用于量子计算的芯片上的1D和2D光晶格
1D and 2D optical lattices on a chip for quantum computing
摘要：
提出了一种在介质衬底上制作冷原子光频偶极力微阱阵列的方法。陷阱是光波导上方的倏逝波场中的节点，由不同波导模式的干涉产生。这些陷阱具有在开发用于量子计算的基于中性原子的架构中所寻求的特征：~ 1 mW的激光功率产生在波导上方150 nm处的非常紧密的陷阱，其中陷阱振动频率~ 1 MHz并且振动基态尺寸~ 10 nm。阵列是可扩展的，并且允许为量子逻辑操作寻址各个站点。
英文摘要：
We propose a way to make arrays of optical frequency dipole-force microtraps for cold atoms above a dielectric substrate. Traps are nodes in the evanescent wave fields above an optical waveguide resulting from interference of different waveguide modes. The traps have features sought in developing neutral atom based architectures for quantum computing: ~ 1 mW of laser power yields very tight traps 150 nm above a waveguide with trap vibrational frequencies ~ 1 MHz and vibrational ground state sizes ~ 10 nm. The arrays are scalable and allow addressing of individual sites for quantum logic operations.
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