Compact triplexer in two-dimensional hexagonal lattice photonic crystals
Chinese Optics Letters, Vol. 9, Issue 4, pp. 042501- (2011)
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Abstract
We design a compact triplexer based on two-dimensional (2D) hexagonal lattice photonic crystals (PCs). A folded directional coupler (FDC) is introduced in the triplexer beside the point-defect micro-cavities and line-defect waveguides. Because of the reflection feedback of the FDC, high channel drop efficiency can be realized and a compact size with the order of micrometers can be maintained. The proposed device is analyzed using the plane wave expansion method, and its transmission characteristics are calculated using the finite-difference time-domain method. The footprint of the triplexer is about 12×9 µm, and its extinction ratios are less than -20 dB for 1310 nm, approximately -20 dB for 1490 nm, and under -40 dB for 1550 nm, making it a potentially essential device in future fiber-to-the-home networks.
© 2011 Chinese Optics Letters
OCIS Codes
(230.5750) Optical devices : Resonators
(230.7370) Optical devices : Waveguides
(250.5300) Optoelectronics : Photonic integrated circuits
Citation
Hongliang Ren, Jianping Ma, Hao Wen, Yali Qin, Zhefu Wu, Weisheng Hu, Chun Jiang, and Yaohui Jin, "Compact triplexer in two-dimensional hexagonal lattice photonic crystals," Chin. Opt. Lett. 9, 042501- (2011)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-9-4-042501
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