[1] Univ Texas Austin, Dept Phys, CCQS, Austin, TX 78712 USA
[2] IBM Res, BR-22290240 Rio De Janeiro, RJ, Brazil
[3] Adnan Menderes Univ, Dept Phys, TR-09100 Aydin, Turkey
[4] Grinnell Coll, Dept Phys, Grinnell, IA 50112 USA
[5] Univ Ulm, Inst Quantenphys, Albert Einstein Allee 11, D-89081 Ulm, Germany
[6] Univ Ulm, Ctr Integrated Quantum Sci & Technol IQST, Albert Einstein Allee 11, D-89081 Ulm, Germany
[7] Texas A&M Univ, Hagler Inst Adv Study, Texas A&M AgriLife, IQSE, College Stn, TX 77843 USA
[8] Texas A&M Univ, Dept Phys & Astron, College Stn, TX 77843 USA