News

Mohammad and Moritz join the group

Welcome to our new Master students.

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2026-05-19

Lab move to Heidelberg

Quantum Optics Experiments moved to new Labs at Heidelberg

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2026-03-11

Congrats to Tim for finishing Bachelor project

OptiQS' first Bachelor student: Tim has successfully completed his Bachelor’s thesis on exceptional points in coupled photon Bose–Einstein condensates.

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2026-02-19

Welcome Andris to OptiQS

Andris Erglis joins OptiQS Team to study open quantum systems in photon BECs

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2026-02-17

Welcome Kiran to the OptiQS Group

Welcome Kiran! New Postdoc Joins the OptiQs Group in Heidelberg.

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2026-02-17

Kevin wins Dissertation Prize

Congrats to Kevin who has been awarded the 2025 Ehrenfest–Afanassjewa thesis prize!

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2025-12-16

Welcome Peter to the OptiQs Group

Peter Schnorrenberg starts PhD on photon Bose–Einstein condensates

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2026-02-18

Statistics at the Limit: Thermodynamics of Light in Two-State Systems

Thermodynamics is usually associated with large systems and many particles. In our new paper, we show that even few-particle systems obey the laws of thermodynamics.

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2025-10-31

New Paper on Temporally-driven Photon BECs out in PRL

Temporally-driven Bose-Einstein condensates of photons provide insight into the excitation spectrum of open, thermalized quantum gases, revealing the collective dynamics of photons and molecules through driving and dissipation.

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2025-07-18

New Light on Quantum Physics

Julian Schmitt recently joined the Kirchhoff Institute for Physics – bringing fresh momentum to the field of quantum optics. With his new research group Optical Quantum Systems, he aims to explore how light and matter behave in the quantum world. Johanna Schwarz, administrative director of the faculty, spoke with him about his research and plans in Heidelberg.

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2025-07-11

Hello World!

Hello Heidelberg! Our Optical Quantum Systems group (OptiQS) is now at KIP!

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2025-02-25