[3] A. Ribeiro, A. Ruocco, L. Vanacker, W. Bogaerts. Demonstration of a 4 × 4-port self-configuring universal linear optical component. Progress in Electromagnetics Research Symposium (PIERS), 3, 3372-3375(2016).
[9] D. A. B. Miller. Self-aligning universal beam coupler. Opt. Express, 21, 6360-6370(2013).
[12] D. A. B. Miller. Perfect optics with imperfect components. Optica, 2, 747-750(2015).
[24] W. Bogaerts, M. Fiers, M. Sivilotti, P. Dumon. The IPKISS photonic design framework. Optical Fiber Communications Conference and Exhibition (OFC), 1-3(2016).