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Narrow-band SHG for pumping SPDC

We just succeeded in locking a cavity to enhance the nonlinear second-harmonic generation (SHG) process in a periodically poled lithium niobate crystal. In this process, narrow-band 1310nm light is frequency…

February 9, 2022

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Operating the cavity prototype in vacuum

Top view on the Silicon Carbide optical bench. To protect the mirrors from the dust and humidity, the cavity is enclosed by an aluminum tube. Four clamps press a viton…

February 9, 2022

Narrowband source of entanglement paper on arXiv

We just uploaded our paper on designing a narrowband source of entanglement on arXiv. It is available here. In it, we describe considerations we went through when designing one of…

August 30, 2024

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Nobel Prize 2022

The Nobel prize 2022 was awarded to some of the giants on whose shoulders our work rests. They dared focusing on experiments to test the foundations of quantum physics when…

October 4, 2022

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Towards a Slovenian Quantum Network

The European Union is currently preparing to implement the infrastructure for a Europe-wide network for quantum communication. To this purpose, research groups, industrial partners and government representatives from all European…

May 12, 2022

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Our laboratory at the Faculty of Mathematics and Physics of the University of Ljubljana focuses on quantum optics using single photons and entanglement, on interfacing photonic entanglement with atoms and quantum memories, on quantum optomechanics with optically trapped dielectric particles, and on testing the foundation of quantum physics in the laboratory, in microgravity, and in space.