M/F Doctoral Student Quantum Computing And Communication With Frequency Bins

Universities and Institutes of France


August 19, 2022


  • Organisation/Company: CNRS
  • Research Field: Physics
  • Researcher Profile: First Stage Researcher (R1)
  • Application Deadline: 19/08/2022 23:59 - Europe/Brussels
  • Location: France › PALAISEAU
  • Type Of Contract: Temporary
  • Job Status: Full-time
  • Hours Per Week: 35
  • Offer Starting Date: 01/10/2022
  • In practice, the PhD student will work on the evaluation of the protocols, the quantum and experimental resources needed and the optical implementations. He/she will conduct experiments in the laboratory with the frequency-intruded state generated by a silicon-on-insulator (SOI) microresonator source. She- He will use superconducting detectors, photon arrival time correlation devices: setup, automation, measurements, adjustments. Iellel will also conduct simulations and write scientific papers, present her results in conferences etc.

    M/F PhD student Quantum Computing and Communication with Frequency BinsUsing the photon's frequency degree of freedom enhances the potential of quantum information because information can be encoded in more than two states. This contrasts for example with polarization qubits in photonics. The advantage of bit/frequency multiplexing, where a large number of frequency-encoded qubits travel together in a spatial mode without interacting with each other, is being exploited worldwide. Manipulation of frequency-encoded qubits scales, as the number of components required for quantum gates does not increase with the number of qubits. The PhD work will be devoted to the scaling of frequency-domain information processing that we have developed since 2019 at C2N. Our group has indeed very recently implemented frequency-domain quantum gates to perform quantum state tomography of frequency-intruded telecom wavelength photons. The PhD student will tackle the generation and manipulation of entanglement in 3 or more frequency bands, with applications in quantum communication and computation. Possible extension of the work includes communication in a real network with our Telecom neighbors and collaborators, design and testing of building blocks for integration of the scheme and transposition to deterministic light sources (cavity quantum dots).

    Web site for additional job details

    https: // emploi.cnrs.fr/Offres/Doctorant/UMR9001-NADBEL-003/Default.aspx

    Required Research Experiences
  • Physics

  • None

    Offer Requirements
  • Physics: Master Degree or equivalent

  • FRENCH: Basic

    Contact Information
  • Organisation/Company: CNRS
  • Department: Centre de Nanosciences et de Nanotechnologies
  • Organisation Type: Public Research Institution
  • Website: https:// www. c2n.universite-paris-saclay.fr/fr/
  • Country: France
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