The concept of PICaboo: from individual building blocks to complex photonic integrated circuits for future access and metro networks oleh Giannis Kanakis, Maria Spyropoulou, Giorgos Brestas, Weiming Yao, Jos J G M van der Tol, Alessio Miranda, Kolsoom Mehrabi, Dhiman Nag, Christophe Caillaud, Vladyslav Vakarin, Jordi Soler Penades, Inigo Artundo, Rene Bonk, Robert Borkowski, Despoina Petousi, Pablo Castro Ayala, Michael Eiselt, Hercules Avramopoulos