Three Postdocs in Experimental Quantum Optics (CV Quantum Computing, Communication and Opto-Acoustics), DTU Physics

Job Description

These postdoc positions in experimental quantum optics are in the Quantum Physics and Information Technology (QPIT) section at DTU Physics, near Copenhagen. DTU is hiring three postdocs. Each will lead one experiment with squeezed light, entangled light or quantum states of mechanical objects.

At a glance

• Positions: 3 postdocs, 2 years, full time (requisition 8374)
• Where: QPIT section, DTU Physics, Kongens Lyngby, Denmark
• Contact: Professor Ulrik Lund Andersen
• Pay: Danish collective agreement; no figure in the ad
• Start: As soon as possible
• Apply: 30 October 2026, 23:59 Danish time

About the three quantum optics tracks

• Quantum opto-acoustics: build cavity optomechanics and opto-acoustics experiments that prepare, control and detect non-classical states of large, high-Q mechanical systems
• Continuous-variable (CV) quantum communication: show entanglement-enhanced communication with squeezed and entangled light, beating the matching classical methods
• CV quantum computing: make optical resource states for scalable CV quantum computing: strong squeezing, multimode and cluster states, non-Gaussian states, measurement-based operations and real-time feedforward
• In every track: take the experiment from design to measurement, analysis and publication
• Build low-noise optical and electronic systems, and write control and analysis software
• Work with students and outside partners, and present your results

Say in your cover letter which track or tracks you want, and how your lab work fits. A strong match to one track is enough. The section also hosts the Center for Macroscopic Quantum States (bigQ).

Why this role matters

Light-based quantum computers and networks run at room temperature and use standard telecom parts. DTU’s group is one of the main labs pushing squeezed-light cluster states forward. As a postdoc here, you lead your own experiment.

What DTU is looking for

• A PhD (or equivalent)
• A strong experimental background in quantum optics, atomic, molecular and optical physics, optomechanics, photonics or a related field
• Proven skill in building and fixing complex experiments

Nice to have

• Squeezed or entangled light, and homodyne detection
• Phase locking and real-time control
• Cavity optomechanics or cryogenic measurements
• Fibre or integrated optics, and low-noise electronics

Pay and location

The ad gives no salary figure. Pay follows the collective agreement with the Danish Confederation of Professional Associations. Extra pay can be negotiated under DTU’s salary structure for scientific staff. Each post is full time for two years. DTU works on critical technology under security and export-control rules, so it may run open-source background checks on qualified candidates.

How to apply

Apply through the official DTU page. The closing date is 30 October 2026, 23:59 Danish time. Use the “Apply now” link and attach one PDF in English: cover letter, CV, MSc and PhD diplomas, and a publication list. Late applications are not considered.

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