Joseph C Chapman Research Scientist in Quantum Communications Contact chapmanjc@ornl.gov | 865.341.0971 All Publications Entanglement-based quantum digital signatures over a deployed campus network... Two-mode squeezing over deployed fiber coexisting with conventional communications Two-mode squeezing over deployed fiber coexisting with conventional communications Throughput Measurements and Capacity Estimates for Quantum Connections Coexistent Quantum Channel Characterization Using Spectrally Resolved Bayesian Quantum Process Tomography Coexistent quantum channel characterization using quantum process tomography with spectrally resolved detection Characterizing non-polarization-maintaining highly nonlinear fiber toward squeezed-light generation Entanglement Verification of Hyperentangled Photon Pairs... Paving the Way for Satellite Quantum Communications Hyperentangled Time-Bin and Polarization Quantum Key Distribution... Sensitivity Limitation of an Optical Heterodyne Spectrometer... Heterodyne spectrometer sensitivity limit for quantum networking... Bayesian Optical Heterodyne Tomography... Quantum Networking and Communications at Oak Ridge National Laboratory... Bayesian homodyne and heterodyne tomography... Lessons Learned on the Interface Between Quantum and Conventional Networking... Key Links Google Scholar Profile Organizations Computing and Computational Sciences Directorate Computational Sciences and Engineering Division Quantum Information Science Section Quantum Communications and Networking Group