用于原子量子显微术的光晶格
Optical Lattices for Atom Based Quantum Microscopy
摘要：
我们描述了新技术在建设的光晶格，实现相干原子为基础的显微镜，包括两个原子物种用作目标和探针原子，每个在一个独立控制的光晶格。晶格的精确和动态平移允许原子进入空间重叠以诱导原子相互作用。为此目的，我们已经制造了两个高度稳定的，六角形光晶格，具有广泛的分离波长，但相同的晶格常数使用衍射光学。12纳米的相对平移稳定性允许控制相互作用，甚至具有高保真度的纠缠操作。晶格的平移是通过单片电光调制器阵列实现的，能够在11微秒内在一个晶格位置上平滑地移动晶格，或者在100纳秒的量级上快速移动晶格。
英文摘要：
We describe new techniques in the construction of optical lattices to realize a coherent atom-based microscope, comprised of two atomic species used as target and probe atoms, each in an independently controlled optical lattice. Precise and dynamic translation of the lattices allows atoms to be brought into spatial overlap to induce atomic interactions. For this purpose, we have fabricated two highly stable, hexagonal optical lattices, with widely separted wavelengths but identical lattice constants using diffractive optics. The relative translational stability of 12nm permits controlled interactions and even entanglement operations with high fidelity. Translation of the lattices is realized through a monolithic electro-optic modulator array, capable of moving the lattice smoothly over one lattice site in 11 microseconds, or rapidly on the order of 100 nanoseconds.
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