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11 papers · 2 filters
Coexistence of high-bit-rate quantum key distribution and data on optical fiber
K. A. Patel, J. F. Dynes, I. Choi +5
Quantum key distribution (QKD) uniquely allows distribution of cryptographic keys with security verified by quantum mechanical limits. Both protocol execution and subsequent applic…
Exploiting structured environments for efficient energy transfer: The phonon antenna mechanism
M. del Rey, A. W. Chin, S. F. Huelga +1
A non-trivial interplay between quantum coherence and dissipative environment-driven dynamics is becoming increasingly recognised as key for efficient energy transport in photosynt…
A single ion coupled to an optical fiber cavity
Matthias Steiner, Hendrik M. Meyer, Christian Deutsch +2
We present the realization of a combined trapped-ion and optical cavity system, in which a single Yb^+ ion is confined by a micron-scale ion trap inside a 230 mum-long optical fibe…
Unconditionally secure device-independent quantum key distribution with only two devices
Jonathan Barrett, Roger Colbeck, Adrian Kent
Device-independent quantum key distribution is the task of using uncharacterized quantum devices to establish a shared key between two users. If a protocol is secure regardless of…
Quantum-to-classical rate distortion coding
Nilanjana Datta, Min-Hsiu Hsieh, Mark M. Wilde +1
We establish a theory of quantum-to-classical rate distortion coding. In this setting, a sender Alice has many copies of a quantum information source. Her goal is to transmit class…
Generalized teleportation and entanglement recycling
Sergii Strelchuk, Michał Horodecki, Jonathan Oppenheim
We introduce new teleportation protocols which are generalizations of the original teleportation protocols that use the Pauli group [Bennett, et al. Physical Review Letters, 70(13)…