(a) Schematic representation of a 4×4 MMI integrated chip. (b) Simulation of classical light propagation in the device shown schematically in a. A research group led by scientists from the University ...

A research group led by scientists from the University of Bristol has demonstrated the quantum operation of new components that will enable compact circuits for future photonic quantum computers.

In their work, the team makes use of multimode interference (MMI) devices, which are said to form a versatile class of integrated optical elements routinely used for splitting and recombining ...