Shengshuai Liu

Generating Honeycomb-Structured Entanglement with a Reconfigurable Spatially Structured Pump

Yu Guo, Xiaozhou Pan, Shengshuai Liu, Guanjun Zeng et autres

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Hundred-Channel Reconfigurable Quantum Teleportation

Anonymous, Jiabin Wang, Yuyan Zou, Lingyue Hou et autres

For achieving scalable and flexible quantum communication, a parallel quantum operation based on naturally spatially separable quantum resources is needed. In this Letter, we experimentally realize hundred-channel reconfigurable quantum teleportation with naturally spatially separable channels by integrating programmable holographic encoding with measurement-free …

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Loss-resistant bright-seeded SU(1,1) quantum interferometer based on joint detection

Xiaochun Li, Yinghui Lv, Jiabin Wang, Shengshuai Liu et autres

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Measurement-device-independent continuous variable entanglement witness in a quantum network

Jing Wen Fu, Xutong Wang, Shengshuai Liu, Jietai Jing

The reliable detection of entanglement plays a crucial role in the construction of quantum networks. The conventional entanglement witness (EW) method has high requirements for measurement device and relies on reliable implementation of the measurement. With unreliable measurement device, EW process can …

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Multiuser all-optical quantum network based on metasurfaces

Shengshuai Liu, Lin Li, Mengting Ning, Yanbo Lou et autres

A crucial aspect of quantum information is the establishment of multiuser quantum networks, ensuring secure transmission of information among separated users. However, establishing a large-scale network remains a substantial challenge, requiring massive and compact Einstein-Podolsky-Rosen (EPR) entangled states. Here, we experimentally generate …

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Experimental demonstration of deterministic all-optical quantum cloning with phase-conjugate inputs

Rui Zhang, Yanbo Lou, Xiaolan Liu, Shengshuai Liu et autres

An unknown quantum state is prohibited from perfect cloning due to the principles of quantum mechanics, while approximate cloning of an unknown quantum state can be achieved by constructing quantum cloning machines. In the continuous variable regime, to effectively improve the cloning …

Experimental enhancement of six-beam quantum squeezing by phase-sensitive cascaded four-wave mixing processes

Jiabin Wang, Yanbo Lou, Shengshuai Liu, Jietai Jing

We experimentally realize the enhancement of six-beam quantum squeezing by utilizing a six-beam phase-sensitive amplifier (PSA) based on cascaded four-wave mixing processes. Compared to the intensity-difference squeezing (IDS) of about 5.03 or 5.09 dB generated by a six-beam phase-insensitive amplifier (PIA), the …

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Deterministic All-Optical Continuous-Variable Quantum Telecloning

Yanbo Lou, Yinghui Lv, Jiabin Wang, Shengshuai Liu et autres

Quantum telecloning, a pivotal multiuser quantum communication protocol in the realm of quantum information science, facilitates the copy of a quantum state across M distinct locations through teleportation technique. In the continuous-variable regime, the implementation of quantum telecloning necessitates the distribution of …

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Phase-sensitivity enhancement based on a four-beam nonlinear interferometer

Jiabin Wang, Shengshuai Liu, Jietai Jing

We propose a different type of nonlinear interferometer, namely, four-beam nonlinear interferometer, which can realize phase-sensitivity enhancement. We compare the phase sensitivity of the four-beam nonlinear interferometer and the corresponding shot-noise limit. Our results demonstrate that the four-beam nonlinear interferometer can achieve …

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All-optical Einstein–Podolsky–Rosen steering swapping

Qiwu Hu, Jiabin Wang, Shengshuai Liu, Jietai Jing

Einstein-Podolsky-Rosen (EPR) steering, an important resource in quantum information, describes the ability of one party to influence the state of another party through local measurements. It differs from Bell nonlocality and entanglement due to its asymmetric property. EPR steering swapping allows two …

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Deterministic All-Optical Quantum Teleportation of Four Degrees of Freedom

Shengshuai Liu, Yinghui Lv, Xutong Wang, Jiabin Wang et autres

Quantum teleportation, disembodied transfer of the unknown quantum state between two locations, has been experimentally demonstrated for both discrete and continuous variable states in one degree of freedom (DOF). Generally, multiple DOFs are needed to fully characterize a quantum state. Therefore, to …

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Orbital Angular Momentum Multiplexed Deterministic All-Optical Quantum Erasure-Correcting Code

Yanbo Lou, Yinghui Lv, Jiabin Wang, Shengshuai Liu et autres

Quantum erasure-correcting code, which corrects the erasure in the transmission of quantum information, is an important protocol in quantum information. In the continuous variable regime, the feed-forward technique is needed for realizing quantum erasure-correcting code. This feed-forward technique involves optic-electro and electro-optic …

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