A5062674038- Quantum Information and Cryptography
- Neural Networks and Reservoir Computing
- Quantum Computing Algorithms and Architecture
- Optical Network Technologies
- Orbital Angular Momentum in Optics
- Advanced Optical Sensing Technologies
- Plasmonic and Surface Plasmon Research
- Laser-Matter Interactions and Applications
- Photonic and Optical Devices
Peking University
2022-2024
Abstract Controlling and programming quantum devices to process information by the unit of dit, i.e., qudit, provides possibilities for noise-resilient communications, delicate molecular simulations, efficient computations, showing great potential enhance capabilities qubit-based technologies. Here, we report a programmable qudit-based processor in silicon-photonic integrated circuits demonstrate its enhancement computational parallelism. The monolithically integrates all key functionalities...
Quantum networks provide the framework for quantum communication, clock synchronization, distributed computing, and sensing. Implementing large-scale practical relies on development of scalable architecture integrated hardware that can coherently interconnect many remote nodes by sharing multidimensional entanglement through complex-medium channels. We demonstrate a multichip network based mass-manufacturable integrated-nanophotonic node chips fabricated silicon wafer means complementary...
Abstract Graph states are one of the most significant classes entangled states, serving as quantum resources for technologies. Recently, integrated photonics is becoming a promising platform information processing, enabling generation, manipulation, and measurement photonic states. This article summarizes state-of-the-art experimental progress advances in chip-based graph
Abstract Complex entangled states are the key resources for measurement-based quantum computations, which is realised by performing a sequence of measurements on initially qubits. Executable algorithms in graph-state computing model determined entanglement structure and connectivity By generalisation from graph-type only nearest qubits interact to new type hypergraph any subset can be arbitrarily via hyperedges, represent more general resource that allow arbitrary computation with Pauli...
We designed, fabricated, and characterized a programmable qudit-based quantum processor on silicon. implemented several algorithms with qudits, showing the logarithmic speed-up, photon detection rate enhancement accuracy improvement in information processing.
<title>Abstract</title> Quantum vortices of light carrying orbital angular momentum stand as essential resources for quantum photonic technologies. Recent advancements in integrated photonics offer the potential to create and control using fully circuits, eliminating needs intricate free-space alignment, modulation, stabilization bulky optical elements. However, generating planar waveguides circuits poses challenges, owing complexities confining guiding twisted photons, importantly,...
We experimentally demonstrate the generation of arbitrary entangled 2-photon 5-dimensional orbit angular momentum(OAM) states on a programmable silicon photonic chip. High-dimensional witness and tomography are used to verify genuine entanglement.
Controlling and programming quantum devices to process information by the unit of qudit provides possibilities for noise-resilient communications, delicate molecular simulations, efficient computations, showing great potential enhance capabilities qubit-based technologies. Here, we report a programmable high-dimensional processor in silicon-photonic in-tegrated circuit, which monolithically integrates all key functionalities initialisation, manipulation, measurement two quart (ququart)...
We designed, fabricated, and characterized a programmable qudit-based quantum processor on silicon several algorithms were implemented using qudits which shows the logarithmic speed-up, counting rate acceleration accuracy improvement of qudit processor.
We experimentally create complete classes of twenty-nine four-qubit hypergraph states on a programmable silicon-photonic chip, and implement measurement-based protocols states, which provide an alternative resource for quantum information processing.