Controlled Quantum State Transfer with Separate Measurements in Cavity QED

Tong, Zhimin; Rong, Lihong

doi:10.1007/s10773-012-1192-9

Int J Theor Phys

2012

DOI: 10.1007/s10773-012-1192-9

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Controlled Quantum State Transfer with Separate Measurements in Cavity QED

Zhimin Tong

Lihong Rong

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Cited by 2 publications

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“…Quantum state transfer can be completed either by teleportation or through quantum networking [2,[11][12][13][14]. In the past two decades, many schemes of quantum communication in the context of cavity-QED have been proposed [15][16][17][18][19][20][21][22][23][24][25]. Most of them are based on (in-)direct interactions between the atoms whose internal states are to be transferred.…”

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Entanglement transfer in a noisy cavity network with parity-deformed fields

et al. 2019

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We investigate the effects of parity-deformed radiation fields on the dynamics of entanglement transfer to distant noninteracting atom qubits. These qubits are embedded in two separated lossy cavities connected by a leaky fiber, which acts as a cavity buffer with delocalized modes. The process is studied within a singleexcitation subspace, the parity-deformed cavity photons allowing the introduction of static local classical fields which function as a control. The mechanism of state transfer is analyzed in comparison to the uncontrolled case. We find that the transfer evolution exhibits an asymmetry with respect to atom-field detuning, being sensitive to the sign of the detuning. Under a linear interaction controlled by the local classical fields, we show that the entanglement distribution can be both amplified and preserved against the noise. These results motivate developments towards the implementation or simulation of the purely theoretical model employing parity-deformed fields.

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Entanglement transfer in a noisy cavity network with parity-deformed fields

et al. 2019

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Pulse Transmission and State Conversion in Two-mode Optomechanical Cavity Coupled with Atomic Medium

2014

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Controlled Quantum State Transfer with Separate Measurements in Cavity QED

Cited by 2 publications

References 11 publications

Entanglement transfer in a noisy cavity network with parity-deformed fields

Entanglement transfer in a noisy cavity network with parity-deformed fields

Pulse Transmission and State Conversion in Two-mode Optomechanical Cavity Coupled with Atomic Medium

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