two-photon optical recording 双光子光存储
two-photon optical bistability 双光子光学双稳态
two photon optical bistable system 双光子光学双稳系统
2-photon 3D optical storage 双光子吸收光存储
How can the law accommodate a further output signal, a photon or optical signal?
这定律如何适应进一步输出信号，光子或光信号？
As the optical precursor and main wave packet traveled through a second group of rubidium atoms, the scientists took measurements on the speed of the two photon components.
随着光前驱和主波包通过第二组铷原子，科学家就可以对这两个光子成分的速度进行测量。
But this study is the first to experimentally show that optical precursors exist at the single-photon level, and that they are the fastest part of the single-photon wave packet.
而这次的研究则是第一次用实验证明，在单个光子层次上也存在着光前驱，而且它们也是单个光子的波包中最快的部分。
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