High-birefringence photonic crystal fiber structures based on the binary morse-thue fractal sequence

Ahmed Al-Muraeb; Hoda Abdel-Aty-Zohdy

doi:10.1117/12.2235520

7 September 2016 High-birefringence photonic crystal fiber structures based on the binary morse-thue fractal sequence

Ahmed Al-Muraeb, Hoda Abdel-Aty-Zohdy

Proceedings Volume 9958, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications X; 99580W (2016) https://doi.org/10.1117/12.2235520
Event: SPIE Optical Engineering + Applications, 2016, San Diego, California, United States

Abstract

A novel index-guiding Silica glass-core hexagonal High-Birefringence Photonic Crystal Fiber (HB-PCF) is proposed, with five rings of standard cladding air circular holes arranged in four formations inspired by the Binary Morse-Thue fractal Sequence (BMTS). The form birefringence, confinement loss, chromatic dispersion, effective mode area, and effective normalized frequency are evaluated for the four PCFs operating within (1.8 - 2 μm) eye-safe wavelength range. Modeling and analysis of the four PCF formations are performed deploying full-vector analysis in Finite Element Method (FEM) using COMSOL Multiphysics. Respecting fabrication and in light of commercial availability in designing the proposed PCF structures, a high birefringence of up to (6.549 × 10^-3 at 2 μm) is achieved with dispersionfree single-mode operation. Confinement loss as low as (3.2 × 10^-5 - 6.5 × 10^-4 dB/m for 1.8 - 2 μm range) is achieved as well. Comparison against previously reported PCF structures reveals the desirably higher birefringence of our BMTS HB-PCF. The proposed PCFs are of vital use in various optical systems (e.g.: multi-wavelength fiber ring laser systems, and tunable lasers), catering for applications such as: optical sensing, LIDAR systems, material processing, optical signal processing, and optical communication.

Citation Download Citation

Ahmed Al-Muraeb and Hoda Abdel-Aty-Zohdy "High-birefringence photonic crystal fiber structures based on the binary morse-thue fractal sequence", Proc. SPIE 9958, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications X, 99580W (7 September 2016); https://doi.org/10.1117/12.2235520

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