Characteristic Analyses of a Polarization Splitter with a Circular and an Elliptical Cores

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概要

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• In this paper, we propose a new polarization splitter constructed from a circular core fiber (fiber1) and an elliptical core fiber (fiber2). The polarization splitters are designed so that the x-polarization and the y-polarization are derived from the fiber2 and the fiber1, respectively. The device length Lm and the bandwidth BW-15 at R≤-15dB (R: the extinction ratio) are discussed by adjusting mainly the ellipticity e2 of the core in the fiber2 and the relative index difference Δ2 of the fiber2. When e2 and Δ2 are varied in the range 0.60≤e2≤0.85 and 0.5%≤Δ2≤1.0%, respectively, it is found that: (1) Lm takes its minimum value 18.96mm at Δ2=1.0% and e2=0.79; (2) BW-15 takes its maximum value 4.98nm at Δ2=1.0% and e2=0.85.

• 社団法人 電気学会の論文
• 2009-10-01

著者

• FURUKAWA Shinichi

  Sano College

• KAMEDA Kazunori

  Sano international information junior college

• Kameda Kazunori

  Sano College

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• Characteristic Analyses of a Polarization Splitter with a Circular and an Elliptical Cores

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