Key building blocks for high-capacity WDM photonic transport networks. - Amaury Jourdan; Fatima Bakhti; Luc Berthelon; Frank Bruyere; Michel W. Chbat; Dominique Chiaroni; Christophe Drion; Gert J. Eilenberger; M. Garnot; Francesco Masetti; Philippe A. Perrier; Monique Renaud (IEEE J. Sel. Areas Commun., 1998)