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Classical analogue of displaced Fock states and quantum correlations in Glauber-Fock photonic lattices | |
ARMANDO PEREZ LEIJA Héctor Manuel Moya Cessa | |
Acceso Abierto | |
Atribución-NoComercial-SinDerivadas | |
Classical analogue Quantum correlations | |
Coherent states and their generalisations, displaced Fock states, are of fundamental importance to quantum optics. Here we present a direct observation of a classical analogue for the emergence of these states from the eigenstates of the harmonic oscillator. To this end, the light propagation in a Glauber-Fock waveguide lattice serves as equivalent for the displacement of Fock states in phase space. Theoretical calculations and analogue classical experiments show that the square-root distribution of the coupling parameter in such lattices supports a new family of intriguing quantum correlations not encountered in uniform arrays. Due to the broken shift-invariance of the lattice, these correlations strongly depend on the transverse position. Consequently, quantum random walks with this extra degree of freedom may be realised in Glauber-Fock lattices. | |
Physical Review Letters | |
2011-09 | |
Artículo | |
Inglés | |
Estudiantes Investigadores Público en general | |
Keil, Robert, et al., (2011), Classical analogue of displaced Fock states and quantum correlations in Glauber-Fock photonic lattices, Physical Review Letters. Vol. 107(10):1-5 | |
ÓPTICA | |
Versión aceptada | |
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Appears in Collections: | Artículos de Óptica |
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