Development of microfabricated plaforms for atomic quantum systems with applications in quantum computing and sensing.
Contributions to QuantumFrontiers
- Established a regional TrapFab Facility which advances scalability, compactness and stability of atom and ion trap technology
- Advancement of engineering fabrication processes and research on integrating control techniques (optical, electronic) for scalable chip structures
- Improvements to coating technology, fine placement, chip integrated detectors and light-sources
- Development of UHV, hand-held portable devices
- Basic research for the stimulation of future spin-offs e.g. in the technology sectors atom/ion traps and quantum computing
- Support for EU projects
Collaborative Innovation
- Waveguide-traps (Kroker TUBS / Mehlstäubler, C. Ospelkaus PTB, LUH)
- Hybrid assembly and socket technology: (Wurz LUH / C. Ospelkaus LUH, PTB / Waag TUBS)
- Atom-Chips: (Wurz, Rasel LUH)
- Cryogenic integrated microwave circuits (Issakov TUBS / Bieler PTB / C. Ospelkaus LUH, PTB)
- fs-laser manufacturing of 3D ion traps (Chichkov LUH / Mehlstäubler PTB, LUH)
- Ion-trap control electronics: (Schilling TUBS / Schöbel PTB / C. Ospelkaus LUH, PTB)
Scientific Output
-
Publications
Heine H, Arnold AS, Le Gonidec M, Griffin PF, Riis E, Herr W et al. A compact high-flux grating chip cold atom source. New Journal of Physics. 2025 Mar 14;27(3):033019. doi: 10.1088/1367-2630/adbc14Dubielzig T, Halama S, Hahn H, Zarantonello G, Niemann M, Bautista-Salvador A et al. Ultra-low-vibration closed-cycle cryogenic surface-electrode ion trap apparatus. Review of scientific instruments. 2021 Apr 13;92(4):043201. doi: 10.1063/5.0024423Strempel K, Römer F, Yu F, Meneghini M, Bakin A, Wehmann HH et al. Vertical 3D gallium nitride field-effect transistors based on fin structures with inverted p-doped channel. Semiconductor Science and Technology. 2021 Jan;36(1):014002. Epub 2020 Oct 29. doi: 10.1088/1361-6641/abc5ffTanaka U, Nakamura M, Hayasaka K, Bautista-Salvador A, Ospelkaus C, Mehlstäubler TE. Creation of double-well potentials in a surface-electrode trap towards a nanofriction model emulator. Quantum Science and Technology. 2021 Mar 5;6(2):024010. doi: 10.1088/2058-9565/abe51aNordmann T, Didier A, Doležal M, Balling P, Burgermeister T, Mehlstäubler TE. Sub-kelvin temperature management in ion traps for optical clocks. Review of scientific instruments. 2020 Nov 24;91(11):111301. doi: 10.48550/arXiv.2008.04231, 10.1063/5.0024693, 10.1063/5.0160415Bautista-Salvador A, Zarantonello G, Hahn H, Preciado-Grijalva A, Morgner J, Wahnschaffe M et al. Multilayer ion trap technology for scalable quantum computing and quantum simulation. New journal of physics. 2019 Apr;21(4):043011. Epub 2019 Apr 8. doi: 10.1088/1367-2630/ab0e46, 10.15488/10409Christ M, Kassner A, Smol R, Bawamia A, Heine H, Herr W et al. Integrated atomic quantum technologies in demanding environments: development and qualification of miniaturized optical setups and integration technologies for UHV and space operation. CEAS Space Journal. 2019 Dec 1;11(4):561-566. Epub 2019 May 25. doi: 10.1007/s12567-019-00252-0Hahn H, Zarantonello G, Schulte M, Bautista-Salvador A, Hammerer K, Ospelkaus C. Integrated 9Be+ multi-qubit gate device for the ion-trap quantum computer. npj Quantum information. 2019 Aug 16;5(1):70. doi: 10.1038/s41534-019-0184-5, 10.15488/9283Hahn H, Zarantonello G, Bautista-Salvador A, Wahnschaffe M, Kohnen M, Schoebel J et al. Multilayer ion trap with three-dimensional microwave circuitry for scalable quantum logic applications. Applied Physics B: Lasers and Optics. 