1 Joint Quantum Institute and Joint Center for Quantum Information and Computer Science, University of Maryland and NIST, College Park, MD, USA. wmorong@umd.edu.
2 Joint Quantum Institute and Joint Center for Quantum Information and Computer Science, University of Maryland and NIST, College Park, MD, USA. fliu1235@umd.edu.
3 Joint Quantum Institute and Joint Center for Quantum Information and Computer Science, University of Maryland and NIST, College Park, MD, USA.
4 Department of Physics and Astronomy, Rice University, Houston, TX, USA.