Ultra-Broadband Tapered Mode-Selective Couplers for Few-Mode Optical Fiber Networks

@article{Riesen2012UltraBroadbandTM,
  title={Ultra-Broadband Tapered Mode-Selective Couplers for Few-Mode Optical Fiber Networks},
  author={Nicolas Riesen and John D. Love},
  journal={IEEE Photonics Technology Letters},
  year={2012},
  volume={25},
  pages={2501-2504}
}
Tapered mode-selective couplers are shown to allow for ultra-broadband mode-division multiplexing of few-mode optical fiber. Using appropriate three-core configurations, modes of arbitrary spatial-orientation can be demultiplexed. The successful fabrication of these wavelength-insensitive couplers would represent the realization of compact low-loss mode-multiplexers for use in high-bandwidth few-mode fiber networks. 
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