Abstract
We study a new concept of polarization maintaining for large mode area silica glass fibers, where artificially anisotropic glass is used to form a core of the fiber. The fiber core is composed of interleaved subwavelength layers of high and low refractive index glasses. We obtained phase birefringence of 1.92×10−4 for the single mode fiber with the core diameter of 30 μm and the effective mode area equal to 573 μm2 and 804 μm2, for x- and y-polarization, respectively.
© 2021 The Author(s)
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