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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 6 — Mar. 21, 2005
  • pp: 1948–1957

Design of a high-Q channel add-drop multiplexer based on the two-dimensional photonic-crystal membrane structure

Kyu H. Hwang and G. Hugh Song  »View Author Affiliations

Optics Express, Vol. 13, Issue 6, pp. 1948-1957 (2005)

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A significant improvement on the basic design of a channel add-drop multiplexer of the in-plane type, based on the two-dimensional photonic-crystal membrane structure of triangular-lattice holes, has been made to increase the channel-selectivity Q factor as high as 7300, which demonstrates the viability of the original basic design. The three-dimensional finite-difference time-domain simulation shows that theoretically it is possible to design a channel add-drop multiplexer with better than -0.7 dB of the forward-drop insertion loss, -29 dB of the pass-through cross-talk at the center frequency. A revised coupled-mode analysis with an augmented directional coupling gives a good agreement between its parametric analysis and the finite-difference time-domain analysis in regard to the detailed asymmetric forward-drop frequency response of the multiplexer.

© 2005 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(230.3990) Optical devices : Micro-optical devices
(230.7400) Optical devices : Waveguides, slab
(250.5300) Optoelectronics : Photonic integrated circuits

ToC Category:
Research Papers

Original Manuscript: January 24, 2005
Revised Manuscript: March 6, 2005
Published: March 21, 2005

Kyu Hwang and G. Song, "Design of a high-Q channel add-drop multiplexer based on the two-dimensional photonic-crystal membrane structure," Opt. Express 13, 1948-1957 (2005)

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