PhD scholarship in Quantum-Optical Networks with Solid State Spins and Photons

DTU Fysik
tirsdag 09 maj 17

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Frist 4. juni 2017
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A unique research opportunity is available at the Department of Physics, Technical University of Denmark (DTU). We are offering a PhD position to work on a project on controlling the emission and spins of solid state emitters towards the grand aim of constructing a quantum network.

The project will be hosted in the section for Quantum Physics and Information Technology (QPIT) at DTU Physics and part of a newly funded large-scale research project. We are working closely together with international partners, where external research stays can be arranged. In QPIT we conduct widely recognized research within a range of diverse topics such as continuous-variable quantum information processing, quantum enhanced sensing, and engineering of solid state quantum systems.   

Project description
Isolated spins in solid state systems hold great promise as the fundamental quantum bit in quantum information science. If the spins are effectively coupled to optical photons, distant spins can be entangled which eventually might result in the formation of a quantum network. In the present PhD project, we will exploit micro-cavities coupled to Nitrogen-Vacancy centers in diamond (and other defect centers) to enable an efficient and clean coupling between the associated electron spin and a photon. The interface will be used to enable sharp measurements of the spin, the generation of non-classical photonic and spin states (such as entangled and squeezed states) and full characterization and control via homodyne detection.   

Responsibilities and tasks
The successful candidate will be a part of a team dedicated to the design and development of solid state platforms for quantum information processing and sensing.

Some of the scientific tasks involved are 

  • planning, design, and implementation of a cryogenic experiment hosting an optical micro-cavity for the control of solid emitters,
  • development of control and read-out electronics in close collaboration with our electronic engineers,
  • experimental characterization of solid state emitters, numerical simulation and data analysis, and programming of experimental control software in Python.

A limited amount of supervision of student projects and tutoring will also be expected.

Candidates should have a master's degree within optics/photonics, physics or engineering, or a similar degree with an equivalent academic level. He or she should be highly motivated and dedicated to work on challenging experiments. A background in experimental (quantum) optics and/or solid state physics is an advantage.

We expect the successful candidate to have very good communication skills in English, to be able to work closely with other team members, and we highly value scientific curiosity and creativity.

Approval and Enrolment
The scholarships for the PhD degree are subject to academic approval, and the candidates will be enrolled in one of the general degree programmes of DTU. For information about the general requirements for enrolment and the general planning of the scholarship studies, please see the DTU PhD Guide.   

The assessment of the applicants will be made by Prof. Ulrik Lund Andersen and Assoc. Prof. Alexander Huck.  

We offer
We offer an interesting and challenging job in an international environment focusing on education, research, scientific advice and innovation, which contribute to enhancing the economy and improving social welfare. We strive for academic excellence, collegial respect and freedom tempered by responsibility. The Technical University of Denmark (DTU) is a leading technical university in northern Europe and benchmarks with the best universities in the world.   

Salary and appointment terms
The salary and appointment terms are consistent with the current rules for PhD degree students. The period of employment is 3 years. 

QPIT's vision is to understand, engineer and control complex quantum systems of light and matter, and to exploit these systems for quantum information processing and quantum metrology.

We are a highly international research group of students and staff with diverse backgrounds. We have a friendly and dynamic research environment with close, daily interaction among all group members and strong collaborations with many academic and industrial partners. Technical support is excellent with electronics and process engineers embedded in the section and a large capacity, skilled mechanical machine shop at the Department.

We are situated just north of Copenhagen at the Lyngby campus of DTU, where we enjoy newly renovated office and lab space.

Further information
For further information, please contact the project and section leader Prof. Ulrik Lund Andersen at and/or Assoc. Prof. Alexander Huck at

Press the links to learn more about QPIT at the Department of Physics.  

The project is funded by the Danish council for independent research under the Separé Aude top-researcher program.

Please submit your online application no later than 4 June 2017. Applications must be submitted as one pdf file containing all materials to be given consideration. To apply, please open the link "Apply online," fill in the online application form, and attach all your materials in English in one pdf file. The file must include: 

  • A letter motivating the application (cover letter)
  • Curriculum vitae
  • Grade transcripts and BSc/MSc diploma
  • Excel sheet with translation of grades to the Danish grading system (see guidelines and excel spreadsheet here)

Candidates may apply prior to obtaining their master's degree, but cannot begin before having received it.

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

DTU is a technical university providing internationally leading research, education, innovation and public service. Our staff of 5,800 advance science and technology to create innovative solutions that meet the demands of society; and our 10,600 students are being educated to address the technological challenges of the future. DTU is an independent academic university collaborating globally with business, industry, government, and public agencies.