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Light transmission by a three-level emitter embedded in a waveguide-coupled two-mode photonic crystal nanocavity |
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| Authors: | Jiahua Li Rong Yu Min Liu Chunling Ding Xiaoxue Yang |
| Institution: | 1. Wuhan National Laboratory for Optoelectronics and School of Physics, Huazhong University of Science and Technology, Wuhan 430074, People''s Republic of China;2. School of Science, Hubei Province Key Laboratory of Intelligent Robot, Wuhan Institute of Technology, Wuhan 430073, People''s Republic of China;3. School of Computer Science and Technology, Xiantao Vocational College, Xiantao 433000, People''s Republic of China;1. Department of Mathematics, Faculty of Science, Al-Azhar University, Nasr City, 11884 Cairo, Egypt;2. Department of Basic Science, Faculty of Engineering, Sinai University, Al-Arish, Egypt;3. Department of Mathematics, Faculty of Science and Arts, Shaqra University, Shaqra, Saudi Arabia |
| Abstract: | We investigate light transmission obtained from a three-level V-type emitter embedded in a waveguide-coupled two-mode photonic crystal nanocavity operating in the weak-coupling regime. It is shown that the composite system exhibits double electromagnetically-induced-transparency-like characteristics and a π phase shift while not suffering from absorption in the experimentally available parameter range. The double-frequency transparency of the input light expands the frequency range of EIT and may improve the controllability of EIT. The proposed scheme also provides a way to achieve integrated photonic devices on a chip for applications requiring multiple EIT effect. |
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