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International Conference on Information Systems Engineering (ICISE)

Deterministic Broadcast-Based Controlled Remote State Preparation Scheme for Single-Qubit Real-Parameter State

Ma Zhiqiang, Luo Bingbing, Wei Jiahua, Kaihang Zhou, Longqiang Yu, Lu Wei

Published May 1, 2019• 1 citation
Publisher

Abstract

In this paper, a novel scheme of broadcast-based controlled remote state preparation for single-qubit real-parameter state is proposed by using of three-qubit entangled states as quantum channel. The significant advantage of this scheme is that the successful probability is always equal to one. In our scheme, the single-qubit real-parameter state can be transmitted simultaneously from one sender to two remote receivers under the command of two controllers with the aid of suitable projective measurements and unitary operations. This protocol could be useful for multi-node quantum communication network.

DOI
10.1109/icise.2019.00028

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In this paper, a novel scheme of broadcast-based controlled remote state preparation for single-qubit real-parameter state is proposed by using of three-qubit entangled states as quantum channel. The significant advantage of this scheme is that the successful probability is always equal to one. In our scheme, the single-qubit real-parameter state can be transmitted simultaneously from one sender to two remote receivers under the command of two controllers with the aid of suitable projective measurements and unitary operations. This protocol could be useful for multi-node quantum communication network.
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We propose a novel and efficient scheme for probabilistic controlled remote state preparation of an arbitrary two-qubit quantum state with the aid of the introduction of auxiliary particles and some appropriate local unitary operations. In this scheme, two partially three-qubit entangled states are used as quantum channel. The controlled preparation with one sender, two receivers and one controller can be realized when the information of nonmaximally entangled states are only available for the sender. Furthermore, the concrete implementation processes of this proposal are presented, and the successful probability of our scheme are calculated in the general case and special case, respectively.
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