PhD Position (m/f/d) Towards quantum polaromechanicsPaul-Drude-Institut für Festkörperelektronik • Leibniz-Institut im Forschungsverbund Berlin e.V. • Berlin

Germany Universities


December 10, 2021


Open Positions 1

Time Span as soon as possible for 3 years Application Deadline 10 Dec 2021 Financing yes Type of Position

  • PhD - Individual Supervisor
  • Field of Research

  • Mathematics / Natural Sciences
  • Subjects Physics Description The Paul-Drude-Institut (PDI) performs basic research as a lively symbiosis of materials science and solid-state physics. Our research aims at inspiring and demonstrating new functionalities for future information technologies. As a member of the Leibniz-Gemeinschaft and Forschungsverbund Berlin e. V., we are an independent research institute with about 100 employees and collabo-rate with all three universities in Berlin. We are located in the very heart of the city near the Gendarmenmarkt. You may find more details at www.

    PhD Position (m/f/d) Towards quantum polaromechanics

    Exciton-polaritons are light-matter particles which hybridize with GHz vibrations (phonons) in μm-sized potential traps defined within an (Al,Ga)As semiconduc-tor microcavity (MC). The strong interactions between the confined particles creates a coherently mixed phonon-polariton state, which manifest itself as mechanical and optical self-oscillations of the intracavity trap upon optical exci-tation. The goal of the present project is the investigation of dimensionality effects on mixed phonon-polariton particles with frequencies up to 30 GHz in intracavity traps with sub-m-sizes. The PhD student will fabricate the struc-tures and use optical and electrical techniques to study confinement-induced effects down to the quantum acoustic regime, where the thermal phonon population approaches unit at low temperatures (down to 2 K). Besides insights on many-body quantum physics, the investigations will pave the way for the reversible inter- conversion between microwave and terahertz quantum excita-tions.

    We invite applications from candidates with a master or diploma degree in physics, material science, or related area, a solid background in solid-state physics as well as in either the growth, processing, or optical spectroscopy of semiconductor nanostructures. We are looking for a team player with a high level of communication skills who fits into our team of highly motivated re- searchers and technical staff.

    The position is available for 3 years. Payment is according to TVöD (Treaty for German public service). The Paul Drude Institute aims at increasing the quota of female employees. The application of women is therefore encouraged. Among equally qualified applicants, preference will be given to disabled candidates.

    Applications including a dedicated cover letter, CV, two references, degree(s), and transcript(s) should be sent in PDF format using “QuantumPol” in the subject by December 10, 2021, to

    For scientific or technical questions related to the project, please contact: Dr. Paulo Santos, or Dr. Klaus Biermann,

    Working Language

  • English
  • Language of Dissertation

  • English
  • Required Documents

  • CV
  • Reports, certificates
  • Transcripts
  • Letter of Motivation
  • Others : two references
  • More Information https:// www. mfd-towards-quantum-polaromechanics/

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