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    Enhanced energy storage in chaotic optical resonators

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    Type
    Article
    Authors
    Liu, Changxu cc
    Di Falco, Andrea
    Molinari, Diego P.
    Khan, Yasser
    Ooi, Boon S. cc
    Krauss, Thomas F.
    Fratalocchi, Andrea cc
    KAUST Department
    Applied Mathematics and Computational Science Program
    Electrical Engineering Program
    PRIMALIGHT Research Group
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Photonics Laboratory
    KAUST Grant Number
    CRG-1-2012-FRA-005
    Date
    2013-05-05
    Online Publication Date
    2013-05-05
    Print Publication Date
    2013-06
    Permanent link to this record
    http://hdl.handle.net/10754/562757
    
    Metadata
    Show full item record
    Abstract
    Chaos is a phenomenon that occurs in many aspects of contemporary science. In classical dynamics, chaos is defined as a hypersensitivity to initial conditions. The presence of chaos is often unwanted, as it introduces unpredictability, which makes it difficult to predict or explain experimental results. Conversely, we demonstrate here how chaos can be used to enhance the ability of an optical resonator to store energy. We combine analytic theory with ab initio simulations and experiments in photonic-crystal resonators to show that a chaotic resonator can store six times more energy than its classical counterpart of the same volume. We explain the observed increase by considering the equipartition of energy among all degrees of freedom of the chaotic resonator (that is, the cavity modes) and discover a convergence of their lifetimes towards a single value. A compelling illustration of the theory is provided by enhanced absorption in deformed polystyrene microspheres. © 2013 Macmillan Publishers Limited. All rights reserved.
    Citation
    Liu, C., Di Falco, A., Molinari, D., Khan, Y., Ooi, B. S., Krauss, T. F., & Fratalocchi, A. (2013). Enhanced energy storage in chaotic optical resonators. Nature Photonics, 7(6), 473–478. doi:10.1038/nphoton.2013.108
    Sponsors
    The resources of the Supercomputing Laboratory at King Abdullah University of Science & Technology (KAUST) were used for computer time. A.F. acknowledges funding from KAUST (award no. CRG-1-2012-FRA-005). A.D.F. is supported by an EPSRC Career Acceleration Fellowship (EP/ I004602/1).
    Publisher
    Springer Nature
    Journal
    Nature Photonics
    DOI
    10.1038/nphoton.2013.108
    ae974a485f413a2113503eed53cd6c53
    10.1038/nphoton.2013.108
    Scopus Count
    Collections
    Articles; Applied Mathematics and Computational Science Program; PRIMALIGHT Research Group; Electrical and Computer Engineering Program; Photonics Laboratory; Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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