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Entanglement and its role on the capacity of noisy two-Pauli channels

Raina, Ankur and Srinivasa, Shayan Garani (2017) Entanglement and its role on the capacity of noisy two-Pauli channels. In: 2015 Workshop on Recent Advances in Photonics, WRAP 2015, 16 December 2015 through 17 December 2015, Bangalore, pp. 1-4.

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Official URL: https://doi.org/10.1109/WRAP.2015.7805959


The discovery of super dense coding paved the way for future quantum communications that exploit the power of entanglement. The protocol lets users communicate two classical bits using a pre-shared entangled pair of qubits called a Bell pair. However, the protocol assumes that a noiseless channel exists between end users. Moreover, perfect Bell pairs may not always be created in any experimental set up. We study the single shot communication properties of partially entangled Werner state and partially entangled pure bipartite states by considering the two-Pauli channel. The two-Pauli channel accommodates for both bit flips and phase flips that qubits may suffer during transmission. Quantification of entanglement is done via entanglement of formation and its dependence on capacity is analyzed.

Item Type: Conference Paper
Publisher: Institute of Electrical and Electronics Engineers Inc.
Additional Information: The copyright for this article belongs to the Institute of Electrical and Electronics Engineers Inc.
Department/Centre: Division of Electrical Sciences > Electronic Systems Engineering (Formerly Centre for Electronic Design & Technology)
Date Deposited: 14 Jun 2022 05:01
Last Modified: 14 Jun 2022 05:01
URI: https://eprints.iisc.ac.in/id/eprint/73423

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