Welcome to the quantum nano photonics group

The Quantum Nano Photonics (QNP) group is part of the Department of Applied Physics  at the School of Engineering Sciences . We are located at the AlbaNova University Center

As a member of the Quantum and Biophotonics (QBP) unit at KTH, QNP focuses on studying nanostructures at the single photon level. Both quantum emitters and quantum detectors are studied with the aim of developing new tools for quantum information processing. QNP's line of research within QBP facilitates the development of new research directions at KTH with emphasis on quantum technology. The rich and diverse scientific community at KTH enables the center to promote excellence by stimulating strong collaboration beween theoretical and experimental studies.

Our work concentrates on novel nanostructures for optics at the single photon and single electron level, we study different systems: semiconducting nanowires, superconducting detectors, atomic-solid state hybrid systems with the aim of combining these systems in quantum information processing experiments.


  • Göran Gustafsson Prize

Congratulations to Dr. Stephan Steinhauer for receiving the Göran Gustafsson prize 2020 for young researchers, supporting his work on Rydberg excitons in cuprous oxide microcrystals.

  • Research highlight

Our new review article on hybrid integration methods in quantum photonics has been published in Nature Photonics ( link ). See the Research section for updates on currently ongoing projects ( link ).

  • Research highlight

 Our new article on Rydberg excitons in cuprous oxide microcrystals has been published in Communications Materials ( Link ). See the Research section for updates on currently ongoing projects ( Link ).

  • PhD thesis defense

Dr. Julien Zichi defended his PhD thesis on NbTiN for improved superconducting detectors on Friday June 14th. His colleagues congratulate him on this outstanding achievement.’

  • Sweden's King pays visit to quantum lab

Sweden’s King, Carl XVI Gustaf, made a visit to the Quantum Nano Photonics Laboratory at KTH last week to meet with students and researchers and to open Sweden’s first quantum communication link. Read more ( )

  • Göran Gustafsson Prize

Congratulations to Dr. Klaus Jöns for receiving the prestigious big Göran Gustafsson prize 2019 for young researcher, granting him 2.75mio SEK for his research on quantum networks.

  • Research Highlight

Our work on teleportation using on-demand photons from quantum dots was highlighted in Phys.org

  • Prof. Val Zwiller, Nature Photonics

Prof. Val Zwiller discusses quantum integrated photonics and its potential for quantum supremacy, highlighting QNP's research on deterministic integration of quantum sources and detectors to enable the generation, manipulation, and detection of quantum light on-chip. Read the full article on Nature Photonics ( here )

  • Research Highlight

Our work on strain tuning of quantum photonic circuits was highlighted in Nature Nanotechnology 14, 4 (2019) " Strain stretches photons " and Nature Photonics 13, 72 (2019) " Strain-tunable dots "

Link to TU Delft