Monolithic Integration of a Waveguide Optical Isolator With a Distributed Feedback Laser Diode in the 1.5- $\mu$m Wavelength Range

@article{Shimizu2007MonolithicIO,
  title={Monolithic Integration of a Waveguide Optical Isolator With a Distributed Feedback Laser Diode in the 1.5- \$\mu\$m Wavelength Range},
  author={Hisashi Shimizu and Y. Nakano},
  journal={IEEE Photonics Technology Letters},
  year={2007},
  volume={19},
  pages={1973-1975}
}
We present first monolithic integration of a waveguide optical isolator with a distributed feedback laser diode (DFB LD) in the 1.5-mum wavelength range. The integrated devices are composed of 0.25-mm-long index-coupled DFB LDs and 0.75-mm-long semiconductor active waveguide optical isolators. The semiconductor active waveguide optical isolators are based on the nonreciprocal loss in the semiconductor optical amplifier (SOA) waveguides with ferromagnetic metals (Fe). The fabrication process… CONTINUE READING

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