Observation of a localization transition in quasiperiodic photonic lattices

Y. Lahini; R. Pugatch; F. Pozzi; M. Sorel; R. Morandotti; N. Davidson; Y. Silberberg

doi:10.1103/PhysRevLett.103.013901

Observation of a localization transition in quasiperiodic photonic lattices

Y. Lahini, R. Pugatch, F. Pozzi, M. Sorel, R. Morandotti, N. Davidson, Y. Silberberg

Research output: Contribution to journal › Article › peer-review

358 Scopus citations

Abstract

We report the observation of the signature of a localization phase transition for light in one-dimensional quasiperiodic photonic lattices, by directly measuring wave transport inside the lattice. Below the predicted transition point an initially narrow wave packet expands as it propagates, while above the transition expansion is fully suppressed. In addition, we measure the effect of focusing nonlinear interaction on the propagation and find it increases the width of the localized wave packets.

Original language	English
Article number	013901
Journal	Physical Review Letters
Volume	103
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevLett.103.013901
State	Published - 30 Jun 2009
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.103.013901

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abstract = "We report the observation of the signature of a localization phase transition for light in one-dimensional quasiperiodic photonic lattices, by directly measuring wave transport inside the lattice. Below the predicted transition point an initially narrow wave packet expands as it propagates, while above the transition expansion is fully suppressed. In addition, we measure the effect of focusing nonlinear interaction on the propagation and find it increases the width of the localized wave packets.",

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AU - Sorel, M.

AU - Morandotti, R.

AU - Davidson, N.

AU - Silberberg, Y.

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AB - We report the observation of the signature of a localization phase transition for light in one-dimensional quasiperiodic photonic lattices, by directly measuring wave transport inside the lattice. Below the predicted transition point an initially narrow wave packet expands as it propagates, while above the transition expansion is fully suppressed. In addition, we measure the effect of focusing nonlinear interaction on the propagation and find it increases the width of the localized wave packets.

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Observation of a localization transition in quasiperiodic photonic lattices

Abstract

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