Postdoctoral Researcher

We are seeking a skilled and highly motivated Postdoctoral Researcher for a 2-year position, in the fields of gas-filled hollow-core fiber lasers, ultrafast lasers, and nonlinear optics.

Job description
In this role, you will conduct cutting-edge research in ultrafast nonlinear optics using gas-filled hollow-core fiber platforms. You will develop advanced high-power near-infrared ultrafast laser sources and gas-filled fiber systems for fundamental studies and emerging photonic applications. The research will primarily be carried out in the GasLab at DTU Electro, which provides state-of-the-art infrastructure for exploratory gas-laser experiments and a collaborative environment for training and mentoring project personnel.

Our expectations of you

We expect the successful candidate to have:

• A doctoral degree (PhD) in optics/photonics, molecular physics, optical engineering, or a related field with an equivalent academic level.
• Interest and background with exploring unknown physics in the field of nonlinear photonics and ultrafast lasers. 
• Experimental experience with developing gas-filled hollow-core fiber laser system.
• Experience with hollow-core fiber technologies.
• Experimental experience with developing conventional ultrafast laser sources. 
• Experience with modeling the physics of nonlinear optics, and optical fibers. 
• The ability to work independently, and contribute creatively to research projects, and the ability to maintain an organized and safe work environment.
• The ability and passion to co-supervise PhD students. 
• The candidate should be fluent in English, both written and spoken.

As a formal qualification, you must hold a PhD degree (or equivalent). 

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 terms of employment
The appointment will be based on the collective agreement with the Danish Confederation of Professional Associations. In addition, supplements can be negotiated in accordance with DTU’s salary structure for scientific staff: www.inside.dtu.dk/en/human-resources/during-employment/salary/salary-structures. 

The period of employment is 2 years. The starting date is February 01, 2027 or according to mutual agreement. The position is a full-time position.

You can read more about career paths at DTU here.

Further information
Further information may be obtained from Dr. Yazhou Wang (yazwang@dtu.dk) and Assoc. Prof. Christos Markos (chmar@dtu.dk). 

You can read more about DTU Electro at https://electro.dtu.dk. 

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 21 October 2026 (23:59 Danish time). 

Applications must be submitted as one PDF file containing all materials to be given consideration. To apply, please open the link "Apply now", 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
• Academic Diplomas (MSc/PhD – in English)
• List of publications 

Applications 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. As DTU works with research in critical technology, which is subject to special rules for security and export control, open-source background checks may be conducted on qualified candidates for the position.

DTU Electro 
DTU Electro employs more than 300 skilled researchers with competencies in electrical and photonics engineering. As a department we strive towards creating sustainable energy and a greener internet, as well as strengthening cyber security and health technology. Working with the industry and public organizations is one of our top priorities to find and implement new solutions to our society. We aim to offer education, research, and innovation of the highest standard, and our focus on application-oriented research enables us to work across many engineering disciplines and research areas, such as IT and the medical and health sciences. We have a close collaboration with researchers from all over the world, just as we collaborate with industry and public authorities about the dissemination of solutions based on electrical and photonics engineering as their key enabling technologies.

DTU – For the benefit of society since 1829
DTU is one of Europe's leading elite technical universities. Through research and education at an international top level, we create solutions to the major societal challenges of our time and help secure Europe's global leadership in sustainable technological development. Since Hans Christian Ørsted founded DTU almost 200 years ago, our mission has remained the same: We develop and create value through the natural and technical sciences for the benefit of society. DTU has 13,800 students, 1,600 PhD students, and 6,500 employees. We work in an international environment and have an inclusive, stimulating, and informal work culture. DTU has campuses in all parts of Denmark and in Greenland and collaborates with the best universities around the world.