A novel photonic crystal fiber (PCF) structure with triangular core is proposed. The PCF has ultra-flattened dispersion and negligible loss characteristics throughout the telecommunication windows (1.2 Jim to 1.7 pm ). The design strategy to achieve these properties is based on optimization of three air-hole diameters. Furthermore, the PCF has only seven rings of air-holes to control loss. The validation of the proposed design is carried out by employing a 2-D FDTD with perfectly matched layers. Macro-bending loss performance of the designed PCF is also studied. It is found that the fiber shows low bending losses for the smallest feasible bending radius of 5mm.
Emails: Shahramm@iust.ac.ir, Mohammad_Aliramezani@ee.iust.ac.ir, Pmahyabadi@iust.ac.ir diameters [3] On the other hand; the design procedure Abstract-A novel photonic crystal fiIber (PCF) structure beo s cmpiad bcue svrl goetcl with two different air-hole sizes is proposed. The PCF has aramets arepneededt e the dseerso behaviriof ultra-flattened dispersion and negligible confinement loss pappeP characteristics throughout the telecommunication bands (0-
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