A new circular chalcogenide/silica hybrid microstructured optical fiber with high negative dispersion for the purpose of dispersion compensation

Seifouri, Mahmood; Dekamin, Moslem; Olyaee, Saeed

doi:10.1016/j.ijleo.2015.07.095

Cited by 10 publications

(11 citation statements)

References 32 publications

(31 reference statements)

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“…The nonlinear coefficient obtained in our structure is about 30.55 W À1 km À1 . Table I shows the comparison between the studied parameters of the proposed N-PCF and other PCFs [1,3,28].…”

Section: Simulation Resultsmentioning

confidence: 99%

“…For nonlinear applications, effective area should be small, because reducing the effective area is among the methods employed to increase the nonlinear coefficient . But in cases where the design is for dispersion compensation and for which one requires maximum power to be transferred or generally in cases where the data transmission with a high speed is expected, the effective area must be large . The effective area can be calculated from Eqn

A_{eff} = \frac{{((), true\iint {(||, E)}^{2} dxdy)}^{2}}{true\iint {(||, E)}^{4} dxdy}

in which | E | is electric field intensity.…”

Section: Problem Formulationmentioning

confidence: 99%

“…In order to design DCFs, the following optical characteristics should be taken into consideration: Both negative dispersion and effective mode area should also be as large as possible, relative dispersion slope (RDS) value should closely match that of the conventional fibers in the third window, and also confinement loss and nonlinear coefficient should be kept to a minimum . Of course, as it is not possible to reach ideal values for the previously mentioned parameters simultaneously, hence a trade‐off must be considered.…”

Section: Introductionmentioning

confidence: 99%

“…Several designs have so far been proposed for compensation in the literature that are mainly in micrometer scales. For example in , a hexagonal microstructured fiber with a negative dispersion of −1445 ps/nm/km, in , an octagonal PCF with a dispersion of −672 ps/nm/km, in and , circular PCFs with dispersion values of −790.12 and −55.92 ps/nm/km respectively and also in , a circular chalcogenide/silica hybrid microstructured optical fiber with a dispersion value of −2450 ps/nm/km have been presented. In the previously mentioned structures, the RDSs closely match that of the conventional fibers.…”

Section: Introductionmentioning

confidence: 99%

“…These glasses have properties such as very high transparency range in mid-infrared, linear refractive index higher than 2 and high nonlinear refractive index that can be 100 to 1000 times greater than that of silica glasses [21][22][23][24][25]. Subsequently, these glasses have a high potential to be used as DCFs [26][27][28].…”

Section: Introductionmentioning

confidence: 99%

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Numerical analysis of a circular chalcogenide/silica hybrid nanostructured photonic crystal fiber for the purpose of dispersion compensation

Karami

Seifouri

Olyaee

et al. 2016

Int J Numerical Modelling

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In this paper, we report the numerical analysis of a nanostructured photonic crystal fiber for making an efficient dispersion‐compensating medium. For our computational studies, the core of the proposed structure is made up of As2Se3, and the cladding structure is a mixture of air holes and holes filled with silica. Our simulations indicate that the chromatic dispersion and the confinement loss at the wavelength of 1.55 µm is −3280 ps/nm/km and 1.71 × 10−6 dB/m respectively. Moreover, the relative dispersion slope at the wavelength of 1.55 µm is computed to be 0.00357 nm−1 that closely matches that of the conventional fibers at the third window. The effect of changing the dimensions of the holes in the first ring and also the distance between the adjacent holes (Λ) in the same ring on chromatic dispersion are also studied. The presented structure is an efficient dispersion‐compensating medium. Copyright © 2016 John Wiley & Sons, Ltd.

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Section: Simulation Resultsmentioning

confidence: 99%