Roy Ritayan, Condylis Paul C, Prakash Vindhiya, Sahagun Daniel, Hessmo Björn
Centre for Quantum Technologies (CQT), 3 Science Drive 2, Singapore, 117543, Singapore.
School of Physics and Astronomy, University of Southampton, Highfield, Southampton, SO17 1BJ, United Kingdom.
Sci Rep. 2017 Oct 20;7(1):13660. doi: 10.1038/s41598-017-13959-z.
Here we report of a design and the performance of an optimized micro-fabricated conveyor belt for precise and adiabatic transportation of cold atoms. A theoretical model is presented to determine optimal currents in conductors used for the transportation. We experimentally demonstrate a fast adiabatic transportation of Rubidium (Rb) cold atoms with minimal loss and heating with as few as three conveyor belt conductors. This novel design of a multilayered conveyor belt structure is fabricated in aluminium nitride (AlN) because of its outstanding thermal and electrical properties. This demonstration would pave a way for a compact and portable quantum device required for quantum information processing and sensors, where precise positioning of cold atoms is desirable.
在此，我们报告一种用于冷原子精确绝热传输的优化微制造传送带的设计与性能。提出了一个理论模型来确定用于传输的导体中的最佳电流。我们通过实验证明了铷（Rb）冷原子的快速绝热传输，损失和加热最小，仅需三条传送带导体。这种多层传送带结构的新颖设计是用氮化铝（AlN）制造的，因为它具有出色的热性能和电性能。这一演示将为量子信息处理和传感器所需的紧凑便携式量子设备铺平道路，在这些设备中，冷原子的精确定位是可取的。
