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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