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Wideband Dispersion Compensation in Square Lattice Photonic Crystal Fibe

Publish Year: 1397
Type: Journal paper
Language: English
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Document National Code:

JR_JCESH-7-1_005

Index date: 14 October 2019

Wideband Dispersion Compensation in Square Lattice Photonic Crystal Fibe abstract

In this paper, a new structure is provided for the dispersion compensating photonic crystal fibers in order to broaden the chromatic dispersion and increase the dispersion compensating capability in a wide wavelength range. In the structure, putting a combination of circular holes and a star structure in the inner core clad causes the dispersion coefficient profile to be broadened, and additionally causes the fiber to have a negative dispersion coefficient in the whole S to U telecommunication bands. In this fiber, the minimal dispersion coefficient will be -653ps/(nm.km). Furthermore, with the diameter of the circular holes of the inner clad in this structure increased, a relatively flat dispersion profile will be obtained in the whole E to U telecommunication bands with a dispersion variation equal to 46ps/(nm.km). In the S to C telecommunication bands, the dispersion variation is 17ps/(nm.km). The simulations are all done using the finite difference time domain numerical (FDTD) method.

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Wideband Dispersion Compensation in Square Lattice Photonic Crystal Fibe authors

Mohammad Ali Mansouri-Birjandi

Department of Electrical and Electronics, Faculty of Electrical and Computer Engineering, University of Sistan and Baluchestan, Zahedan, Iran.

Esmat Jafari

Department of Electrical and Electronics, Faculty of Electrical and Computer Engineering, University of Sistan and Baluchestan, Zahedan, Iran