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Quantum Dense Coding with Atomic Qubits
Physical Review Letters, 2004We report the implementation of quantum dense coding on individual atomic qubits with the use of two trapped 9Be+ ions. The protocol is implemented with a complete Bell measurement that distinguishes the four operations used to encode two bits of classical information.
Schätz, Tobias +8 more
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Orbital Angular Momentum Multiplexed Quantum Dense Coding
Physical Review Letters, 2021To beat the channel capacity limit of conventional quantum dense coding (QDC) with fixed quantum resources, we experimentally implement the orbital angular momentum (OAM) multiplexed QDC (MQDC) in a continuous variable system based on a four-wave mixing process.
Yingxuan Chen +3 more
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Controlled Dense Coding between Multi-Parties
International Journal of Theoretical Physics, 2008zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Huang, Yi-Bin +2 more
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Quantum Dense Coding in Trapped Ions
International Journal of Theoretical Physics, 2014zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Cai, Li-Juan, Li, Wen-Yong
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Dense Coding in Experimental Quantum Communication
Physical Review Letters, 1996Classically, sending more than one bit of information requires manipulation of more than one two-state particle. We demonstrate experimentally that one can transmit one of three messages, i.e., 1 ``trit'' $\ensuremath{\approx}1.58\mathrm{bit}$, by manipulating only one of two entangled particles. The increased channel capacity is proven by transmitting
, Mattle +3 more
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CONTROLLED DENSE CODING VIA GENERALIZED MEASUREMENT
International Journal of Quantum Information, 2009A scheme of realizing controlled dense coding via generalized measurement was presented. In this protocol, the supervisor can control the entanglement between the sender and the receiver and then the average amount of information transmitted from the sender to the receiver by only adjusting measurement angle θ.
Luo, Cui-Lan, Ouyang, Xiao-Fang
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2015
Quantum information theory distinguishes classical bits from quantum bits or qubits. The quantum state of n qubits is represented by a complex vector in .C2/ n, where .C2/ n is the tensor product of n 2-dimensional complex vector spaces. Classical n-bit strings form a basis for the vector space .C2/ n.
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Quantum information theory distinguishes classical bits from quantum bits or qubits. The quantum state of n qubits is represented by a complex vector in .C2/ n, where .C2/ n is the tensor product of n 2-dimensional complex vector spaces. Classical n-bit strings form a basis for the vector space .C2/ n.
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2001
A code $X$ is dense if any word $w\in A^*$ is a factor of a word in $X$, otherwise $X$ is thin. It is known that thin bifix codes cannot be embedded in a maximal one. We prove that any bifix code may be embedded in a maximal dense bifix code, not maximal as code. Our proof lays upon an explicit construction.
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A code $X$ is dense if any word $w\in A^*$ is a factor of a word in $X$, otherwise $X$ is thin. It is known that thin bifix codes cannot be embedded in a maximal one. We prove that any bifix code may be embedded in a maximal dense bifix code, not maximal as code. Our proof lays upon an explicit construction.
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Dense coding in entangled states
Physical Review A, 2002We consider the dense coding of entangled qubits shared between two parties, Alice and Bob. The efficiency of classical information gain through quantum entangled qubits is also considered for the case of pairwise entangled qubits and maximally entangled qubits. We conclude that using the pairwise entangled qubits can be more efficient when two parties
Hyuk-jae Lee, Doyeol Ahn, Sung Woo Hwang
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Super Dense Coding with Dark-Soliton Qubits
International Journal of Theoretical Physics, 2022zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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