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A one-dimensional optomechanical crystal with a complete phononic band gap

Author

Listed:
  • J. Gomis-Bresco

    (ICN2—Institut Catala de Nanociencia i Nanotecnologia, Campus UAB)

  • D. Navarro-Urrios

    (ICN2—Institut Catala de Nanociencia i Nanotecnologia, Campus UAB
    Present address: NEST, Istituto Nanoscienze – CNR and Scuola Normale Superiore, Piazza San Silvestro 12, Pisa, I-56127)

  • M. Oudich

    (Institut d'Electronique, de Microélectronique et de Nanotechnologie, UMR CNRS 8520, UFR de Physique, Université Lille1
    Present address: Institut Jean Lamour, Université de Lorraine, Vandoeuvre-lès-Nancy, F-54500, France)

  • S. El-Jallal

    (Institut d'Electronique, de Microélectronique et de Nanotechnologie, UMR CNRS 8520, UFR de Physique, Université Lille1
    PRILM, Université Moulay Ismail, Faculté des sciences)

  • A. Griol

    (Nanophotonics Technology Center, Universitat Politècnica de València)

  • D. Puerto

    (Nanophotonics Technology Center, Universitat Politècnica de València
    Laboratoire Lasers Plasmas et Procédés Photoniques (LP3), CNRS et de l Université de la Méditerranée, 163 Avenue de Luminy, Marseille FR-13288, France
    Present address: Institut Jean Lamour, Université de Lorraine, Vandoeuvre-lès-Nancy, F-54500, France)

  • E. Chavez

    (ICN2—Institut Catala de Nanociencia i Nanotecnologia, Campus UAB
    Universitat Autònoma de Barcelona)

  • Y. Pennec

    (Institut d'Electronique, de Microélectronique et de Nanotechnologie, UMR CNRS 8520, UFR de Physique, Université Lille1)

  • B. Djafari-Rouhani

    (Institut d'Electronique, de Microélectronique et de Nanotechnologie, UMR CNRS 8520, UFR de Physique, Université Lille1)

  • F. Alzina

    (ICN2—Institut Catala de Nanociencia i Nanotecnologia, Campus UAB)

  • A. Martínez

    (Nanophotonics Technology Center, Universitat Politècnica de València)

  • C.M. Sotomayor Torres

    (ICN2—Institut Catala de Nanociencia i Nanotecnologia, Campus UAB
    ICREA—Institucio Catalana de Recerca i Estudis Avançats)

Abstract

Recent years have witnessed the boom of cavity optomechanics, which exploits the confinement and coupling of optical and mechanical waves at the nanoscale. Among their physical implementations, optomechanical (OM) crystals built on semiconductor slabs enable the integration and manipulation of multiple OM elements in a single chip and provide gigahertz phonons suitable for coherent phonon manipulation. Different demonstrations of coupling of infrared photons and gigahertz phonons in cavities created by inserting defects on OM crystals have been performed. However, the considered structures do not show a complete phononic bandgap, which should enable longer lifetimes, as acoustic leakage is minimized. Here we demonstrate the excitation of acoustic modes in a one-dimensional OM crystal properly designed to display a full phononic bandgap for acoustic modes at 4 GHz. The modes inside the complete bandgap are designed to have high-mechanical Q-factors, limit clamping losses and be invariant to fabrication imperfections.

Suggested Citation

  • J. Gomis-Bresco & D. Navarro-Urrios & M. Oudich & S. El-Jallal & A. Griol & D. Puerto & E. Chavez & Y. Pennec & B. Djafari-Rouhani & F. Alzina & A. Martínez & C.M. Sotomayor Torres, 2014. "A one-dimensional optomechanical crystal with a complete phononic band gap," Nature Communications, Nature, vol. 5(1), pages 1-6, December.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms5452
    DOI: 10.1038/ncomms5452
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