Xi'an optical machine where the quantum optics integrated chip has made important progress

Supported by the Class B strategic pilot science and technology project "Large-Scale Photonic Integrated Chip" of the Chinese Academy of Sciences, Xi'an Institute of Optics and Electronics cooperates with many foreign scientific research institutes. Based on the photonic chips developed by Xiguang and based on multiple high-purity frequency modes Coherent superposition of the unique program to solve the on-chip high-dimensional entangled two-photon state preparation and control of the international problems, the use of 10-level entangled two-photon state to achieve ultra-100-dimensional on-chip quantum system and frequency control achieved quantum state Flexible control. Relevant results published in June 2017 in the internationally renowned journal Nature.

The photon quantum system based on entangled photons is the core foundation for solving many problems in modern quantum physics and quantum information science. With the deepening of quantum information research, in addition to multi-photon entanglement, high-dimensional qubits have drawn much attention due to their much higher information carrying capacity than qubits, which has become a deep study of quantum mechanisms Research, improve the robustness and speed of quantum communication protocols, and key tools for more efficient quantum computing.

High dimensional quantum state generation and control experiment device

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