1. Department
of Physics, Stevens Institute of Technology, Hoboken, New Jersey 07030, United States
2. Center
for Quantum Science and Engineering, Stevens Institute of Technology, Hoboken, New Jersey 07030, United States
3. Department
of Mechanical Engineering, Columbia University, New York, New York 10027, United States
4. Department
of Chemistry, Columbia University, New York, New York 10027, United States