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Experimental demonstration of full-field quantum optical coherence tomography

Photonics Research
  • Roberto Ramirez Alarcón, Zeferino Ibarra, Carlos Sevilla Gutiérrez, HECTOR CRUZ-RAMIREZ, and Alfred U'Ren
  • received 08/14/2019; accepted 10/05/2019; posted 10/08/2019; Doc. ID 375318
  • Abstract: We present to the best of our knowledge the first implementation of full-field quantum optical coherence tomography (FF-QOCT). In our system, we are able to obtain full 3D information about the internal structure of a sample under study by relying on transversely-resolved Hong Ou Mandel (HOM) interferometry with the help of an intensified CCD (ICCD) camera. Our system requires a single axial scan, obtaining the full-field transverse single-photon intensity in coincidence with the detection of the sibling photon, for each value of the signal-idler temporal delay. We believe that this capability constitutes a significant step forward towards the implementation of QOCT as a practical biomedical imaging technique.
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