你需要两只激光器，一个无光的真空的空腔和一些铷- 85元素。
You need two lasers, a vacuous, light-free space and some Rubidium-85.
的波长转换技术，提出一种新的类型，它是基于一种混合集成与作为其外部空腔的光纤布拉格光栅的DBR激光器。
A new type of wavelength conversion technology is presented, which is based on a hybrid integrated DBR laser with a fiber Bragg grating as its external cavity.
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