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Emulation of Entanglement Distribution Networks on a Quantum Computer
Ashley N. Tittelbaugh, Jerry Horgan, Rohan Bali +4
We investigate how quantum computers can be used to emulate quantum networks and study their performance under practical impairments. In particular, we evaluate how degraded entang…
Square-Root Law for Covert Communication with Warden-Favorable Side Information
Hossein Ahmadi, Christian Deppe, Boulat A. Bash +1
Covert communication enables Alice to transmit to Bob while making the transmission difficult for Willie to detect. We study a scalar Gaussian covert-overlay model in which Alice's…
Covert Signaling for Communication and Sensing over the Bosonic Channels
Tianrui Tan, Evan J. D. Anderson, Michael S. Bullock +1
Preventing signal detection in communication and active sensing requires careful control of transmission power. In fact, the square-root laws (SRL) for covert classical and quantum…
Toward Practical Two-Way Covert Communication
Paul N. Fessatidis, Wyatt Wallis, Tae E. Cooper +6
We study two-way covert communication schemes, where information is transmitted by passively modulating a reflected signal back to the source. We consider optical systems, describe…
Toward Covert Quantum Computing
Evan J. D. Anderson, Kaushik Datta, Boulat A. Bash
As quantum computers become available through multi-tenant cloud platforms, ensuring privacy against adversaries sharing the same quantum processing unit becomes critical. We intro…
Edge-Based Anisotropic Decoding for Generalized Bicycle Codes
Dimitris Chytas, Paul N. Fessatidis, Boulat A. Bash +1
Quantum low-density parity-check (QLDPC) codes provide non vanishing rates, distance scaling with the blocklength of the code, and facilitate fast iterative decoding because of the…