Teleportation as a Depolarizing Quantum Channel, Relative Entropy, and Classical Capacity [PDF]
Physical Review Letters, 2001 We show that standard teleportation with an arbitrary mixed state resource is equivalent to a generalized depolarizing channel with probabilities given by the maximally entangled components of the resource.
Garry Bowen, Sougato Bose
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Quantum Entanglement Capacity with Classical Feedback [PDF]
Physical Review A, 2007 For any quantum discrete memoryless channel, we define a quantity called quantum entanglement capacity with classical feedback ($E_B$), and we show that this quantity lies between two other well-studied quantities.
A. W. Leung +5 more
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Nonorthogonal Quantum States Maximize Classical Information Capacity [PDF]
, 1997 I demonstrate that, rather unexpectedly, there exist noisy quantum channels for which the optimal classical information transmission rate is achieved only by signaling alphabets consisting of nonorthogonal quantum states.Comment: 5 pages, REVTeX, mild ...
A. Peres +12 more
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Classical Capacity of the Lossy Bosonic Channel: The Exact Solution [PDF]
Physical Review Letters, 2004 The classical capacity of the lossy bosonic channel is calculated exactly. It is shown that its Holevo information is not superadditive, and that a coherent-state encoding achieves capacity. The capacity of far-field, free-space optical communications is
Vittorio Giovannetti +5 more
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Strong converse for the classical capacity of entanglement-breaking and Hadamard channels via a sandwiched Renyi relative entropy [PDF]
Communications in Mathematical Physics, 2014 A strong converse theorem for the classical capacity of a quantum channel states that the probability of correctly decoding a classical message converges exponentially fast to zero in the limit of many channel uses if the rate of communication exceeds ...
Wilde, Mark M. +2 more
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Strong converse for the classical capacity of the pure-loss bosonic channel [PDF]
Problems of Information Transmission, 2014 This paper strengthens the interpretation and understanding of the classical capacity of the pure-loss bosonic channel, first established in [1]. In particular, we first prove that there exists a trade-off between communication rate and error probability
Mark M. Wilde, Andreas Winter
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The Classical Capacity of Additive Quantum Queue-Channels [PDF]
IEEE Journal on Selected Areas in Information Theory, 2020 We consider a setting where a stream of qubits is processed sequentially. We derive fundamental limits on the rate at which classical information can be transmitted using qubits that decohere as they wait to be processed.
Prabha Mandayam +2 more
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Second-Order Asymptotics for the Classical Capacity of Image-Additive Quantum Channels [PDF]
Communications in Mathematical Physics, 2015 We study non-asymptotic fundamental limits for transmitting classical information over memoryless quantum channels, i.e. we investigate the amount of classical information that can be transmitted when a quantum channel is used a finite number of times ...
Tan, Vincent Y. F., Tomamichel, Marco
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Exceeding classical capacity limit in quantum optical channel [PDF]
Physical Review Letters, 2003 The amount of information transmissible through a communications channel is determined by the noise characteristics of the channel and by the quantities of available transmission resources.
A. S. Holevo +13 more
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Quasi-superactivation of classical capacity of zero-capacity quantum channels [PDF]
Journal of Modern Optics, 2012 One of the most surprising recent results in quantum Shannon theory is the superactivation of the quantum capacity of a quantum channel. This phenomenon has its roots in the extreme violation of additivity of the channel capacity and enables reliable ...
L. Gyongyosi, S. Imre
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