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Optica Publishing Group
  • Chinese Optics Letters
  • Vol. 10,
  • Issue 12,
  • pp. 122301-122301
  • (2012)

Enhanced slow light propagation in photonic crystal waveguides using angular properties of scatter elements

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Abstract

Applicability of the angular properties of scatter elements as a tool to achieve improved slow light performance with small group velocity dispersion and large bandwidth in photonic crystal waveguides is investigated. A polyatomic photonic crystal waveguide, including two scatter elements with different geometrical shapes in each primitive cell, is proposed to investigate the feasibility of our method. Numerical results show that a versatile control of the dispersion relation of slow light modes, with large normalized delay-bandwidth products ranging from 0.2085 to 0.3394, can be obtained using a unique geometrical parameter.

© 2012 Chinese Optics Letters

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