Multi-wavelength infrared detection realized with two distinct superlattices separated by a blocking barrier
Resource
Lasers and Electro-Optics, 2002. CLEO '02. Technical Digest. Summaries of Papers Presented at the
Journal
Lasers and Electro-Optics, 2002. CLEO '02. Technical Digest. Summaries of Papers Presented at the
Pages
-
Date Issued
2002
Date
2002
Author(s)
Chen, C.C.
Chen, H.C.
Hsieh, W.H.
Kuan, C.H.
Lin, S.D.
Lee, C.P.
DOI
N/A
Abstract
Summary form only given. A detector with two distinct superlattices separated by a blocking barrier was investigated for multi-wavelength infrared detection. We show the band structure of our detector. It contains sequentially a 500 nm bottom contact layer, a 14-period bottom superlattice, a blocking barrier, another 14-period top superlattice, and a 400 nm top contact layer. Each period of the bottom and top superlattices is respectively composed of 6 nm GaAs well and 4 nm Al/sub 0.27/Ga/sub 0.73/As barrier.
Type
journal article
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