Abstract
We theoretically design and analyze the performance of a fiber-based linearly polarized (LP) mode demultiplexer using a Fabry–Perot interferometer. The all-fiber geometry of the reported demultiplexer is obtained by writing fiber Bragg gratings (FBGs) in a few-mode fiber (FMF), such that the FBGs act as partial reflecting mirrors for the LP modes. We also demonstrate the ability to decompose a received optical signal into its individual LP components in wavelength-division multiplexing networks.
© 2018 Optical Society of America
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