Ultrahigh Birefringence and Highly Nonlinear Square Photonic Crystal Fiber for S+C+L+U Wavebands

Ahmed, Fahim; Kumar, Probir; Hakim, M. A.; Miah, Md. Sabuj; Noman, Abdullah Al; Biswas, Shovasis Kumar

doi:10.1109/icccnt.2018.8493793

Cited by 6 publications

(1 citation statement)

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“…Furthermore, research has shown that achieving high birefringence, high nonlinearity and negative dispersion can be useful for polarization control in fiber optic sensors, telecommunication applications and broadband dispersion compensation in high-bit-rate transmission systems 22 . A lot of work has been reported recently to achieve high birefringence, high nonlinearity and dispersion management through the use of elliptical holes around the core 23,24 , using different shapes of air holes other than circular in or around the core [25][26][27] , defective core 21 , doping the core with gas or liquid and hybrid cladding 28,29 , double cladding 22 , dual core photonic bandgap 30 , triangular lattice 31 and other shapes of air hole rings apart from the widely used hexagonal lattice [32][33][34][35] . Rhombic and elliptical hole PCFs have been presented 26 to achieve birefringence (B) of 8 × 10 -3 and Confinement loss(CL) of 5 × 10 -4 dB/m at 1.55 µm.…”

Section: Numerical Analysis Of Photonic Crystal Fiber Of Ultra-high Bmentioning

confidence: 99%

Numerical analysis of photonic crystal fiber of ultra-high birefringence and high nonlinearity

Agbemabiese

Akowuah

2020

Sci Rep

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A numerical analysis of a hexagonal PCF structure with four circular air hole rings around the core has been presented in this paper. By utilizing a full vectorial finite element method with perfectly matched layers, propagation properties such as birefringence, chromatic dispersion and confinement losses are numericaly evaluated for the proposed PCF structure. Specifically, birefringence of 2.018 × 10–2, nonlinear coefficients of 40.682 W−1 km−1, negative chromatic dispersion of − 47.72 ps/km.nm at 1.55 µm and − 21 to − 105 ps/km.nm at the telecommunication band of C-U have been reported.

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