Applications are invited for a postdoc position to work on an experimental project investigating the properties of novel quantum emitters in single layer and van der Waals bonded 2D materials. The project is funded through an ERC consolidator project and will be carried out at the Department of Physics at the Technical University of Denmark in close collaboration with both material scientists and theoretical physicists.

Solid state defect centres with allowed optical transitions and spin-properties are highly relevant as quantum light sources and quantum sensors with unprecedented spatial resolution and sensitivity. This project aims to investigate defect centres mainly in 2-dimensional materials, but also other material systems with a wide bandgap and stability. How do phonons impact the level dynamics, the coherence, and the efficiency of emitting a photon? Can the emission wavelength be tuned over a broad range and is emission in the telecom band possible?  In this project, we will apply single photon resolved optical spectroscopy and try to obtain a quantitative understanding of emitters in novel solid-state materials. The project will be closely linked to our efforts on quantum sensing and quantum optics based on reading out the spin state of single defects in diamond.

The successful postdoc candidate will be part of the Quantum Physics and Information Technology group (QPIT) at the Department of Physics at DTU and the centre for macroscopic quantum states (bigQ). The project involves tight collaboration with the computational atomic scale design group (CAMD).  The QPIT group is at the very forefront of international research in quantum optics, quantum opto-mechanics, and diamond-based quantum sensing. In this group, you will work in an international team of researchers in an informal working environment. Furthermore, you will become part of a collaborative network of experts including material science and theoretical physics, in particular the section for computational atomic scale design group (CAMD) at DTU Physics. This project will have access to on-site and state-of-the-art experimental facilities.

Responsibilities and tasks
This postdoc position will target optical investigations of quantum emitters and the successful candidate is expected to perform in: 

  • Design, construction and maintenance of a state-of-the-art confocal microscope nano-meter spatial and single photon resolution.
  • Simulation of the experimental observations with for instance energy level schemes and corresponding rate equation models.
  • Operation of cryogenic setups for sample and detector temperature control.

The exact research activities will be continuously adapted to ensure high relevance and impact.

Candidates should have a PhD degree in physics, photonics, material sciences or equivalent and must have experience working with optical setups. The successful candidate is expected to have experience and expertise in one or more of the following subjects: 

  • Expertise in optical spectroscopy.
  • Background in quantum optics or physics.
  • Experience in constructing and operating optical setups.

Furthermore, the successful candidate is expected to be

  • self-motivated in scientific research,
  • has Independent problem-solving skills,
  • has good communication skills in English, both written and spoken, and
  • has experience with international collaborations.

We offer
DTU is a leading technical university globally recognized for the excellence of its research, education, innovation and scientific advice. We offer a rewarding and challenging postdoc position in an international environment. We strive for academic excellence in an environment characterized by collegial respect and academic freedom tempered by responsibility.

Salary and terms of employment
The appointment will be based on the collective agreement with the Danish Confederation of Professional Associations. The allowance will be agreed upon with the relevant union.

The workplace is the Department of Physics at DTU’s Lyngby campus and the position is for 18 months. Employment should preferably start in March 2021, but a later start might be possible.

Further information
Further information may be obtained from Assoc. Prof. Alexander Huck,, Prof. Ulrik Lund Andersen,, or Prof. Kristian Sommer Thygesen,

You can read more about the QPIT section on and the Department of Physics on

Application procedure
Please submit your online application no later than 31 January 2021 (Danish time). Applications must be submitted as one PDF file containing all materials to be given consideration. To apply, please open the link “Apply online”, fill out the online application form, and attach all your materials in English in one PDF file. The file must include:

  • Application (cover letter)
  • CV
  • Diploma (MSc/PhD)
  • List of publications
  • At least 2 recommendation letters

Applications and enclosures received after the deadline will not be considered.

All interested candidates irrespective of age, gender, disability, race, religion or ethnic background are encouraged to apply.

Technology for people
DTU develops technology for people. With our international elite research and study programmes, we are helping to create a better world and to solve the global challenges formulated in the UN’s 17 Sustainable Development Goals. Hans Christian Ørsted founded DTU in 1829 with a clear vision to develop and create value using science and engineering to benefit society. That vision lives on today. DTU has 12,000 students and 6,000 employees. We work in an international atmosphere and have an inclusive, evolving, and informal working environment. Our main campus is in Kgs. Lyngby north of Copenhagen and we have campuses in Roskilde and Ballerup.


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