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Linear-Optical Implementation of Perfect Discrimination between Single-bit Unitary Operations
Pei Zhang, Liang Peng, Zhi-Wei Wang +4
Discrimination of unitary operations is a fundamental quantum information processing task. Assisted with linear optical elements, we experimentally demonstrate perfect discriminati…
Experimental entanglement verification and quantification via uncertainty relations
Zhi-Wei Wang, Yun-Feng Huang, Xi-Feng Ren +2
We report on experimental studies on entanglement quantification and verification based on uncertainty relations for systems consisting of two qubits. The new proposed measure is s…
Linear Optical Implemention of a Quantum Network for Quantum Estimation
Zhi-Wei Wang, Jian Li, Yun-Feng Huang +4
We present a scheme for simulating the quantum network of quantum estimation proposed by A. K. Ekert et al. [Phys. Rev. Lett. 88, 217901 (2002)]. We experimentally implement the sc…
Plasmon assisted transmission of high dimensional orbital angular momentum entangled state
Xi-Feng Ren, Guo-Ping Guo, Yun-Feng Huang +2
We present an experimental evidence that high dimensional orbital angular momentum entanglement of a pair of photons can be survived after a photon-plasmon-photon conversion. The i…
Spatial mode properties of plasmon assisted transmission
Xi-Feng Ren, Guo-Ping Guo, Yun-Feng Huang +2
Orbital angular momentum of photons is explored to study the spatial mode properties of plasmon assisted transmission process. We found that photons carrying different orbital angu…
Observation of the Preservation of the Two-Photon Coherence in Plasmon-assisted Transmission
Guo-Ping Guo, Xi-Feng Ren, Yun-Feng Huang +3
We experimentally study two-photon coherence in plasmon-assisted transmission with a two-photon Mach-Zehnder (MZ) interferometer. Two collinear photons of identical or orthogonal p…