We propose and experimentally demonstrate a compact, highly efficient, and negligible cross-talk silicon-on- insulator crossing using a periodic dielectric waveguide. The crossing occupies a footprint of less than . Around insertion loss and lower than , cross talk was achieved experimentally over a broad wavelength range.
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CorrectionsJunbo Feng, Qunqing Li, and Shoushan Fan, "Compact and low cross-talk silicon-on-insulator crossing using periodic dielectric waveguide: erratum," Opt. Lett. 36, 2308-2308 (2011)