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Design of Topas photonic bandgap fiber with high birefringence and low confinement loss

โœ Scribed by Doudou Wang; Lili Wang

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
464 KB
Volume
621
Category
Article
ISSN
0168-9002

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โœฆ Synopsis

A highly birefringent hollow-core photonic bandgap fiber based on Topas cyclic olefin copolymer is designed. The rhombic hollow-core with rounded corners is formed by omitting four central air holes of the cladding structure. The guided modes, birefringence and confinement loss of the fiber are investigated by using the full-vector finite element method. A high phase birefringence of the order of 10 ร€ 3 , a group birefringence of the order of 10 ร€ 2 and confinement loss less than 0.1 dB/km are obtained at the central wavelength (1.55 mm) range of the bandgap for fiber with seven rings of air holes in the cladding region.

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New nonlinear and dispersion flattened photonic crystal fiber with low confinement loss
โœ Ming Chen; Shizhong Xie ๐Ÿ“‚ Article ๐Ÿ“… 2008 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 244 KB

A new nonlinear dispersion flattened photonic crystal fiber with low confinement loss is proposed. This fiber has threefold symmetry core. The doped region in the core and the big air-holes in the 1st ring can make high nonlinearity in the PCF. And the small air-holes in the 1st ring and the radial