We demonstrate an add/drop filter based on coupled vertical gratings on silicon. The concept is extended to implement a 1 by 4 wavelength division multiplexer with 3nm bandwidth, 1dB insertion loss and 16dB crosstalk suppression.
© 2011 OSA
D. T. H. Tan, K. Ikeda, S. Zamek, A. Mizrahi, M. Nezhad, A. Krishnamoorthy, K. Raj, J. Cunningham, X. Zheng, I. Shubin, Y. Luo, and Y. Fainman, "Wide Bandwidth, Low Loss 1 by 4 Wavelength Division Multiplexer on Silicon for Optical Interconnects," in Optical Fiber Communication Conference/National Fiber Optic Engineers Conference 2011, OSA Technical Digest (CD) (Optical Society of America, 2011), paper OMM4.
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