PhD projects in Quantum Information Science

Tuesday 27 Apr 21

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The Center for Macroscopic Quantum States (bigQ) at DTU Physics offers excellent candidates unique opportunities to pursue a PhD in the field of experimental and theoretical quantum information science.

bigQ is a Danish national Center of Excellence in quantum information science and technology. The purpose of the center is to explore quantum physics in new macroscopic regimes, deepening our understanding of quantum physics, and speeding up the development of emerging quantum technologies. Our main focus is basic research, but we strongly encourage and support innovation and industry partnerships.

The center comprises around 45 people (with 17 nationalities) including Faculty members, PhD students, postdocs, engineers and an administrator.

Short project descriptions

PhD project in quantum non-linearities based on color centers in diamond
Giant non-linear transformations are realizable by interfacing a two-level system with an optical field inside a micro-cavity. In this project, we will use color centers in diamond placed inside a high quality fiber cavity to enable a deterministic non-Gaussian transformation of a propagating light field. 

PhD projects in continuous variable quantum information processing
In these projects, we will generate macroscopic CV quantum states of light (squeezed, entangled and novel non-Gaussian states) and use these states for the realization of CV quantum communication and quantum computation protocols. We will use similar schemes for the realization of extreme quantum sensing and for foundational tests of quantum mechanics.

PhD projects in continuous variable quantum opto-mechanics  
We plan to prepare acoustic modes of pristine crystals in the quantum regime using the unique toolbox of CV quantum information science. Using CV quantum states, low-loss CV detection schemes and CV protocols, we aim at generating and characterizing non-classical states of acoustic modes at low temperatures.

PhD project in CV theoretical quantum information processing
In this project we will develop new quantum error correcting codes (including distillation and purification codes) for CV quantum communication and CV quantum computation. Existing codes are very challenging to implement experimentally, and thus the sole aim is to develop codes that are more practical. We also aim at developing new and practical CV quantum communication protocols and CV computer algorithms. 

Who are we looking for?
We are looking for exceptional physicists and engineers with extraordinary talents and outstanding drives. We are in particular looking for people with academic excellence and/or with demonstrated scientific achievements. We also expect that you have an exceptional ability to conceive new ideas and construct well-working experimental setups. What matters the most is your internal drive to make significant and groundbreaking progress.

We expect the successful candidate to have a solid background in quantum mechanics, some experience with experimental quantum optics if you apply for the experimental project and proficiency in theoretical quantum information if you apply for the theory project.

What do we offer?

  • An opportunity to explore completely new regimes of physics and information, both theoretically and experimentally.
  • An outstanding research group doing research at the absolute forefront of quantum science.
  • A friendly and professional research environment with solid support from supervisors, colleagues, and technical and administrative staff.
  • An opportunity to work in a state-of-the-art laboratory and with smart scientists.  
  • Competitive university salaries and tax deduction benefits (for foreign researchers).
  • Support to travel to workshops, conferences and schools.
  • Strong support in career planning for PhD students.

What do we expect?

  • You are excited about large challenges, and you very much enjoy solving them.
  • You have an extraordinary drive towards achieving groundbreaking results.
  • You enjoy working in a team with an open minded spirit. You are excited to teach and learn from other group members.
  • You love to discuss physics and to participate in thoughtful conversations.
  • You make things work and deliver!

Applicable for all scholarships

Qualifications
You must have a two-year master's degree (120 ECTS points) or a similar degree with an academic level equivalent to a two-year master's degree.

Approval and Enrolment
The scholarship for the PhD degree is subject to academic approval, and the candidate will be enrolled in one of the general degree programmes at DTU. For information about our enrolment requirements and the general planning of the PhD study programme, please see the DTU PhD Guide.

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 job in an international environment. We strive for academic excellence in an environment characterized by collegial respect and academic freedom tempered by responsibility.


Salary and appointment terms
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 period of employment is 3 years.

The work will take place at the DTU campus in Lyngby.

You can read more about career paths at DTU here.

Further information
Further information may be obtained from Professor Ulrik Andersen (Center Leader), ulrik.andersen@fysik.dtu.dk

You can read more about us on BIGQ and Quantum Physics and Information Technology (QPIT) 

If you are applying from abroad, you may find useful information on working in Denmark and at DTU at DTU – Moving to Denmark

Application procedure
Your complete online application must be submitted no later than 11 May 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:

  • 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)

Incomplete applications will not be considered. You may apply prior to ob­tai­ning your 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.

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 12,900 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 and in Sisimiut in Greenland.