1. McCormick, F.B., Tooley, F.A.P., Cloonan, T.J., Brubaker, J.L., Lentine, A.L., Morrison, R.L., Walker, S.L., Hinterlong, S.J., and Herron, M.J.: ‘S-SEED-based photonic switching network demonstration’, Photonic switching 1991, (OSA, Washington, DC 1991), p. 44–47 Technical Digest Series