Humboldt-Universität zu Berlin - Faculty of Mathematics and Natural Sciences - Integrated Quantum Photonics

Integrated Quantum Photonics Group




Welcome to our group website!


We are currently looking for motivated Bachelor, Master and PhD students as well as Post-Docs. For details and information on how to apply, take a look at Open Positions.


News & Highlights

  • February 1, 2023: Welcome back Helen! We are extremely glad to have Helen Jurscha back as our administrative assistant. Welcome Fenglei! We are excited to have Fenglei Gu from TU Delft join our group for the next six months to work on quantum repeater modelling.
  • January 16, 2023: Welcome Yannick and congratulations Jonas! Today Yannick Strocka and Jonas Wollenberg start their PhD theses in our group. Jonas recently completed his master thesis with us, and we are excited to have Yannick join us as a new group member!
  • December 15, 2022: Congratulations Tim! Tim Turan successfully defended his masters thesis on "Adiabatic Fiber Tips for Efficient Coupling to Diamond Vacancy Centers" today.
  • November 24, 2022: Congratulations Jonas! Jonas Wollenberg successfully defended his masters thesis today.
  • November 14, 2022: Congratulations Tim! Our group leader Tim Schröder is now a professor at Humboldt-Universität.
  • November 1, 2022: Welcome Sarah, welcome Doguscan! We have two new members joining our group today: Sarah Benbouabdellah is starting her PhD and Dr. Doguscan Ahiboz is starting a Post-Doc.
  • October 17, 2022: Welcome Lea! Today Lea Marlen Rektorschek starts her master's thesis in our group.
  • October 12, 2022: Congratulations Mariano! We are happy to announce that Mariano Isaza Monsalve successfully defended his master's thesis today. Since this also marks the end of your time with us, we say thank you for your contributions and wish you all the best for your future!
  • October 10, 2022: Welcome Anil! Today Anil Palaci starts his master's thesis in our group.
  • September 30, 2022: Congratulations Cem! Cem Güney Torun is now a finalist at 'Emil Wolf Student Paper Competition' that will be ongoing at the Frontiers in Optics + Laser Science Conference. He will have an oral presentation titled Orbital Coherent Population Trapping with a Tin-Vacancy Color Center.
  • September 23, 2022: Members of IQP participated in the Climate Strike in Berlin to demand actions against a climate catastrophe!



  • September 20, 2022: Welcome Mustafa! We are happy to have Mustafa Gökçe join our group as a research intern.
  • August 15, 2022: Welcome Grigory! We are happy to have Grigory Kornilov joining us as a student assistant!
  • August 1, 2022: Welcome Enrico and Congratulations Kilian! Today Enrico Michael starts his Master thesis in our group and Kilian Unterguggenberger his PhD!
  • July 14, 2022: Goodbye Steven! Our student assistant Steven Jeremies leaves our group. We wish you all the best for your future!
  • July 6, 2022: Congratulations! Our group member Dr. Sinan Gündogdu and Dr. Sofia Pazzagli from the GOP lab have won the first prize in the Research to Market Challenge 2022 within the Digital Technologies category for their Photonic 3D Printer pitch.


  • July 2, 2022: Can you guide light with jet of water? How do you build your own spectrometer out of a CD and a piece of cardboard? We really enjoyed answering these and more of your questions during the Long Night of Sciences. Thank you for coming and see you next year!


  • July 1, 2022: Welcome Mohamed! Today, Mohamed Belhassen is starting as a PhD student at IQP.
  • June 27, 2022: Welcome Ozan! Ozan Nacitarhan is joining us for an internship.
  • June 20, 2022: We kicked off the QPIS project together with our collaborators from TU Munich today! Our goal is to build an integrated quantum-photonic scalable memory.


  • June 15, 2022: Congratulations Laura! Laura Orphal-Kobin was elected as IRIS young scientist representative together with our friend Pablo Hernández López! Read more here.
  • June 15, 2022: Our group leader Tim Schröder was invited to Radio Eins to talk about the 'Book a Scientist' program of the Leibniz Association. Listen to the interview here.
  • May 16, 2022: Congratulations Maarten! Maarten van der Hoeven started his PhD thesis in our group.
  • May 16, 2022: Welcome Drishti! Drishti Baruah is doing a summer internship from May to the end of August.
  • May 11, 2022: Congratulations Kilian! Kilian Unterguggenberger has successfully defended his master thesis.
  • April 9, 2022: Goodbye Joe and Mo! Dr. Joseph Munns and Dr. Mohanad Al Mamoori have left the group. We wish you all the best in your future careers and we know you will keep on accomplishing great things.
  • April 1, 2022: Welcome Kabo! Kabonire Ruhinda is doing a 3-months internship on generation of coherent optical pulses from April to the end of June.
  • March 1, 2022: Welcome Marco! Marco Stucki has joined our joint group in FBH as a PhD student.
  • February 28, 2022: Congratulations Maarten! Maarten van der Hoeven has successfully defended his master thesis.
  • November 8, 2021: We are part of the joint research project Quantenrepeater.Link (QR.X) to develop the quantum communications network of the future! Funded by the federal ministry of research, it connects 43 partners across universities, research institutes, and companies. Read more about its launch in the press release.

  • October 4, 2021: Welcome Max! Maximilian Kähler joined our group as a master student.
  • September 30, 2021: Goodbye Helen! Our administrative assistant Helen Jurscha left our group. We enjoyed having you on board and wish you all the best for your future!


  • September 15, 2021: Welcome Alok! Alok Gokhale joined our group as a PhD student.
  • August 26, 2021: Congratulations again, Cem! Group member Cem Güney Torun wins the first Quantum Future Audience Award for Best Pitch. Watch the recording of the finale on YouTube.
  • August 18, 2021: IQP is going on retreat! We come together in Spreewald for three days of paddling excursions, team challenges and science slams.
  • July 23, 2021: Congratulations Cem! Our PhD student Cem Güney Torun is one of five candidates to win the Quantum Future Award 2021 for his master thesis on Numerical Optimisation and Experimental Characterisation of Fibre Coupling Properties of Tin-Vacancy Colour Centres in Diamond Nanostructures.