1. Institute for Quantum Optics, Ulm University, Ulm 89081, Germany
2. L.F. Vereshchagin Institute for High Pressure Physics, RAS, Troitsk, Moscow 108840, Russia
3. GREMAN, UMR 7347 CNRS, INSA-CVL, Tours University, Tours 37200, France
4. Centre for Integrated Quantum Science and Technology (IQST), Ulm 89081, Germany