Design of simple circular photonic crystal fiber having high negative dispersion and ultra-low confinement loss

Pandey, Sanat Kumar; Prajapati, Yogendra Kumar; Maurya, Jitendra Bahadur

doi:10.1016/j.rio.2020.100024

Cited by 15 publications

(4 citation statements)

References 32 publications

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“…In this model, silicon dioxide (SiO 2 ) has been used in the core, because it has a number of highly desirable characteristics, including a broad wavelength range with good optical transparency and high-temperature stability. Furthermore, by employing SiO 2 in the core, the output has a low EML and a low CL [23]. Because most of the light propagation occurs within the core, SiO 2 preserves the core from melting and allows it to last for a longer time which makes it particularly reliable in industrial uses.…”

Section: Device Structure and Designmentioning

confidence: 99%

Cyclic Olefin Copolymer Based Photonic Crystal Fiber as Single Mode THz Waveguide

Tun Naziba,

Tun Nafisa,

Nasir Uddin

2024

IJCDS

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Photonic Crystal Fiber Technology (PCF) based terahertz (THz) communication is widely considered the key component of future generation high capacity communication and biomedical engineering. The most difficult aspect of employing this technology is minimizing material losses and dispersion over longer distances. In PCF modeling, a wide variety of materials are considered (Zeonex, Silica, Cyclic Olefin Copolymer, etc.). The Cyclic Olefin Copolymer (COC) stands out as a highly flexible material that is both easily fabricable and inexpensive. This study proposed hexagonal porous cladding and core using the Finite Element Method (FEM). A fiber with an optimal core diameter of 300 µm, a low Effective Material Loss (EML) of 0.039456 cm -1 , a low Confinement Loss (CL) of 2.264 × 10 -5 dBcm -1 , dispersion of 0.8594 psTHz -1 cm -1 and V-parameter of 1.42 are obtained for 1 THz operating frequency. The suggested fiber's propagation parameters have been diligently analyzed and obtained promising values. A significant porosity of 65% and power fraction of 29.88% was recorded.

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Section: Device Structure and Designmentioning

confidence: 99%

Cyclic Olefin Copolymer Based Photonic Crystal Fiber as Single Mode THz Waveguide

Tun Naziba,

Tun Nafisa,

Nasir Uddin

2024

IJCDS

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“…This sensor has high sensitivity and high absorption of CO. PCFs inherit the proprieties of optical fibers, such as high sensitivity, low noise and low cost, small size, and immunity to electromagnetic interference 16 – 19 One of the important features of this sensor is non-invasive nature of sensing. The proposed method also provides more affordable tests that make healthcare available for people.…”

Section: Introductionmentioning

confidence: 99%

Hollow core photonic crystal fiber based carbon monoxide sensor design applicable for hyperbilirubinemia diagnosis

2023

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.One of the modern ways to diagnose diseases is through exhale gas of patients, which is non-invasive and therefore desirable to doctors. The composition of exhaled breath contains valuable information for identifying hyperbilirubinemia disease. The accumulation of bilirubin and its lack of excretion causes jaundice, and the production of bilirubin has a direct relationship with exhaled carbon monoxide (CO). A CO diagnostic sensor based on a photonic crystal fiber (PCF) that can detect hyperbilirubinemia has been designed. This method can be used repeatedly to detect and treated jaundice in time. The PCF is designed as a hexagon. The holes in the cladding are circular and the holes in the core are circular and oval. Finite element method is used to do all the numerical simulations. COMSOL Multiphysics software was used to obtain the results. In this setup, CO absorption wavelength is 1.567 μm, and the relative sensitivity of 64.28% is reported with confinement loss of 3.81 × 10 − 3 dB / m.

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“…By allowing the infiltration of liquids into the hollow or air-filled channels within PCFs [17,18], designers gain an additional degree of freedom for customizing the fiber's properties and functionality. This innovative feature opens up a range of opportunities, as it enables precise control over factors such as refractive index [19], dispersion [20], and nonlinear effects within the fiber's core [21]. Consequently, researchers and engineers can tailor PCFs to suit specific applications, making them highly adaptable for purposes such as sensing [22,23], optical modulation [24], and the development of novel optical devices [10,[25][26][27].…”

Section: Introductionmentioning

confidence: 99%

Enhancing optical fiber performance through liquid infiltration in photonic crystal fiber

Debbal,

Ouadah,

Bouregaa

et al. 2023

Journal of Electrical Engineering

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Liquid infiltration into photonic crystal fibers (PCFs) opens new horizons in optical fiber design. This innovation allows precise control of the refractive index, dispersion, and nonlinear effects within the PCF core, expanding its adaptability for various applications. Through numerical simulations, we explore the impact of different liquids on chromatic dispersion in PCFs, emphasizing the role of filling ratios. Our findings unveil shifts in zero dispersion wavelengths, with chloroform causing significant changes. Lower filling ratios reduce dispersion sensitivity, while higher ratios enable dispersion compensation. This study advances our understanding of liquid-filled PCFs, vital for cutting-edge photonics research and practical applications.

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Design of simple circular photonic crystal fiber having high negative dispersion and ultra-low confinement loss

Cited by 15 publications

References 32 publications

Cyclic Olefin Copolymer Based Photonic Crystal Fiber as Single Mode THz Waveguide

Cyclic Olefin Copolymer Based Photonic Crystal Fiber as Single Mode THz Waveguide

Hollow core photonic crystal fiber based carbon monoxide sensor design applicable for hyperbilirubinemia diagnosis

Enhancing optical fiber performance through liquid infiltration in photonic crystal fiber

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