Abstract
We propose the design of a simple large-mode area microstructured optical
fiber with low bending loss and large loss difference between the fundamental
mode and the high-order modes. Single-mode operation in the fiber is realized
by the introduction of small diameter holes, whereas the bending loss of the
fiber is realized by the introduction of three large holes in the two-ring
hole microstructured optical fiber. We also introduce low-index rods into
the core of the fiber, which can effectively compensate the reduction of mode
area induced by bending the fiber.
© 2012 IEEE
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