Ryosuke Hirako, Kiyo Ishii, Hiroshi Hasegawa, Ken-ichi Sato, Osamu Moriwaki. Compact Matrix-Switch-Based Hierarchical Optical Path Cross-Connect with Colorless Waveband Add/Drop Ratio Restriction. IEICE Transactions, 94-B(4):918-927, 2011. [doi]
Abstract is missing.