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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 21 — Oct. 16, 2006
  • pp: 10014–10020

High resolution three-port filter in two dimensional photonic crystal slabs

Cheng Ren, Jie Tian, Shuai Feng, Haihua Tao, Yazhao Liu, Kun Ren, Zhiyuan Li, Bingying Cheng, Daozhong Zhang, and Haifang Yang  »View Author Affiliations

Optics Express, Vol. 14, Issue 21, pp. 10014-10020 (2006)

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An in-plane, three-port filter consisting of input/output waveguides and two point-defect cavities in a 2D PC slab is designed and fabricated, where a new feedback method is introduced, and its transmission properties are measured. The measured minimum output wavelength spacing between two channels is 1.5 nm, which is realized by slightly adjusting the size of the resonant cavities. The measured resonant wavelengths of two cavities agree well with the calculated ones and the quality factors of the cavities are almost the same. It is believed that this kind of filter may be useful in optical integrated circuits with high density.

© 2006 Optical Society of America

OCIS Codes
(230.3990) Optical devices : Micro-optical devices
(230.5750) Optical devices : Resonators
(230.7370) Optical devices : Waveguides
(250.5300) Optoelectronics : Photonic integrated circuits

ToC Category:

Original Manuscript: August 24, 2006
Revised Manuscript: September 29, 2006
Manuscript Accepted: September 29, 2006
Published: October 16, 2006

Cheng Ren, Jie Tian, Shuai Feng, Haihua Tao, Yazhao Liu, Kun Ren, Zhiyuan Li, Bingying Cheng, Daozhong Zhang, and Haifang Yang, "High resolution three-port filter in two dimensional photonic crystal slabs," Opt. Express 14, 10014-10020 (2006)

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