Nonlinear light generation in topological nanostructures

doi:10.1038/s41565-018-0324-7

Title: Nonlinear light generation in topological nanostructures

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Abstract

Topological photonics has emerged as a route to robust optical circuitry protected against disorder and now includes demonstrations such as topologically protected lasing and single-photon transport. Recently, nonlinear optical topological structures have attracted special theoretical interest, as they enable tuning of topological properties by a change in the light intensity and can break optical reciprocity to realize full topological protection. However, so far, non-reciprocal topological states have only been realized using magneto-optical materials and macroscopic set-ups with external magnets, which is not feasible for nanoscale integration. Here we report the observation of a third-harmonic signal from a topologically non-trivial zigzag array of dielectric nanoparticles and the demonstration of strong enhancement of the nonlinear photon generation at the edge states of the array. The signal enhancement is due to the interaction between the Mie resonances of silicon nanoparticles and the topological localization of the electric field at the edges. The system is also robust against various perturbations and structural defects. Furthermore, we show that the interplay between topology, bi-anisotropy and nonlinearity makes parametric photon generation tunable and non-reciprocal. Conclusively, our study brings nonlinear topological photonics concepts to the realm of nanoscience.

Authors:

Kruk, Sergey ^[1]; Poddubny, Alexander ^[2]; Smirnova, Daria ^[3]; Wang, Lei ^[1]; Slobozhanyuk, Alexey ^[4]; Shorokhov, Alexander ^[5];

^[6]; Luther-Davies, Barry ^[1]; Kivshar, Yuri ^[7]

Australian National Univ., Canberra, ACT (Australia)
Australian National Univ., Canberra, ACT (Australia); ITMO Univ., St Petersburg (Russia); Ioffe Inst., St Petersburg (Russia)
Australian National Univ., Canberra, ACT (Australia); Russian Academy of Sciences (RAS), Nizhny Novgorod (Russia)
ITMO Univ., St Petersburg (Russia)
Lomonosov Moscow State Univ., Moscow (Russia)
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Australian National Univ., Canberra, ACT (Australia); ITMO Univ., St Petersburg (Russia)

Publication Date:: 2018-12-17

Research Org.:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)

OSTI Identifier:: 1502557

Grant/Contract Number:: AC05-00OR22725

Resource Type:: Journal Article: Accepted Manuscript

Journal Name:: Nature Nanotechnology

Additional Journal Information:: Journal Volume: 14; Journal Issue: 2; Journal ID: ISSN 1748-3387

Publisher:: Nature Publishing Group

Country of Publication:: United States

Language:: English

Subject:: 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS

Citation Formats


                    Kruk, Sergey, Poddubny, Alexander, Smirnova, Daria, Wang, Lei, Slobozhanyuk, Alexey, Shorokhov, Alexander, Kravchenko, Ivan, Luther-Davies, Barry, and Kivshar, Yuri. Nonlinear light generation in topological nanostructures.  United States: N. p., 2018. 
        Web.  doi:10.1038/s41565-018-0324-7.

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                    Kruk, Sergey, Poddubny, Alexander, Smirnova, Daria, Wang, Lei, Slobozhanyuk, Alexey, Shorokhov, Alexander, Kravchenko, Ivan, Luther-Davies, Barry, & Kivshar, Yuri. Nonlinear light generation in topological nanostructures.  United States.  doi:10.1038/s41565-018-0324-7.

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                    Kruk, Sergey, Poddubny, Alexander, Smirnova, Daria, Wang, Lei, Slobozhanyuk, Alexey, Shorokhov, Alexander, Kravchenko, Ivan, Luther-Davies, Barry, and Kivshar, Yuri. Mon .  
        "Nonlinear light generation in topological nanostructures".  United States.  doi:10.1038/s41565-018-0324-7.

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@article{osti_1502557,

  title        = {Nonlinear light generation in topological nanostructures},

  author       = {Kruk, Sergey and Poddubny, Alexander and Smirnova, Daria and Wang, Lei and Slobozhanyuk, Alexey and Shorokhov, Alexander and Kravchenko, Ivan and Luther-Davies, Barry and Kivshar, Yuri},

  abstractNote = {Topological photonics has emerged as a route to robust optical circuitry protected against disorder and now includes demonstrations such as topologically protected lasing and single-photon transport. Recently, nonlinear optical topological structures have attracted special theoretical interest, as they enable tuning of topological properties by a change in the light intensity and can break optical reciprocity to realize full topological protection. However, so far, non-reciprocal topological states have only been realized using magneto-optical materials and macroscopic set-ups with external magnets, which is not feasible for nanoscale integration. Here we report the observation of a third-harmonic signal from a topologically non-trivial zigzag array of dielectric nanoparticles and the demonstration of strong enhancement of the nonlinear photon generation at the edge states of the array. The signal enhancement is due to the interaction between the Mie resonances of silicon nanoparticles and the topological localization of the electric field at the edges. The system is also robust against various perturbations and structural defects. Furthermore, we show that the interplay between topology, bi-anisotropy and nonlinearity makes parametric photon generation tunable and non-reciprocal. Conclusively, our study brings nonlinear topological photonics concepts to the realm of nanoscience.},

  doi          = {10.1038/s41565-018-0324-7},

  journal      = {Nature Nanotechnology},

  issn         = {1748-3387},

  number       = 2,

  volume       = 14,

  place        = {United States},

  year         = {2018},

  month        = {12}

}

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