Directional Coupler Based on a Photonic Quasi-Crystal Fiber with Extended Cores

Silva, José Patrocínio da; Santos, Einstein G. dos; Segundo, Marcos T. B.

doi:10.1590/2179-10742018v17i21137

Cited by 1 publication

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“…An important effect on the transmission of signals through optical fibers is the power transfer related to fiber coupling, which is necessary for the most diverse applications. Among the various classes of optical fiber couplers, the couplers based in Photonic Crystal Fiber (PCF) present great research interest due particular spectral features, high performance and great directionality potential applied in high-rate ultra-broadband communication systems [1]- [3]. PCF has revolutionized optical fiber technology due to new degrees of freedom for fiber design, fabrication, and applications which could be achieved.…”

Section: Introductionmentioning

confidence: 99%

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Optical Fiber Coupler Analysis Using Daubechies Wavelets

Silva

Melo

Silva

2020

J. Microw. Optoelectron. Electromagn. Appl.

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This article presents the theoretical analysis of a signal coupling between a proposed Photonic Crystal Fiber (PCF) and a Conventional Fiber with Step Index (CFSI) system. In this analysis, the Finite Element Method (FEM) and Beam Propagation Method (BPM) are applied together with Daubechies wavelets as basis function and described in the mathematical formulation. The simulations were performed casting the PCF signal into CFSI core using the PCF refractive index. For simulation purposes, the cladding material refractive index was set as 1.5% lower than the core index. The application of Daubechies wavelets as basis functions in BPM analysis presented insertion loss around 3.8% during the fiber coupling.

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Section: Introductionmentioning

confidence: 99%

“…For the PCF, air holes diameter was set as = 1.2m and  = 0.4, where  represents the distance between air hole Journal ofMicrowaves, Optoelectronics and Electromagnetic Applications, Vol. 19,No. 3, September 2020 DOI: http://dx.doi.org/10.1590/2179-10742020v19i3825…”

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confidence: 99%