Phase Shifter, Quantum Logic Gate Apparatus, Optical Quantum Computing Apparatus, and Phase Shift Method

摘要

A phase shifter, a quantum logic gate apparatus, an optical quantum computing apparatus, and a phase shift method, where the phase shifter includes an optical resonant cavity and a quantum point, where a resonance frequency of the optical resonant cavity is ω_c, the quantum point is located in the optical resonant cavity, and a transition frequency of the quantum point is ω_x, the quantum point and the optical resonant cavity are coupled to form a coupled system, and a transition energy difference of the coupled system is determined by ω_c, ω_x, and a coupling strength between the quantum point and the optical resonant cavity (g), and ω_x is set.