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S. KONAR1,* , RAKHI BHATTACHARYA1
We have investigated, index guided photonic crystal fibers that has eleven rings consisting of air holes. The dispersion characteristics, effective index, the fiber V parameter and field of the fundamental mode have been numerically investigated using the finite difference time domain (FDTD) method. These fibers show largest normal dispersion when air holes in all rings are of same diameter. Exhibited dispersion profile of the fiber has been flattened, albeit with significantly reduced value, by controlling the diameter of air holes in different outer and inner rings. It has been realized that smaller air holes in the first ring has the strongest influence in flattening the dispersion profile, however, it also significantly reduces the value of dispersion simultaneously which can be abated partially by introducing smaller air holes in outer rings. Investigated mode field profiles in all cases show that the fundamental modes are always confined within the fiber core. The proposed fiber may be useful in compensating for the dispersion over entire S, C and L bands.
Photonic crystal fibers, Dispersion compensation, FDTD method.
S. KONAR, RAKHI BHATTACHARYA, Design of photonic crystal fibers for dispersion compensation over S, C and L bands, Optoelectronics and Advanced Materials - Rapid Communications, 1, 9, September 2007, pp.442-447 (2007).
Submitted at: July 27, 2007
Accepted at: Aug. 15, 2007
Optoelectronics and Advanced Materials - Rapid Communications
(2024): Impact Factor = 0.4 - Journal Citation Reports (Clarivate Analytics, 2025)
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