Anderson localization of composite excitations in disordered optomechanical 
arrays

Roque, Thales Figueiredo; Peano, Vittorio; Yevtushenko, Oleg M.; Marquardt, Florian

doi:10.1088/1367-2630/aa52e2

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Anderson localization of composite excitations in disordered optomechanical arrays

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Marquardt, Florian
Marquardt Division, Max Planck Institute for the Science of Light, Max Planck Society;
University of Erlangen-Nürnberg, Inst Theoret Phys 2;

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Citation

Roque, T. F., Peano, V., Yevtushenko, O. M., & Marquardt, F. (2017). Anderson localization of composite excitations in disordered optomechanical arrays. NEW JOURNAL OF PHYSICS, 19: 013006. doi:10.1088/1367-2630/aa52e2.

Cite as: https://hdl.handle.net/21.11116/0000-0000-7DCA-1

Abstract

Optomechanical (OMA) arrays are a promising future platform for studies of transport, many-body dynamics, quantum control and topological effects in systems of coupled photon and phonon modes. We introduce disordered OMA arrays, focusing on features of Anderson localization of hybrid photon-phonon excitations. It turns out that these represent a unique disordered system, where basic parameters can be easily controlled by varying the frequency and the amplitude of an external laser field. We show that the two-species setting leads to a non-trivial frequency dependence of the localization length for intermediate laser intensities. This could serve as a convincing evidence of localization in a non-equilibrium dissipative situation.