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Modulation of four-wave mixing via photonic band gap |
Zhen-Kun Wu1,*( ),Kai-Ge Chang1,Yi Hu2,Yun-Zhe Zhang3,Zi-Hai Jiang1,Yan-Peng Zhang1 |
1. Key Laboratory for Physical Electronics and Devices of the Ministry of Education & Shaanxi Key Lab of Information Photonic Technique and School of Science, Xi’an Jiaotong University, Xi’an 710049, China
2. Education Institute of Taiyuan University, Taiyuan 030001, China
3. Institute of Applied Physics, Xi’an University of Arts and Science, Xi’an 710065, China |
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Abstract The dressed four-wave mixing (FWM) in a four-level 85Rb atomic system, experimentally demonstrated in this paper, is comprised by two coexisting processes. One is emission signal due to enhanced nonlinear via electromagnetically induced transparency (EIT). The other is the Bragg reflection of probe beam because of the created photonic band gap (PBG), which is affected by both linear and third-order nonlinear susceptibility. Moreover, we have demonstrated that different experimental parameters can significantly influence the measured signal with flexibly controlled PBG. These studies are found useful for understanding the fundamental mechanisms in generated FWM processing.
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| Keywords
four-wave mixing (FWM)
electromagnetically induced transparency (EIT)
photonic band gap (PBG)
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Corresponding Author(s):
Zhen-Kun Wu
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Issue Date: 15 October 2014
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