2019 Jul 31;125(8):154. doi: 10.1007/s00340-019-7265-1Kassner A, Rechel M, Heine H, Herr W, Christ M, Krutzik M et al. Atom chip technology for use under UHV conditions. In Otto T, editor, Smart Systems Integration 2019: International Conference and Exhibition on Integration Issues of Miniaturized Systems, SSI 2019. VDE Verlag GmbH. 2019. p. 69-75Zarantonello G, Hahn H, Schulte M, Bautista-Salvador A, Werner RF, Hammerer K et al. Robust and Resource-Efficient Microwave Near-Field Entangling ^{9}Be^{+} Gate. Physical review letters. 2019 Dec 31;123(26):260503. Epub 2019 Dec 26. doi: 10.48550/arXiv.1911.03954, 10.1103/PhysRevLett.123.260503
TG Members
-
Involved Members and their Relevant Expertise
Members Institution Relevant Expertise Friederike Giebel, Leader LUH Fabrication of Surface-Electrode Ion Traps for Scaling and Integration, MEMS- and CMOS-technology Christian Ospelkaus LUH / PTB Scalable Surface-Electrode Ion Traps; Integrated Microwave and RF Control Elements Amado Bautista-Salvador LUH / PTB Scalable Surface-Electrode Ion Traps Andreas Waag TUBS Coherent Light Field Control; Nanophotonics for Atom and Ion Manipulation; Hybrid integration of GaN LEDs with conductive substrates Mayra Garcés-Schröder TUBS Nanophotonics for Atom and Ion Manipulation Stefanie Kroker PTB / TUBS Complex Coupled High Index Waveguide Arrays ; Photonic Nanomaterials in the Strong Optomechanical Coupling Regime Liam Shelling-Neto PTB / TUBS Complex Coupled High Index Waveguide Arrays Tanja Mehlstäubler PTB / LUH Dynamics of ion Coulomb Crystals; Integrated Chip Traps and Optical Components Daniel Bennett PTB Integrated Chip Traps and Optical Components Dietmar Kracht LZH Advanced Light Sources; Precision Additive Manufacturing of Quantum Sensors; High power solid-state single frequency amplifiers Christian Zander / Christian Hoff LZH Precision Additive Manufacturing of Quantum Sensors Boris Chichkov LUH Nanoscale Materials Processing Ulf Hinze LUH Nanoscale Materials Processing Marc Christopher Wurz LUH Development of compact vacuum pumps, pressure measruement devices and miniaturized Rb sources; Atom-Chip Based Gravimeters and Inertial Sensors Alexander Kassner LUH Atom-Chip Based Gravimeters and Inertial Sensors Ernst M. Rasel LUH Quantum Gravimeters; Atom-Chip Based Gravimeters and Inertial Sensors Milutin Kovacev LUH Enhanced Optical Nonlinearities and High-Harmonic Generation Philip Mosel LUH Enhanced Optical Nonlinearities and High-Harmonic Generation Markus Kromrey PTB Integrated Chip Traps and Optical Components Waldemar Herr LUH Quantum Gravimeters; Atom-Chip Based Gravimeters and Inertial Sensors Hendrik Heine LUH Quantum Gravimeters; Atom-Chip Based Gravimeters and Inertial Sensors Sven Abend LUH Quantum Gravimeters; Atom-Chip Based Gravimeters and Inertial Sensors Jacob Stupp LUH Fabrication of Surface-Electrode Ion Traps, Micro-structuring of Substrates & Assembly Eike Iseke LUH Fabrication of Surface-Electrode Ion Traps, Micro-structuring of Substrates & Assembly Julia-Aileen Coenders LUH Fabrication of 3D Ion Traps, Micro-structuring of Substrates & Assembly Nila Krishnakumar PTB Fabrication of Surface-Electrode Ion Traps, Micro-structuring of Substrates & Assembly Konstantin Thronberens PTB Fabrication of Surface-Electrode Ion Traps, Micro-structuring of Substrates & Assembly
