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Infrared absorption in parabolic multiquantum well structures
Authors:RPG Karunasiri  KL Wang
Institution:1. Department of Mechanical Engineering, Sri Sai Ram Institute of Technology,Chennai 600044, India;2. Department of Mechanical Engineering, Sri Sairam Engineering College, Chennai 600044, India;1. Department of Chemistry, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan;2. Research Centre for Specrochemistry, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan;3. Department of Electrical Engineering, University of California, Los Angeles, CA 90095, USA;4. Japan Science and Technology Agency, 7 Gobancho, Chiyoda-ku, Tokyo 102-0076, Japan
Abstract:The absorption constant for intraband transitions in parabolic multiquantum well structures is calculated and compared with intraband absorption in a square well superlattice. The parabolic multiple quantum well structure may be used as an Infrared detector with the possibility of lower leakage current compared to one made of square wells.
Keywords:
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