Fan Huanrong, Raza Faizan, Ahmed Irfan, Imran Muhammad, Nadeem Faisal, Li Changbiao, Li Peng, Zhang Yanpeng
Key Laboratory for Physical Electronics and Devices of the Ministry of Education & Shaanxi Key Lab of Information Photonic Technique, Xi'an Jiaotong University, Xi'an 710049, China.
State Key Lab of Modern Optical Instrumentation, Centre for Optical and Electromagnetic Research, College of Optical Science and Engineering, International Research Center for Advanced Photonics, Zhejiang University, Hangzhou 310027, China.
Nanomaterials (Basel). 2022 Dec 4;12(23):4304. doi: 10.3390/nano12234304.
We report photon-phonon atomic coherence (cascade- and nested-dressing) interaction from the various phase transitions of Eu: BiPO crystal. Such atomic coherence spectral interaction evolves from out-of-phase fluorescence to in-phase spontaneous four-wave mixing (SFWM) by changing the time gate. The dressing dip switch and three dressing dips of SFWM result from the strong photon-phonon destructive cross- and self-interaction for the hexagonal phase, respectively. More phonon dressing results in the destructive interaction, while less phonon dressing results in the constructive interaction of the atomic coherences. The experimental measurements of the photon-phonon interaction agree with the theoretical simulations. Based on our results, we proposed a model for an optical transistor (as an amplifier and switch).
我们报道了Eu:BiPO晶体各种相变中的光子 - 声子原子相干（级联和嵌套缀饰）相互作用。通过改变时间门，这种原子相干光谱相互作用从异相荧光演变为同相自发四波混频（SFWM）。SFWM的缀饰凹陷开关和三个缀饰凹陷分别源于六方相的强光子 - 声子相消交叉和自相互作用。更多的声子缀饰导致相消相互作用，而较少的声子缀饰导致原子相干的相长相互作用。光子 - 声子相互作用的实验测量结果与理论模拟结果一致。基于我们的结果，我们提出了一种光晶体管（作为放大器和开关）的模型。
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