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Abstract
A kind of dual-core high birefringence photonic crystal fibers （DHB-PCFs） has been proposed in this paper. The birefringence， coupling length and dispersion characteristics of DHB-PCFs have been studied by multipole method using mode coupling theory. It is found that the birefringence of DHB-PCF with pitch 1.2 μm and air-hole diameter 1.0 μm is 1.24×10-2 in optical communication band of 1.55 μm wavelength. Correspondingly， dual-core coupling lengths are 21.6 μm and 24.3 μm for x-polarized mode and y-polarized mode， respectively. The DHB-PCF with high degree of polarization and very short coupling length is useful for manufacturing minitype photonic apparatus.

Keywords:
photonic crystal fiber/

dual-core/

birefringence/

coupling length
Authors and contacts
Fu Bo,

Li Shu-Guang,

Yao Yan-Yan,

Zhang Lei,

Zhang Mei-Yan,

Liu Si-Ying

1.
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Cited By

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Vol. 58, Issue 11 - 2009-06-05

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