4 papers
Private Correlations Certify Sensing Capability
Yunkai Wang, Peixue Wu, Graeme Smith +1
We show that private correlations in a bipartite quantum state constitute a metrological resource for distributed sensing assisted by a possibly noisy channel from one party to the…
Quantum capacity amplification via privacy
Peixue Wu, Yunkai Wang
We investigate superadditivity of quantum capacity through private channels whose Choi-Jamiolkowski operators are private states. This perspective links the security structure of p…
Secure quantum ranging
Yunkai Wang, Graeme Smith, Alex May
Determining and verifying an object's position is a fundamental task with broad practical relevance. We propose a secure quantum ranging protocol that combines quantum ranging with…
Gaussian quantum data hiding
Yunkai Wang, Graeme Smith
Quantum data hiding encodes a hidden classical bit to a pair of quantum states that is difficult to distinguish using a particular set of measurement, denoted as . In this work,…