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Based on the classic analog dual-mode waveguide optical field landscape mode quantum entanglement

Author: ZhangXun
Tutor: FuJian
School: Zhejiang University
Course: Optical Communication Technology
Keywords: Quantum entanglement Waveguide landscape mode Correlation function Bell's Inequality GHZ state
CLC: O431.2
Type: Master's thesis
Year: 2006
Downloads: 41
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Quantum entanglement quantum mechanics is the most fundamental and unique nature of one of the key because it is quantum computing and quantum teleportation has been widespread concern and in-depth research in the international arena. This paper first introduces a quantum computing as the representative of quantum information, quantum entanglement basic nature and the importance of quantum entanglement in quantum information. Then introduced based on quantum computing scheme of dual-mode waveguide light field in landscape mode, the program the waveguide light field landscape mode coding qubit control based on nonlinear optical NAND gate. On this basis, this paper proposes the idea of ??a light field landscape mode achieve quantum entanglement classic analog mode entangled states as quantum entangled state classic analog control NAND gate or linear optics devices, and this mode study the properties of the entangled state. The main work of this paper are as follows: First, the use of finite difference beam propagation method (FD-BPM) computer simulation, based on the Bell inequality measurement, the mode entangled state of two entangled state solution based on the nonlinear optical mode field correlation function, the correlation function can produce the Bell inequality destruction, there is a nonlocal correlation between the two light field in proof mode entangled state can be used as the classical analog of the quantum entangled state. Further, this paper establishes a random phase difference calibration ensemble model to describe the mode entangled state. Then this paper, a new linear optics-based programs to achieve two light field mode entangled state. On this program, the computer simulation results show that this mode entangled state can be generated completely entangled state is similar to the correlation function, the same can destroy the Bell inequality. Such programs more clearly random phase ensemble can display mode entangled state nonlocal nature accurately portray the nonlocal nature is likely to come from this random phase mechanism. Next linear optical scheme to promote the use of three light field classic analog three-particle GHZ state. By the GHZ theorem shows, full three-particle correlation can be given the presence of non-statistical criterion for quantum entanglement, this is a more reliable criterion based on the statistical properties of the Bell inequality. Further computer simulation results show that three classic mode entangled state light field correlation function with the quantum the GHZ state completely similar and non-statistical criterion mode entangled state of non-local correlation. This is further evidence of the feasibility of using the landscape mode waveguide to achieve quantum entanglement. In this paper, the realization of quantum entanglement of classic analog program is fully under the existing experimental conditions can be achieved, so we carried out some experimental work to prepare for further experimental verification. The end of the article gives a discussion and summary.

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CLC: > Mathematical sciences and chemical > Physics > Optics > The light nature of the theory > Quantum optics
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