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Dual-channel spontaneous emission of quantum dots in magnetic metamaterials

Author

Listed:
  • Manuel Decker

    (Nonlinear Physics Centre, Research School of Physics and Engineering, The Australian National University)

  • Isabelle Staude

    (Nonlinear Physics Centre, Research School of Physics and Engineering, The Australian National University)

  • Ivan I. Shishkin

    (National Research University for Information Technology, Mechanics and Optics (ITMO)
    Ioffe Physical Technical Institute of the Russian Academy of Sciences)

  • Kirill B. Samusev

    (National Research University for Information Technology, Mechanics and Optics (ITMO)
    Ioffe Physical Technical Institute of the Russian Academy of Sciences)

  • Patrick Parkinson

    (Research School of Physics and Engineering, The Australian National University)

  • Varun K. A. Sreenivasan

    (MQ Photonics & MQ Biophotonics Research Centers, Macquarie University)

  • Alexander Minovich

    (Nonlinear Physics Centre, Research School of Physics and Engineering, The Australian National University)

  • Andrey E. Miroshnichenko

    (Nonlinear Physics Centre, Research School of Physics and Engineering, The Australian National University)

  • Andrei Zvyagin

    (MQ Photonics & MQ Biophotonics Research Centers, Macquarie University)

  • Chennupati Jagadish

    (Research School of Physics and Engineering, The Australian National University)

  • Dragomir N. Neshev

    (Nonlinear Physics Centre, Research School of Physics and Engineering, The Australian National University)

  • Yuri S. Kivshar

    (Nonlinear Physics Centre, Research School of Physics and Engineering, The Australian National University
    National Research University for Information Technology, Mechanics and Optics (ITMO))

Abstract

Metamaterials, artificial electromagnetic media realized by subwavelength nano-structuring, have become a paradigm for engineering electromagnetic space, allowing for independent control of both electric and magnetic responses of the material. Whereas most metamaterials studied so far are limited to passive structures, the need for active metamaterials is rapidly growing. However, the fundamental question on how the energy of emitters is distributed between both (electric and magnetic) interaction channels of the metamaterial still remains open. Here we study simultaneous spontaneous emission of quantum dots into both of these channels and define the control parameters for tailoring the quantum-dot coupling to metamaterials. By superimposing two orthogonal modes of equal strength at the wavelength of quantum-dot photoluminescence, we demonstrate a sharp difference in their interaction with the magnetic and electric metamaterial modes. Our observations reveal the importance of mode engineering for spontaneous emission control in metamaterials, paving a way towards loss-compensated metamaterials and metamaterial nanolasers.

Suggested Citation

  • Manuel Decker & Isabelle Staude & Ivan I. Shishkin & Kirill B. Samusev & Patrick Parkinson & Varun K. A. Sreenivasan & Alexander Minovich & Andrey E. Miroshnichenko & Andrei Zvyagin & Chennupati Jagad, 2013. "Dual-channel spontaneous emission of quantum dots in magnetic metamaterials," Nature Communications, Nature, vol. 4(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:4:y:2013:i:1:d:10.1038_ncomms3949
    DOI: 10.1038/ncomms3949
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