Multi-Output Quantum Pulse Gate: a High-Dimensional Temporal-Mode Decoder
Laura Serino, Jano Gil-López, Michael Stefszky, Raimund Ricken, Christof Eigner, Benjamin Brecht, Christine Silberhorn · Frontiers in Optics + Laser Science 2022 (FIO, LS) · 2022
We demonstrate a temporal-mode decoder based on a multi-output quantum pulse gate. Measurement tomography on a complete set of five-dimensional mutually unbiased bases confirms single-photon-level operation at telecom wavelengths with an average fidelity of 96%.