A new optical channel drop filter was proposed based on two-dimensional (2-D) 45ophotonic crystal ring resonators. Its spectral information including intensity, dropped efficiency and quality factor affected by different physical parameters were numerically analyzed with 2-D finite-difference time-domain technique. Near 100% dropped efficiency can be achieved at 1550-nm channel.
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J. Bai, J. Wang, B. Ni, J. Jiang, X. Chen, Y. Qiu, and Z. Qiang, "Optical Channel Drop Filters Based on 45oPhotonicCrystal Ring Resonators," in Asia Communications and Photonics Conference and Exhibition, Technical Digest (CD) (Optical Society of America, 2009), paper FX2.
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