Changsheng Gu

TL;DR: This work demonstrates the first mobile entanglement distribution based on drones, realizing multi-weather operation including daytime and rainy nights, and reveals its potential to establish a multinode quantum network, with a scalable design using symmetrical lens diameter and single-mode-fiber coupling.

TL;DR: In this article, the authors demonstrate the first mobile entanglement distribution based on drones, realizing multi-weather operation including daytime and rainy nights, with a Clauser-Horne-Shimony-Holt S-parameter measured to be 2.41−±−0.14 and 2.49−±-0.06, respectively.

TL;DR: Using two drones, where one distributes the entangled photons and the other serves as relay node, the authors in this article achieved entanglement distribution with Clauser-Horne-Shimony-Holt S parameter of 2.59±0.11 at 1 km distance.

TL;DR: In this paper , the first drone-based quantum key distribution (QKD) with average secure key rate larger than 8 kHz using decoy-state BB84 protocol with polarization coding is reported.

TL;DR: In this article, a mobile single-mode optical fiber tracking and pointing method and a single mode optical fiber pointing device are presented. And the method comprises the following steps: receiving a first reference optical signal emitted by a target device in a moving state, adjusting a pitch angle and a yaw angle of a holder driven by a brushless motor in the mobile singlemode optical-fiber tracking device according to the first reference signal, and controlling the second reference signal to deflect.