Optimal Projection for Detection of Random Displacement Error
Fumiya Hanamura, Warit Asavanant, Kosuke Fukui, Akira Furusawa · Frontiers in Optics + Laser Science 2022 (FIO, LS) · 2022
We propose a general method to find the optimal projection for detecting random displacement errors for given input states. We apply the method to Fock, GKP, and cat states in Gaussian displacement cases.