Photonic crystal /spl kappa/-vector superprism

  title={Photonic crystal /spl kappa/-vector superprism},
  author={Tsuyoshi Matsumoto and Toshihiko Baba},
  journal={Journal of Lightwave Technology},
We theoretically investigate the resolution of the photonic crystal (PC) superprism as a narrow-band filter at 1.55 /spl mu/m wavelength range. First, we defined the equi-incident-angle curve against the dispersion surface of each photonic band in the Brillouin zone and calculated the beam collimation, wavelength sensitivity, and resolution parameters for a PC. The result indicated that the conventional superprism which deflects the Poynting vector of light cannot achieve a high resolution and… CONTINUE READING
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