Topological dynamics near exceptional points in an optomechanical system

Luyao Jiang; Haitan Xu; David Mason; J. G. E. Harris

doi:10.1117/12.2250644

27 February 2017 Topological dynamics near exceptional points in an optomechanical system

Luyao Jiang, Haitan Xu, David Mason, J. G. E. Harris

Proceedings Volume 10120, Complex Light and Optical Forces XI; 1012014 (2017) https://doi.org/10.1117/12.2250644
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

Recently, it was predicted that the energy transfer between normal modes of open systems with a specific type of degeneracy known as an exceptional point (EP) could be achieved by topological operations, and that the outcome of these operations would be non-reciprocal.¹ Here we demonstrate this topological transfer of energy between two vibrational modes of a cryogenic optomechanical device using a tunable laser. We also show the non-reciprocity of the energy transfer process. These results open up new directions in system control, as well as other dynamical processes of multimode systems that are robust against small perturbations.

Citation Download Citation

Luyao Jiang, Haitan Xu, David Mason, and J. G. E. Harris "Topological dynamics near exceptional points in an optomechanical system", Proc. SPIE 10120, Complex Light and Optical Forces XI, 1012014 (27 February 2017); https://doi.org/10.1117/12.2250644

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