Falling Walls is an international platform for leaders in science, business, politics, the arts and society. Each year, it invites a distinguished panel of global leaders in science and research to nominate groundbreaking research and scientific breakthroughs that contribute to solving the world's greatest challenges in 10 different categories, including Engineering and Technology.
You can watch the video of Prof. Walther and Prof. Osellame explaining their research here.
The Nature Photonics article Experimental Photonic Quantum Memristor can be found here.