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quant-ph2024
Near-symmetric multiport beam splitting for high-NOON state preparation on nonlocal metasurface
Yu Tian, Qi Liu, Zhaohua Tian +2
Polarization beam splitting (BS) has been implemented on gradient metasurface with local response for entanglement manipulation and state reconstruction. To realize more degrees of…
quant-ph2024
Quantum CZ Gate based on Single Gradient Metasurface
Qi Liu, Yu Tian, Zhaohua Tian +4
We propose a scheme to realize quantum controlled-Z (CZ) gates through single gradient metasurface. Using its unique parallel beam-splitting feature, i.e., a series of connected be…
quant-ph2024
Wavepacket interference of two photons through a beam splitter: from temporal entanglement to wavepacket shaping
Zhaohua Tian, Qi Liu, Yu Tian +1
Quantum interferences based on beam splitting are widely used for entanglement. However, the quantitative measurement of the entanglement in terms of temporal modes and wavepacket…