Tan, D. T. H., Ikeda, K., Zamek, S., Mizrahi, A., Nezhad, M. P., Krishnamoorthy, A. V., Raj, K., Cunningham, J. E., Zheng, X., Shubin, I., Luo, Y., Fainman, Y., "Wide bandwidth, low loss 1 by 4 wavelength division multiplexer on silicon for optical interconnects", Optics Express, 2025