University, Arak, Iran.

E. Abgoun

Tehran North Islamic Azad University, Tehran, Iran.