alexa Highly Nonlinear, Dispersion Flattened Equiangular Spir
ISSN: 2469-410X

Journal of Lasers, Optics & Photonics
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Research Article

Highly Nonlinear, Dispersion Flattened Equiangular Spiral Photonic Crystal Fiber in Telecommunications Window

Jamshid Heiadarialamdarloo1*, Carvalho MI2, Ricardo Oliviera2, Rogério Nunes Nogueira2 and Antonio Luis Jesus Teixeira2

1Instituto de Telecomunicações, Universidade de Aveiro, Campo Universitário, 3810-391 Aveiro, Portugal

2Faculty of Engineering Universidade do Porto (FEUP), Campus da FEUP, Rua Dr.Roberto Frias, 378, 4200-465 Porto, Portugal

*Corresponding Author:
Jamshid Heidarialamdarloo
Instituto de Telecomunicações, Universidade de Aveiro
Campo Universitário, 3810-391 Aveiro, Portugal
Tel: 962261298
E-mail: [email protected]

Received date: May 17, 2016; Accepted date: June 13, 2016; Published date: June 15, 2016

Citation: Heiadarialamdarloo J, Carvalho MI, Oliviera R, Nogueira RN, Teixeira ALJ (2016) Highly Nonlinear, Dispersion Flattened Equiangular Spiral Photonic Crystal Fiber in Telecommunications Window. J Laser Opt Photonics 3:131. doi:10.4172/2469-410X.1000131

Copyright: © 2016 Heiadarialamdarloo J, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



This paper presents an equiangular spiral (ES) cladding photonic crystal fiber (PCF) made of lead silicate glass SF57. The proposed ES-PCF exhibits a flat dispersion at the telecommunications window with high nonlinearity and low confinement loss, showing an ultra-flattened dispersion at wavelengths ranging from 1.51 to 1.81 μm (300 nm band), with confinement losses of less than 0.0031 dB/km within this wavelength range, and two zero-dispersion wavelengths at 1.55 and 1.76 μm. Moreover, this fiber also has a high nonlinear coefficient of 1285 W-1km-1 at 1.55 μm.


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