We are looking for qualified candidates with Bachelor, Master oder PhD degree for the realisation of our research programm. Some specific research projects are listed below.

For inquiries about our topical job offers at IQMT please contact Prof. Matthieu Le Tacon.

PhD students of IQMT can apply for membership of

KIT Graduate School of Quantum Matter

to attend summer schools and other activities.

Post-doc Position

"Elastic Tuning and Response of Electronic Quantum Phases of Matter"

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There are still jobs in the collaborative research center transregio Elastic tuning and response of electronic quantum phases of matter available. The positions at KIT are located at the Institute for Quantum Materials and Technologies (IQMT). There is a wide range of possible tasks including material synthesis, characterization, thermodynamics, spectroscopic probes and theoretical modelling.

To inquire about theses opportunities, please contact Prof. Matthieu Le Tacon.

 

Post-doc Position

"Synthesise and crystallographic characterisation of new quantum materials"

in the Working Group New Materials, Transport, Thermodynamics and Mesoscopics

You are responsible for the synthesis and crystallographic characterization of novel quantum materials and participate in the fabrication of these materials. Your activities will also include x-ray diffraction investigation of single crystal and powder samples studied at the institute and the evaluation of these data. Publication and presentation of scientific results is also part of your responsibilities.

You have a university degree (Diploma (Uni)/Master) in physics with a completed PhD. Expertise in solid state physics, single-crystal and powder diffraction as well as superconductors, semiconductors and insulators is required. Basic knowledge in crystallography and crystal growth is an advantage. Very good written and spoken English skills complete your profile.

Contact: Dr. Amir Abbas Haghighirad

 

Post-doc Position

"Investigation of Elementary Excitations in Strongly Correlated Materials under Extreme Conditions"

in the Working Group Inelastic Photon Scattering

You will collaborate in inelastic photon scattering experiments for the investigation of elementary excitations in strongly correlated materialis under extreme conditions. The work is performed in close collaboration with the single crystal and/or the thin film working group as well as the theory working group of IQMT.

Contact: Prof. Matthieu Le Tacon.

 

Post-doc Position

"Superconducting Quantum Electronics"

in the Working Group Kinetic Inductance Quantum Systems

We invite motivated postdoctoral candidates with a PhD in physics to apply for a fellowship in our group. We are especially looking for candidates with experience in one of the following fields: microfabrication, low temperature condensed matter, or high-frequency electronics.

Contact: Dr. Ioan Pop

 

PhD Position

"Topological states in oxide heterostructures "

in the Working Group Thin Films and Interfaces

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The search for non-trivial topological (quantum) states is one of the most active fields in solid-state physics and material science. Dirac points or node-lines in topological metals/insulators result in unusual properties, such as exotic surface states and anomalous transport phenomena that are unaffected by deformation (strain) or disorder. Topological sates sensitively depend on the symmetry class (time-reversal-invariant) of the crystal structure. Therefore, superlattice structures provide an alternative approach to produce new topological materials. The advances in current thin-film deposition techniques enable the synthesis of digital oxide superlattices and heterostructures with atomic resolution. Complex oxides are known for a large variety of intriguing phenomena such as for example high temperature superconductivity and long-range charge/spin/orbital or even multiferroic order and likely provide perfect possibilities for such an approach. The experimental work is focused on the preparation of 5d transition metal oxide heterostructures by pulsed laser deposition technique and the characterization of the structural properties and the electronic transport. Profound knowledge in solid-state (quantum) physics and material preparation (thin-film technology) is highly desired.

Contact: Dr. Dirk Fuchs

 

PhD Position

"Charge Dynamics of 2D Quantum Materials"

in the Working Group Inelastic Photon Scattering

You develop a sample environment and a method for the investigation of the charge dynamics of 2D quantum materials with exotic electronicproperties by means of inelastic photon scattering.

Contact: Prof. Matthieu Le Tacon.

 

PhD Position

"Josephson Junction Networks"

in the Working Group Kinetic Inductance Quantum Systems

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Thesis project in the context of implementations of quantum information processing with superconducting circuits.

We are looking for a motivated PhD candidate to design, implement, and operate quantum superconducting circuits. This project will focus on the study of networks of Jospehson junctions with custom tailored energy spectra.

During their training, PhD candidates will gain practical experience in microelectronics design, microfabrication, low temperature (mK) measurements, and high-frequency electronics.

Our laboratory benefits from a fully functional nanofabrication facility, including an electron beam pattern generator, optical lithography, metal deposition machines and imaging tools.

Contact: Dr. Ioan Pop

 

PhD Position

"High Kinetic Inductance Media"

in the Working Group Kinetic Inductance Quantum Systems

Thesis project in the context of implementations of quantum information processing with superconducting circuits.

We are looking for a motivated PhD candidate.

During their training, PhD candidates will gain practical experience in microelectronics design, microfabrication, low temperature (mK) measurements, and high-frequency electronics.

