May 20, 2020 Journal article Open Access

Karimi, Ebrahim; Leuchs, Gerd

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{
  "DOI": "10.1364/OE.27.017426", 
  "author": [
    {
      "family": "Karimi, Ebrahim"
    }, 
    {
      "family": "Leuchs, Gerd"
    }
  ], 
  "issued": {
    "date-parts": [
      [
        2020, 
        5, 
        20
      ]
    ]
  }, 
  "abstract": "<p>The ability to completely characterize the state of a quantum system is an essential element for the emerging quantum technologies. Here, we present a compressed-sensing inspired method to ascertain any rank-deficient qudit state, which we experimentally encode in photonic orbital angular momentum. We efficiently reconstruct these qudit states from a few scans with an intensified CCD camera. Since it requires only a few intensity measurements, our technique would provide an easy and accurate way to identify quantum sources, channels, and systems.</p>", 
  "title": "Compressed sensing of twisted photons", 
  "type": "article-journal", 
  "id": "3836624"
}