Efficient frequency conversion in slab waveguide by cascaded nonreciprocal interband photonic transitions |
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| Authors: | Kim Hwi Lee Byoungho |
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| Institution: | Department of Electronics and Information Engineering, College of Science and Technology, Sejong Campus, Korea University, Jochiwon-eup, Yeongi-gun, Chungnam, 339-700, Korea. hwikim@korea.ac.kr |
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| Abstract: | A slab-waveguide-based configuration for efficient frequency conversion is proposed. In the proposed structure, frequency conversion is induced through cascaded multistep nonreciprocal interband photonic transitions activated by external refractive-index modulations. The advantages of interband photonic transition over intraband photonic transition for frequency conversion are analyzed with the coupled-mode theory. |
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