Large Pockels effect in micro-and nanostructured barium titanate integrated on silicon S Abel, F Eltes, JE Ortmann, A Messner, P Castera, T Wagner, D Urbonas, ...
Nature materials 18 (1), 42-47, 2019
462 2019 A BaTiO3 -Based Electro-Optic Pockels Modulator Monolithically Integrated on an Advanced Silicon Photonics Platform F Eltes, C Mai, D Caimi, M Kroh, Y Popoff, G Winzer, D Petousi, S Lischke, ...
Journal of Lightwave Technology 37 (5), 1456-1462, 2019
177 2019 Ultra-low-power tuning in hybrid barium titanate–silicon nitride electro-optic devices on silicon JE Ortmann, F Eltes, D Caimi, N Meier, AA Demkov, L Czornomaz, ...
ACS Photonics 6 (11), 2677-2684, 2019
65 2019 Competition Between Antiferromagnetism and Ferromagnetism in Sr2 RuO4 Probed by Mn and Co Doping JE Ortmann, JY Liu, J Hu, M Zhu, J Peng, M Matsuda, X Ke, ZQ Mao
Scientific reports 3 (1), 2950, 2013
49 2013 A novel 25 Gbps electro-optic Pockels modulator integrated on an advanced Si photonic platform F Eltes, M Kroh, D Caimi, C Mai, Y Popoff, G Winzer, D Petousi, S Lischke, ...
2017 IEEE International Electron Devices Meeting (IEDM), 24.5. 1-24.5. 4, 2017
37 2017 Epitaxial, electro‐optically active barium titanate thin films on silicon by chemical solution deposition BI Edmondson, S Kwon, CH Lam, JE Ortmann, AA Demkov, MJ Kim, ...
Journal of the American Ceramic Society 103 (2), 1209-1218, 2020
33 2020 From quasi-two-dimensional metal with ferromagnetic bilayers to Mott insulator with G-type antiferromagnetic order in Ca J Peng, X Ke, G Wang, JE Ortmann, D Fobes, T Hong, W Tian, X Wu, ...
Physical Review B—Condensed Matter and Materials Physics 87 (8), 085125, 2013
32 2013 Quantum Confinement in Oxide Heterostructures: Room-Temperature Intersubband Absorption in SrTiO3 /LaAlO3 Multiple Quantum Wells JE Ortmann, N Nookala, Q He, L Gao, C Lin, AB Posadas, AY Borisevich, ...
ACS nano 12 (8), 7682-7689, 2018
23 2018 Enhanced superconductivity at the interface of H Wang, W Lou, J Luo, J Wei, Y Liu, JE Ortmann, ZQ Mao
Physical Review B 91 (18), 184514, 2015
20 2015 A manufacturable platform for photonic quantum computing K Alexander, A Bahgat, A Benyamini, D Black, D Bonneau, S Burgos, ...
arXiv preprint arXiv:2404.17570, 2024
19 2024 Multi-level optical weights in integrated circuits S Abel, DJ Stark, F Eltes, JE Ortmann, D Caimi, J Fompeyrine
2017 IEEE International Conference on Rebooting Computing (ICRC), 1-3, 2017
18 2017 Point defects at cleaved B Stöger, M Hieckel, F Mittendorfer, Z Wang, M Schmid, GS Parkinson, ...
Physical Review B 90 (16), 165438, 2014
18 2014 Composition and annealing effects on the linear electro‐optic response of solution‐deposited barium strontium titanate BI Edmondson, S Kwon, JE Ortmann, AA Demkov, MJ Kim, JG Ekerdt
Journal of the American Ceramic Society 103 (10), 5700-5705, 2020
17 2020 Designing near-infrared electro-optical devices from the SrTiO3 /LaAlO3 materials system JE Ortmann, MA Duncan, AA Demkov
Optical Materials Express 9 (7), 2982-2993, 2019
17 2019 Probing chiral superconductivity in Sr2RuO4 underneath the surface by point contact measurements H Wang, J Luo, W Lou, JE Ortmann, ZQ Mao, Y Liu, J Wei
New Journal of Physics 19 (5), 053001, 2017
14 2017 Magnetoresistance oscillation study of the spin counterflow half-quantum vortex in doubly connected mesoscopic superconducting cylinders of X Cai, BM Zakrzewski, YA Ying, HY Kee, M Sigrist, JE Ortmann, W Sun, ...
Physical Review B 105 (22), 224510, 2022
13 2022 Monolithic integration of transition metal oxide multiple quantum wells on silicon (001) JE Ortmann, S Kwon, AB Posadas, MJ Kim, AA Demkov
Journal of Applied Physics 125 (15), 2019
13 2019 The MBE growth of arbitrarily thick SrTiO3/LaAlO3 quantum well heterostructures for use in next-generation optoelectronic devices JE Ortmann, AB Posadas, AA Demkov
Journal of Applied Physics 124 (1), 2018
13 2018 Oxide‐based optoelectronics AA Demkov, JE Ortmann, M Reynaud, AK Hamze, P Ponath, W Li
physica status solidi (b) 258 (9), 2000497, 2021
11 2021 Epitaxial oxides on glass: a platform for integrated oxide devices JE Ortmann, MR McCartney, A Posadas, DJ Smith, AA Demkov
ACS Applied Nano Materials 2 (12), 7713-7718, 2019
11 2019 