The entanglement of optical NOON state in the damping and thermal noise environment

Liang-neng Wu; Li-zhen Jiang

doi:10.1117/12.757131

26 November 2007 The entanglement of optical NOON state in the damping and thermal noise environment

Liang-neng Wu, Li-zhen Jiang

Proceedings Volume 6827, Quantum Optics, Optical Data Storage, and Advanced Microlithography; 68270S (2007) https://doi.org/10.1117/12.757131
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

The evolution of the optical NOON state is investigated. The environments of the evolution are the thermal noise and amplitude damping due to fiber loss. The characteristic function and the density matrix of the time-dependent state are deduced strictly. We calculate the relative entropy of entanglement for the truncated time-dependent state for N=1 case. The phase measurement performance of the damped states is also studied.

Citation Download Citation

Liang-neng Wu and Li-zhen Jiang "The entanglement of optical NOON state in the damping and thermal noise environment", Proc. SPIE 6827, Quantum Optics, Optical Data Storage, and Advanced Microlithography, 68270S (26 November 2007); https://doi.org/10.1117/12.757131

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