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Polaritons in semiconductor/insulator superlattices with nonlocal excitonic response
Affiliation:1. Key Laboratory of Green Chemical Process of Ministry of Education, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan, 430205, China;2. Key Laboratory of Novel Reactor and Green Chemical Technology of Hubei Province, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan, 430205, China;1. Surface and Nanoscience Division, Materials Science Group, Indira Gandhi Centre for Atomic Research, Kalpakkam, 603102, Tamil Nadu, India;2. Catalysis Division, National Chemical Laboratory, Pune, 411 008, India;1. Radiation and Photochemistry Division, Bhabha Atomic Research Centre, Mumbai 400085, India;2. Institute of Nano Science and Technology, Mohali, Punjab 160062, India;3. Department of Chemistry, Savitribai Phule Pune University, Ganeshkhind, Pune 411007, India;1. Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou, 310027, China;2. Department of Chemistry and Biochemistry, California State University, Los Angeles, CA 90032, USA;3. Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, China
Abstract:We report a polariton mode structure calculations based on nonlocal model for semiconductor/insulator superlattices. The reflection spectra and the spatial distributions of intrinsic electric fields near polariton resonance are presented. We show that near the polariton resonance the electric component of polariton mode changes drastically and depends strongly upon the quantum confined exciton wavefunctions.
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