D. Huang, G. Li, E. Yuceturk, M. M. Wang, C. Berger, X. Zheng, P. J. Marchand, and S. C. Esener, "3D optical interconnect distributed crossbar switching architecture,"
in Optics in Computing, A. Sawchuk, ed.,
Vol. 48 of OSA Trends in Optics and Photonics
(Optical Society of America, 2001), paper OThB2.