Loss-tolerant quantum secure positioning with weak laser sources

Charles Ci Wen Lim, ∗ Feihu Xu, George Siopsis, Eric Chitambar, Philip G. Evans, and Bing Qi 3 Quantum Information Science Group, Computational Sciences and Engineering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6418, USA Research Laboratory of Electronics, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA Department of Physics and Astronomy, The University of Tennessee, Knoxville, Tennessee 37996-1200, USA Department of Physics and Astronomy, Southern Illinois University, Carbondale, Illinois 62901, USA