Universal distributed blind quantum computing with solid-state qubits
Yan-Cheng Wei, Pieter-Jan Stas, Aziza Suleymanzade, Gefen Baranes, Francisco Machado, Yan Qi Huan, Can M. Knaut, Sophie Weiyi Ding, Moritz Merz, Erik Knall, Umut Yazlar, Maxim A. Sirotin, I. Wang, Bartholomeus Machielse, Susanne F. Yelin, Johannes Borregaard, Hongkun Park, Marko Lončar, Mikhail D. Lukin
Abstract
Blind quantum computing is a promising application of distributed quantum systems, in which a client can perform computations on a remote server without revealing any details of the applied circuit. Although the most promising realizations of quantum computers are based on various matter-qubit platforms, implementing blind quantum computing on matter qubits remains a challenge. Using silicon-vacancy (SiV) centers in nanophotonic diamond cavities with an efficient optical interface, we demonstrated a universal quantum gate set consisting of single- and two-qubit blind gates over a distributed two-node network. Using these ingredients, we performed a distributed algorithm with blind operations across our two-node network, proving a route to develop blind quantum computation with matter qubits in distributed, modular architectures.