研究目的
Investigating the generation of entangled states in a Kerr nonlinear coupler pumped by external classical fields, including the influence of laser width on the possibility of generating Bell states.
研究成果
The study demonstrates that maximally entangled states can be generated in a Kerr nonlinear coupler pumped by external classical fields, including a chaotic component. The presence of the chaotic component influences the quantum interference, affecting the generation and properties of the entangled states. The parameter related to the chaotic component plays a crucial role in controlling the system's behavior.
研究不足
The study is theoretical and does not account for practical experimental constraints such as decoherence, imperfections in the Kerr medium, or technical limitations in generating and controlling the external fields.
1：Experimental Design and Method Selection:
The study involves a Kerr nonlinear coupler model with two nonlinear oscillators linearly coupled and pumped by external classical fields. The quantum evolution is analyzed within a Hilbert space of two-qubit states.
2：Sample Selection and Data Sources:
The system's initial states are vacuum states, and the evolution is studied under the influence of external fields modeled as stochastic processes.
3：List of Experimental Equipment and Materials:
The model is theoretical, focusing on the quantum dynamics of the system without specifying physical equipment.
4：Experimental Procedures and Operational Workflow:
The study involves solving differential equations for complex probability amplitudes under the influence of external fields, including both coherent and chaotic components.
5：Data Analysis Methods:
The analysis includes calculating entangled entropies and probabilities of finding the system in Bell-like states, using theoretical and numerical methods.
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