• Dang Van Trong Vinh University, Viet Nam
  • Le Tran Bao Tran Vinh University, Viet Nam
  • Chu Van Lanh Vinh University, Viet Nam
  • Nguyen Thi Hong Phuong Nguyen Chi Thanh High School, Tay Ninh, Viet Nam
  • Trang Nguyen Minh Hang IGC Tay Ninh School, Viet Nam
  • Hoang Trong Duc University of Education, Hue University, Viet Nam
  • Nguyen Thi Thuy University of Education, Hue University, Viet Nam



Circular photonic crystal fibers, High nonlinearity, Low attenuation, Near-zero ultra-flattened dispersion


We demonstrate in this study that near-zero, ultra-flattened chromatic dispersion can be achieved over a wide range of wavelengths in photonic crystal fibers (PCFs) by means of slight variations in the geometrical parameters of the cladding. To do that, a new solid-core circular PCF design with various air hole diameters and lattice constants is presented, and the design features are numerically analyzed in detail. After 40 simulations, we determined three structures that possess optimal dispersion with the following lattice constants (Ʌ) and filling factors for the first ring (d1/Ʌ): Ʌ = 0.8 µm, d1/Ʌ = 0.45 for #F1, Ʌ = 0.9 µm, d1/Ʌ = 0.45 for #F2, and Ʌ = 1.0 µm, d1/Ʌ = 0.45 for #F3. High nonlinearity and low attenuation are outstanding features of our model. With these advantages, the proposed fibers are targeted for smooth flat broadband supercontinuum generation for near-infrared applications.


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Volume and Issues


Natural Sciences and Technology

How to Cite

Dang, V. T., Le, T. B. T., Chu, V. L., Nguyen, T. H. P., Trang, N. M. H., Hoang, T. D., & Nguyen, T. T. (2022). INFLUENCE OF STRUCTURAL PARAMETERS ON OPTICAL CHARACTERISTICS OF PHOTONIC CRYSTAL FIBERS WITH CIRCULAR LATTICE. Dalat University Journal of Science, 13(1), 30-44.