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InAlGaAs/InP p-i-n photodiodes epitaxially grown on silicon substrate with a dark current density as low as 1.3 mA/cm2 at −3 V are demonstrated. Responsivity, bandwidth, and output power at 1-dB compression are 0.76 A/W, 8 GHz, and −3.4 dBm, respectively.
We report 1300 nm continuous wave lasing on an on-axis GaP/Si (001) virtual substrate operating up to 60°C with record low threshold current of 27 mA. Ridge and broad area lasers were fabricated with seven layers of p-modulation doped quantum dots and as-cleaved facets.
Stem diameter distribution is a crucial forest inventory variable in operational forest management. Compared to ground based forest mensuration (e.g., diameter at breast height (DBH)), airborne laser scanning (ALS) offers a cost effective alternative for modelling forest inventory variables. The objective of this study is to determine the impact of the size and number of sample plots on modelling...
Fuzzy linguistics is popular in the fields like human system interaction and intelligent systems today, so to eliminate the expressive preference in fuzzy mood has become a crucial issue for computer to understand humanpsilas real meaning well. After defining and discussing the concept of mood operator and two typical kinds of expressive preference in fuzzy mood - attitude preference and degree preference,...
New versions of existing large-scale web services such as Passport.comcopy have to go through rigorous performance evaluations in order to ensure a high degree of availability. Performance testing (such as benchmarking, scalability, and capacity tests) of large-scale stateful systems in managed test environments has many different challenges, mainly related to the reproducibility of production conditions...
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