Our laboratory benefits from a fully functional nanofabrication facility, including an electron beam pattern generator, optical lithography, metal deposition machines and imaging tools.

Contact: Dr. Ioan Pop

 

Master Thesis

"Induced Superconductivity in Graphene"

in the Working Group Device Physics

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By placing graphene between hexagonal boron nitride, one can produce high quality devices called van der Waals heterostructures [1], in which charge carrier transport is ballistic. When graphene is connected to superconducting leads, a dissipationless current (called supercurrent) can flow through the device [2-4]. In this project, we study the limit of this induced superconductivity in ballistic graphene, that is to say the maximum distance over which the supercurrent can be measured. The effect will be probed by quantum transport and magnetic interferometry experiments .

What you will learn

You will develop new electronic devices using graphene as a base material and investigate their fundamental physical properties. You will learn the use of the equipment and facilities of the Institute for Nanotechnology (electron beam lithography, ultra-high vacuum deposition systems, low-noise electrical measurement at cryogenic temperatures, Raman spectroscopy, etc.) and will benefit from a strong theoretical support. Our work is supported by the DFG.
[1] Geim et al., Nature 499,419 (2013)
[2] Heersche et al, Nature 446, 56 (2007)
[3] Allen et al., Nature Phys. 12, 128 (2016)
[4] Ben Shalom et al., Nature Phys. 12, 318 (2016)
[1] Geim et al., Nature 499,419 (2013)
[2] Heersche et al, Nature 446, 56 (2007)
[3] Allen et al., Nature Phys. 12, 128 (2016)
[4] Ben Shalom et al., Nature Phys. 12, 318 (2016)

Contact: Dr. Romain Danneau

 

Master Thesis

"Precision Spectroscopy of Rare Earth Ions"

in the Working Group Quantum Optics

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We are inviting applications for a PhD position.

The project focuses on realizing an efficient optical interface for individual rare earth ions in solids with open-access optical microcavities. Rare earth ions provide exceptional optical and hyperfine coherence, which makes them promising candidates for quantum optical applications, ranging from quantum memories to quantum-nonlinear optics. We want to gain efficient access to individual ions and small ensembles by coupling them to a high finesse optical microcavity and enhancing their emission.

The goal of the master thesis is to establish a laser system for precision spectroscopy. It involves the setup of an ultra-stable reference cavity and implementation of laser frequency stabilization. The system will then be used for cavity-enhanced spectroscopy of single ions and ion ensembles.

We seek for a creative and motivated individual to advance this research project.

Applications should include

  • a curriculum vitae
  • academic records (Bachelor, Master transcript of records)
For further inquiries and applications please contact Prof. David Hunger.

 

Master Thesis

"Cascaded Enhancement of Light-Matter Interactions with Nanoantennas Coupled to a Tunable Microcavity"

in the Working Group Quantum Optics

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We are offering a position for a Master Thesis.

We are performing experiments on cavity enhancement of the fluorescence of individual solid state emitters and on cavity-enhanced microscopy and spectroscopy. Our vision is to realize efficient quantum interfaces between light and matter. Such interfaces call for ultimative spatio-temporal confinement of light, i.e. the combination of a large quality factor and a microscopic cavity mode volume. Using optical fibers with laser-machined endfacets as mirror substrates, we have realized microscopic cavities with wavelength-scale mode volumes and exceptionally high quality factors.

The combination of such cavities with metallic nano-antennas offers additional enhancement potential. The first goal of this thesis is to investigate the coupling of nanofabricated Bowtie antennas to a tunable microcavity. In a second step, enhanced light matter interactions with ensembles of emitters coupled to the cascaded photonic system will be explored.

We seek for a creative and motivated individual to advance this research project.

Applications should include

  • a curriculum vitae
  • academic records (Bachelor, Master transcript of records)
For further inquiries and applications please contact Prof. David Hunger.

 

Master Thesis

"Design and Fabrication of Superconducting Circuits"

in the Working Group Kinetic Inductance Quantum Systems

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Master thesis project in the context of implementations of quantum information processing with superconducting circuits.

We invite interested students to apply for a Master thesis in our group. During their thesis, they will get an introduction to the field of superconducting electronics and gain practical experience in microelectronics design and micro-fabrication in a cleanroom (e-beam and optical lithography).

Our laboratory benefits from a fully functional nanofabrication facility, including an electron beam pattern generator, optical lithography, metal deposition machines and imaging tools.

Contact: Dr. Ioan Pop

 

Master Thesis

"Electromagnetic Modeling of High Frequency Superconducting Circuits"

in the Working Group Kinetic Inductance Quantum Systems

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Master thesis project in the context of implementations of quantum information processing with superconducting circuits.

We invite students interested in the field of high frequency (GHz) quantum electronics to apply for a Master thesis in our group. During the thesis they will get an introduction to the field of superconducting electronics, and gain practical experience in microelectronics design and high frequency electromagnetic simulations.

Contact: Dr. Ioan Pop