Waveguide crossings are essential for complex photonic circuits. We present compact crossings for silicon-on-insulator photonic wires. By locally applying a lower index contrast, 97.5% transmission is achieved in a 6µm length with only -40dB crosstalk.
© 2007 Optical Society of America
W. Bogaerts, P. Dumon, D. Van Thourhout, and R. Baets, " Compact, Low-Loss Waveguide Crossings for High-Index-Contrast SOI Photonic Wires," in Optical Fiber Communication Conference and Exposition and The National Fiber Optic Engineers Conference, OSA Technical Digest Series (CD) (Optical Society of America, 2007), paper OTuM1.
References are not available for this paper.