Slow light Mach-Zehnder interferometer as label-free biosensor with scalable sensitivity.

@article{Qin2016SlowLM,
  title={Slow light Mach-Zehnder interferometer as label-free biosensor with scalable sensitivity.},
  author={Kun Qin and Shuren Hu and Scott T. Retterer and Ivan I Kravchenko and Sharon M Weiss},
  journal={Optics letters},
  year={2016},
  volume={41 4},
  pages={
          753-6
        }
}
The design, fabrication, and characterization of a label-free Mach-Zehnder interferometer (MZI) optical biosensor that incorporates a highly dispersive one-dimensional (1D) photonic crystal in one arm are presented. The sensitivity of this slow light MZI-based sensor scales with the length of the slow light photonic crystal region. The numerically simulated sensitivity of a MZI sensor with a 16 μm long slow light region is 115,000 rad/RIU-cm, which is sevenfold higher than traditional MZI… CONTINUE READING

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