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Optical Engineering

Design of small core tellurite photonic crystal fiber for slow-light-based application using stimulated Brillouin scattering
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Paper Abstract

Stimulated Brillouin scattering (SBS) performances of small core tellurite photonic crystal fibers (PCF) are rigorously studied. We propose a design of tellurite PCF that is used for slow-light-based applications. We developed a two-dimensional finite element mode solver to numerically study the acoustic and optical properties of complex refractive index profiles including tellurite PCF. Our results include the calculation of Brillouin gain spectrum, Brillouin gain coefficient (gB) and Brillouin frequency shift by taking into account the contribution of the higher-order acoustic modes. Several simulations were run by varying the air-filling ratio of various PCF structures to enhance the SBS. The real scanning electron microscope image of a small core of highly nonlinear tellurite fiber is considered. Optimized results show a frequency shift of 8.43 GHz and a Brillouin gain of 9.48×10−11  m/W with a time delay between 21 and 140 ns. Such fibers have drawn much interest because of their capacity for increasing and tailoring the SBS gain.

Paper Details

Date Published: 7 July 2015
PDF: 6 pages
Opt. Eng. 54(7) 075101 doi: 10.1117/1.OE.54.7.075101
Published in: Optical Engineering Volume 54, Issue 7
Show Author Affiliations
Rim Cherif, SUP'COM (Tunisia)
Amine Ben Salem, SUP'COM (Tunisia)
Than Singh Saini, Delhi Technological Univ. (India)
Ajeet Kumar, Delhi Technological Univ. (India)
Ravindra K. Sinha, Delhi Technological Univ. (India)
Mourad Zghal, SUP'COM (Tunisia)


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