Abstract
In this article, we study the geometric phase in a system formed by two spatially separated cavities interacting with the environment. Each cavity is lled by a linear optical medium and contains a quantum well. For different initial states, the robustness of the generated geometric phase is analyzed under the effects of the optical susceptibility, the dissipation of the cavities, the exciton-cavity and ber-cavity couplings. Our results show that the geometric phase is extremely sensitive to the effects of the cavity-exciton and the ber-cavity couplings as well as to the optical susceptibility. This opens new routes to understand the storage and manipulation of quantum data in a quantum network.
Highlights
The explorations of the system-environment interactions open the door to study more critical quantum phenomena, which are primary resources in quantum information and quantum computation [1]–[5]
For initial uncorrelated states |ψ(0) 2 and |ψ(0) 3, we investigate the effect of the couplings λk (i = 1, 2, 3) to generate geometric phase (GP) oscillations under the presence of the optical susceptibility χi and the dissipation rates κk = γk
It is shown that the generation and robustness of the GP oscillations are very sensitive to three parameters; first, the effects of the cavityexciton; second, the fiber-cavity coupling rates and to the susceptibility of the linear medium
Summary
The explorations of the system-environment interactions open the door to study more critical quantum phenomena, which are primary resources in quantum information and quantum computation [1]–[5]. An ensemble of cavity-QED systems, linked by an optical waveguide were recently investigated to realize quantum gates and quantum networks. They contribute to the architecture of the distributed quantum computing [22] where the quantum network can be envisaged as spatially separated local qubits [23]–[26]. The motivation of our work can be summarized into two main points: (1) Studying the contribution of the multi-qubit systems linked by an optical waveguide This could be a guideline for the realization of quantum networks based on distributed quantum nodes (qubits), for the storage and manipulation of quantum data [29], [30].
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