Waveguide crossings by use of mutlimode tapered structures

@article{Chen2012WaveguideCB,
  title={Waveguide crossings by use of mutlimode tapered structures},
  author={Chyong-Hua Chen},
  journal={2012 21st Annual Wireless and Optical Communications Conference (WOCC)},
  year={2012},
  pages={130-131}
}
A compact waveguide crossing constructed by three cascaded multimode tapers on each branch is numerically analyzed by finite difference time domain method, which possesses the size of 3920 nm×3920 nm, the insertion loss of 0.187 dB and the crosstalk of -47.58 dB at the wavelength of 1550 nm and broad transmission spectrum ranging from 1500 to 1600 nm. 
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