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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 4 — Feb. 1, 2009
  • pp: 804–809

Three output port channel-drop filter based on photonic crystals

F. Monifi, A. Ghaffari, M. Djavid, and M. S. Abrishamian  »View Author Affiliations


Applied Optics, Vol. 48, Issue 4, pp. 804-809 (2009)
http://dx.doi.org/10.1364/AO.48.000804


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Abstract

We present a photonic-crystal (PC) channel-drop filter (CDF) design based on 3 × 3 PC ring resonators. The normalized transmission spectra for single-ring and dual-ring configurations have been investigated using two-dimensional finite-difference time-domain (FDTD) technique in a square-lattice dielectric-rod PC structure. First, we investigate a single ring and we show that backward and forward dropping is possible in the third communication window. Then we add another ring and waveguide to develop a new CDF. This filter consists of an input and three outputs. Our FDTD simulation yields more than 85% efficiency over each output port.

© 2009 Optical Society of America

OCIS Codes
(230.3120) Optical devices : Integrated optics devices
(230.5298) Optical devices : Photonic crystals

ToC Category:
Optical Devices

History
Original Manuscript: June 25, 2008
Revised Manuscript: November 9, 2008
Manuscript Accepted: November 9, 2008
Published: January 26, 2009

Citation
F. Monifi, A. Ghaffari, M. Djavid, and M. S. Abrishamian, "Three output port channel-drop filter based on photonic crystals," Appl. Opt. 48, 804-809 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-4-804

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