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28 November 2011 1×3 optical drop splitter in a rod-type silicon photonic crystal
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Proceedings Volume 8308, Optoelectronic Materials and Devices VI; 83081K (2011)
Event: SPIE/OSA/IEEE Asia Communications and Photonics, 2011, Shanghai, China
We report an 1×3 optical drop splitter (ODS) based on a self-collimation ring resonator (SCRR) in a rod-type silicon photonic crystal. The proposed 1×3 ODS consists of four beam splitters which are formed by changing the radius of one row of silicon rods. When the self-collimated light with resonance frequency is launched into the ODS, the light beam can be split into three parts come out from three drop ports while no light coming out from the through port. The splitting ratio of the three drop beams can be controlled by tuning the radii of the beam splitters. The FDTD method is employed to calculate the transmission of the 1×3 ODS. For the drop wavelength of 1550 nm, the free spectral range is 28.7 nm, which almost covers the whole optical communication C-band window. This 1×3 ODS may have applications in photonic integrated circuits.
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Dongxia Zhuang, Xiyao Chen, Junjun Li, Guimin Lin, Zexuan Qiang, Yishen Qiu, and Hui Li "1×3 optical drop splitter in a rod-type silicon photonic crystal", Proc. SPIE 8308, Optoelectronic Materials and Devices VI, 83081K (28 November 2011);

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