Modal interference in photonic crystal fibers induced by mismatched core sizes

@article{Fan2010ModalII,
  title={Modal interference in photonic crystal fibers induced by mismatched core sizes},
  author={Jen-feng Fan and Jia-hong Liou and Chin-Ping Yu},
  journal={OECC 2010 Technical Digest},
  year={2010},
  pages={634-635}
}
We report the modal interference in the PCF spliced to two core-size mismatched SMFs. Clear interference patterns can be observed and the relation between the fringe period and the length of the PCF is discussed.