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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 25, Iss. 11 — Nov. 1, 2008
  • pp: 1805–1810

Design of efficient photonic crystal bend and power splitter using super defects

Faraz Monifi, Mehrdad Djavid, Afshin Ghaffari, and M. S. Abrishamian  »View Author Affiliations


JOSA B, Vol. 25, Issue 11, pp. 1805-1810 (2008)
http://dx.doi.org/10.1364/JOSAB.25.001805


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Abstract

We propose a new scheme for an efficient photonic crystal 90° bend and power splitter. First we design a 90° bend by placing a super defect at the junction of two orthogonal photonic crystal waveguides. We changed the parameters of the super defect to optimize the transmission coefficient of the bent structure. Our two-dimensional (2D) simulations show more than 85% efficiency over a wide range of wavelengths. Then using this new scheme and adding another waveguide we design a new power splitter and optimize it with the same procedure. We used the coupled mode theory to analytically investigate the structures and finite difference time domain to simulate and optimize the structures performances.

© 2008 Optical Society of America

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(130.3130) Integrated optics : Integrated optics materials
(230.0230) Optical devices : Optical devices
(230.7390) Optical devices : Waveguides, planar
(250.5300) Optoelectronics : Photonic integrated circuits

ToC Category:
Optical Devices

History
Original Manuscript: June 9, 2008
Manuscript Accepted: July 14, 2008
Published: October 10, 2008

Citation
Faraz Monifi, Mehrdad Djavid, Afshin Ghaffari, and M. S. Abrishamian, "Design of efficient photonic crystal bend and power splitter using super defects," J. Opt. Soc. Am. B 25, 1805-1810 (2008)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-25-11-1805

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