Enhancement of negligible transmission band using hybrid periodic/Fibonacci photonic crystal in near infrared and microwave domains

Abir Mouldi; Mounir Kanzari

doi:10.1117/12.923616

25 April 2012 Enhancement of negligible transmission band using hybrid periodic/Fibonacci photonic crystal in near infrared and microwave domains

Abir Mouldi, Mounir Kanzari

Author Affiliations +

Proceedings Volume 8425, Photonic Crystal Materials and Devices X; 842528 (2012) https://doi.org/10.1117/12.923616
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

Abstract

A hybrid structure of the type Bragg mirror-(Fibonacci)^S is proposed to enhance the zero transmission band through the one dimensional photonic crystal in microwave domain and in the infrared. The efficiency of the configuration is proved in microwave domain for angles below 57°. In the infrared, the use of the configuration exhibits a large photonic band gap at any angle of incidence and for both polarizations. The proposed structure is a quarter wavelength omnidirectional mirror of 37 layers with a bandwidth larger than that of the periodic structure with an increasing ratio 3.7 and it covers all the optical telecommunication wavelengths 0.85, 1.3 and 1.55 μm. Unlike the previous devices, the structure is simple to fabricate and it shows interesting optical properties. The configuration Bragg mirror-(Fibonacci)^S-Bragg mirror is also investigated to more extend the photonic band gap. Since different physical phenomena have their own appropriate physical scales, we exploited the physical properties of the proposed hybrid structure in different wavelength domains.

Citation Download Citation

Abir Mouldi and Mounir Kanzari "Enhancement of negligible transmission band using hybrid periodic/Fibonacci photonic crystal in near infrared and microwave domains", Proc. SPIE 8425, Photonic Crystal Materials and Devices X, 842528 (25 April 2012); https://doi.org/10.1117/12.923616

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