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Quantum state propagation in linear photonic bandgap structures

Severini, S; Tricca, D; Sibilia, C; Bertolotti, M; Perina, J; (2004) Quantum state propagation in linear photonic bandgap structures. J OPT B-QUANTUM S O , 6 (1) 110 - 114. 10.1088/1464-4266/6/1/018.

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Abstract

In this paper we investigate the propagation of a generic quantum state in a corrugated waveguide, which reproduces a photonic bandgap structure. We find the conditions that assure the outcoming state to preserve the quantum properties of the incoming state.Then, focusing on a particular quantum state (realized by two counter-propagating coherent states), we study the possibility of preserving the quantum properties of this particular double coherent state even in the presence of absorption phenomena during propagation in the structure.

Type:Article
Title:Quantum state propagation in linear photonic bandgap structures
DOI:10.1088/1464-4266/6/1/018
Keywords:photonic crystals, coupled mode theory, decoherence, quantum states propagation
UCL classification:UCL > School of BEAMS > Faculty of Engineering Science > Computer Science

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