Applied Research of Quantum Information Based on Linear by Xiaoye Xu

By Xiaoye Xu

This thesis stories on awesome paintings in major subfields of quantum details technological know-how: one comprises the quantum size challenge, and the opposite issues quantum simulation. The thesis proposes utilizing a polarization-based displaced Sagnac-type interferometer to accomplish partial cave in size and its reversal, and offers the 1st experimental verification of the nonlocality of the partial cave in dimension and its reversal. the entire experiments are performed within the linear optical process, one of many earliest experimental platforms to hire quantum conversation and quantum info processing. The thesis argues that quantum size can yield quantum entanglement restoration, that's verified through the use of the frequency freedom to simulate the surroundings. in accordance with the vulnerable size conception, the writer proposes that white gentle can be utilized to exactly estimate part, and successfully demonstrates that the imaginary a part of the susceptible price could be brought by way of vulnerable dimension evolution. finally, a nine-order polarization-based displaced Sagnac-type interferometer making use of bulk optics is developed to accomplish quantum simulation of the Landau-Zener evolution, and through tuning the approach Hamiltonian, the 1st test to investigate the Kibble-Zurek mechanism in non-equilibrium kinetics procedures is conducted within the linear optical system.

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