Spatial heterodyne planar waveguide spectrometer: Theory and design Conference Paper uri icon

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  • We review the theory and design of a novel type of stationary spectrometer in planar optical waveguides. These spatial heterodyne spectrometers are based on arrayed Mach-Zehnder interferometers and offer high resolution and increased optical throughput (étendue). A stationary Fourier technique is employed to reconstruct the input spectrum from the Mach-Zehnder outputs. Calibration mitigates waveguide fabrication errors and can be readily implemented in the spectra retrieval algorithm. Sensitivity to errors calibration measurements is numerically simulated.


  • Florjańczyk, Mirosław Mirek
  • Cheben, Pavel
  • Janz, S
  • Scott, Alan
  • Solheim, BH
  • Xu, DanXia

publication date

  • June 2008