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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 9 — Sep. 1, 2007
  • pp: 2075–2080

Thirty-two-channel dense-wavelength-division multiplexer based on cascade two-dimensional photonic crystal waveguide structure

Yaw-Dong Wu, Ke-Wei Hsu, and Tien-Tsorng Shih  »View Author Affiliations

JOSA B, Vol. 24, Issue 9, pp. 2075-2080 (2007)

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The 32-channel dense-wavelength-division multiplexer is composed of the artificial point and line defects in the cascade two-dimensional photonic crystal waveguide with square lattice. The point defect traps the photons propagating through the line defect and emits to free space by the resonant effect. The cascade structure could overcome the mini-stop-band effect and established a continuous-wavelength multiplexing characteristic. The wavelength spacing of 0.8 nm (frequency spacing of 100 GHz ), the interchannel cross talk of approximately 21 to 32 dB , and high quality factor Q of 12,500 were achieved through theoretical simulation. It would be a potential component in the application of ultra-high-speed and ultra-high-capacity optical communication and optical data processing systems.

© 2007 Optical Society of America

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(230.5750) Optical devices : Resonators
(230.7400) Optical devices : Waveguides, slab
(250.5300) Optoelectronics : Photonic integrated circuits

ToC Category:
Photonic Crystals

Original Manuscript: January 25, 2007
Revised Manuscript: April 27, 2007
Manuscript Accepted: April 30, 2007
Published: July 30, 2007

Yaw-Dong Wu, Ke-Wei Hsu, and Tien-Tsorng Shih, "Thirty-two-channel dense-wavelength-division multiplexer based on cascade two-dimensional photonic crystal waveguide structure," J. Opt. Soc. Am. B 24, 2075-2080 (2007)

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