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11 November 2008Wide band single polarization and polarization maintaining fibers with stress rods and air holes
We present a novel fiber design using both stress rods and air holes for making wide band single polarization fibers as
well as polarization maintaining fibers. The key factor that makes the fiber design possible is that the stress-induced
birefringence from the stress rods and the form birefringence from air holes are added constructively, which increases
the total birefringence and allows more flexible choice of fiber parameters. We established a finite element model that is
capable to study both the stress-optic effect and the wave-guide effect. Through the detailed modeling, we
systematically explore the role of each major parameter. Different aspects of the fiber properties related to the
fundamental mode cutoff, fiber birefringence and effective area are revealed. As a result, fibers with very large single
polarization bandwidth as well as larger effective area are identified.
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Xin Chen, Ming-Jun Li, Joohyun Koh, Daniel A. Nolan, "Wide band single polarization and polarization maintaining fibers with stress rods and air holes," Proc. SPIE 7134, Passive Components and Fiber-based Devices V, 713423 (11 November 2008); https://doi.org/10.1117/12.802721