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INFLUENCE OF STRUCTURAL PARAMETERS ON OPTICAL CHARACTERISTICS OF PHOTONIC CRYSTAL FIBERS WITH CIRCULAR LATTICE

Tạp chí Khoa học Đại học Đà Lạt, 2022-10, p.30-44 [Peer Reviewed Journal]

ISSN: 0866-787X ;EISSN: 0866-787X ;DOI: 10.37569/DalatUniversity.13.1.1025(2023)

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  • Title:
    INFLUENCE OF STRUCTURAL PARAMETERS ON OPTICAL CHARACTERISTICS OF PHOTONIC CRYSTAL FIBERS WITH CIRCULAR LATTICE
  • Author: Dang, Van Trong ; Le, Tran Bao Tran ; Chu, Van Lanh ; Nguyen, Thi Hong Phuong ; Trang, Nguyen Minh Hang ; Hoang, Trong Duc ; Nguyen, Thi Thuy
  • Subjects: circular photonic crystal fibers ; high nonlinearity ; low attenuation ; near-zero ultra-flattened dispersion
  • Is Part Of: Tạp chí Khoa học Đại học Đà Lạt, 2022-10, p.30-44
  • Description: 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.
  • Publisher: Dalat University
  • Language: English
  • Identifier: ISSN: 0866-787X
    EISSN: 0866-787X
    DOI: 10.37569/DalatUniversity.13.1.1025(2023)
  • Source: Directory of Open Access Journals
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