{
  "id": "1011.3974",
  "version": "v2",
  "published": "2010-11-17T15:14:29.000Z",
  "updated": "2010-11-22T16:37:00.000Z",
  "title": "Optoelectronic cooling of mechanical modes in a semiconductor nanomembrane",
  "authors": [
    "K. Usami",
    "A. Naesby",
    "T. Bagci",
    "B. Melholt Nielsen",
    "J. Liu",
    "S. Stobbe",
    "P. Lodahl",
    "E. S. Polzik"
  ],
  "comment": "5 pages, 4 figures",
  "categories": [
    "cond-mat.mes-hall",
    "physics.optics",
    "quant-ph"
  ],
  "abstract": "Optical cavity cooling of mechanical resonators has recently become a research frontier. The cooling has been realized with a metal-coated silicon microlever via photo-thermal force and subsequently with dielectric objects via radiation pressure. Here we report cavity cooling with a crystalline semiconductor membrane via a new mechanism, in which the cooling force arises from the interaction between the photo-induced electron-hole pairs and the mechanical modes through the deformation potential coupling. The optoelectronic mechanism is so efficient as to cool a mode down to 4 K from room temperature with just 50 uW of light and a cavity with a finesse of 10 consisting of a standard mirror and the sub-wavelength-thick semiconductor membrane itself. The laser-cooled narrow-band phonon bath realized with semiconductor mechanical resonators may open up a new avenue for photonics and spintronics devices.",
  "revisions": [
    {
      "version": "v2",
      "updated": "2010-11-22T16:37:00.000Z"
    }
  ],
  "analyses": {
    "keywords": [
      "mechanical modes",
      "semiconductor nanomembrane",
      "optoelectronic cooling",
      "narrow-band phonon bath",
      "crystalline semiconductor membrane"
    ],
    "note": {
      "typesetting": "TeX",
      "pages": 5,
      "language": "en",
      "license": "arXiv",
      "status": "editable",
      "adsabs": "2010arXiv1011.3974U"
    }
  }
}