Abstract
Abstract
We demonstrate a quantum cascade detector with two coupled double-well structures exhibiting a high peak responsivity of 166 mA W−1 for 8.2 μm detection at 80 K. The coupled double-absorption-well design offers enhanced absorption efficiency. Meanwhile, incorporating another coupled double-well structure in the extractor increases the extraction efficiency. Both factors contribute to the high performance of our device.
Funder
National Natural Science Foundation of China
Subject
General Physics and Astronomy,General Engineering
Cited by
6 articles.
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