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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 3, Iss. S1 — Aug. 28, 2005
  • pp: S196–S197

Photonic crystal-based optical beam splitter in silicon

Yuzhou Zhao, Yao Zhang, and Baojun Li  »View Author Affiliations

Chinese Optics Letters, Vol. 3, Issue S1, pp. S196-S197 (2005)

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An optical power splitter with one input and three output ports is proposed and demonstrated for near infrared applications in the wavelength range from 2.3 to 2.5 microns. The device operates on the principle of directional coupling by introducing photonic crystal line-defect waveguides. Its functionality and performance have been numerically investigated and simulated by finite-difference time-domain method. Required optical power from each of the output waveguide can be easily controlled by adjusting the coupling length of interaction for photonic crystal line-defect waveguides. The total length of the 1*3 power splitter is 30 microns, which is significantly less than conventional non-photonic crystal power splitter. This is a promising device for future ultracompact and large-scale nanophotonic integrated circuits.

© 2005 Chinese Optics Letters

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(230.1360) Optical devices : Beam splitters
(230.7400) Optical devices : Waveguides, slab

Yuzhou Zhao, Yao Zhang, and Baojun Li, "Photonic crystal-based optical beam splitter in silicon," Chin. Opt. Lett. 3, S196-S197 (2005)

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