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A frequency-tunable nanomembrane mechanical oscillator with embedded quantum dots

Identificadores del recurso

Xueyong Yuan, Michael Schwendtner, Rinaldo Trotta, Yongheng Huo, Javier Martín-Sánchez, Giovanni Piredda, Huiying Huang, Johannes Edlinger, Christian Diskus, Oliver G. Schmidt, Bernhard Jakoby, Hubert J. Krenner, Armando Rastelli, Appl. Phys. Lett. 2019; 115 181902

https://ria.asturias.es/RIA/handle/123456789/12627

Procedencia

(Repositorio Institucional de Asturias: RIA)

Ficha

Título:: A frequency-tunable nanomembrane mechanical oscillator with embedded quantum dots
Tema:: Física; óptica cuántica; Publicado
Descrición:: Hybrid systems consisting of a quantum emitter coupled to a mechanical oscillator are receiving increasing attention for fundamental science and potential applications in quantum technologies. In contrast to most of the presented works, in which the oscillator eigenfrequencies are irreversibly determined by the fabrication process, we present here a simple approach to obtain frequency-tunable mechanical resonators based on suspended nanomembranes. The method relies on a micromachined piezoelectric actuator, which we use both to drive resonant oscillations of a suspended Ga(Al)As membrane with embedded quantum dots and to fine tune their mechanical eigenfrequencies. Specifically, we excite oscillations with frequencies of at least 60 MHz by applying an AC voltage to the actuator and tune the eigenfrequencies by at least 25 times their linewidth by continuously varying the elastic stress state in the membranes through a DC voltage. The light emitted by optically excited quantum dots is used as sensitive local strain gauge to monitor the oscillation frequency and amplitude. We expect that our method has the potential to be applicable to other optomechanical systems based on dielectric and semiconductor membranes possibly operating in the quantum regime.
Fonte:: 181902;
Idioma:: English
Relación:: A frequency-tunable nanomembrane mechanical oscillator with embedded quantum dots; 115; 18; No, esta versión no ha sido citada
Autor/Productor:: Yuan, Xueyong; Schwendtner, Michael; Trotta, Rinaldo; Huo, Yongheng; Martín-Sánchez, Javier; Piredda, Giovanni; Huang, Huiying; Edlinger, Johannes; Diskus, Christian; Schmidt, Oliver G.; Jakoby, Bernhard; Krenner, Hubert J.; Rastelli, Armando
Editor:: AIP (American Institute of Physics)
Dereitos:: http://creativecommons.org/licenses/by-nc-sa/3.0/deed.es
Data:: 2020-02-05T12:37:15Z; 2019-10-28
Tipo de recurso:: article
Formato:: application/pdf

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        <field name="value">Hybrid systems consisting of a quantum emitter coupled to a mechanical oscillator are receiving increasing attention for fundamental science and potential applications in quantum technologies. In contrast to most of the presented works, in which the oscillator eigenfrequencies are irreversibly determined by the fabrication process, we present here a simple approach to obtain frequency-tunable mechanical resonators based on suspended nanomembranes. The method relies on a micromachined piezoelectric actuator, which we use both to drive resonant oscillations of a suspended Ga(Al)As membrane with embedded quantum dots and to fine tune their mechanical eigenfrequencies. Specifically, we excite oscillations with frequencies of at least 60 MHz by applying an AC voltage to the actuator and tune the eigenfrequencies by at least 25 times their linewidth by continuously varying the elastic stress state in the membranes through a DC voltage. The light emitted by optically excited quantum dots is used as sensitive local strain gauge to monitor the oscillation frequency and amplitude. We expect that our method has the potential to be applicable to other optomechanical systems based on dielectric and semiconductor membranes possibly operating in the quantum regime.</field>
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    1. <element name="iso">
      1. <element name="eng">
        <field name="value">eng</field>
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      </element>
    </element>
  6. <element name="publisher">
    1. <element name="eng">
      1. <field name="value">AIP (American Institute of Physics)</field>
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    </element>
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        <field name="value">A frequency-tunable nanomembrane mechanical oscillator with embedded quantum dots</field>
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    2. <element name="haspart">
      1. <element name="eng">
        <field name="value">115</field>
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      </element>
    3. <element name="hasversion">
      1. <element name="eng">
        <field name="value">18</field>
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    4. <element name="isreferencedby">
      1. <element name="eng">
        <field name="value">No, esta versión no ha sido citada</field>
        </element>
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    </element>
  8. <element name="rights">
    1. <element name="eng">
      1. <field name="value">http://creativecommons.org/licenses/by-nc-sa/3.0/deed.es</field>
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  9. <element name="source">
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      1. <field name="value">181902;</field>
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  10. <element name="subject">
    1. <element name="eng">
      1. <field name="value">Física</field>
      2. <field name="value">óptica cuántica</field>
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        <field name="value">Publicado</field>
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  11. <element name="title">
    1. <element name="eng">
      1. <field name="value">A frequency-tunable nanomembrane mechanical oscillator with embedded quantum dots</field>
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      1. <field name="value">article</field>
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  1. <field name="handle">123456789/12627</field>
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  3. <field name="lastModifyDate">2020-04-16 16:26:13.236</field>
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  2. <field name="mail">gemma.gonzalez@ricoh.es</field>
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