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The authors report 1.3-μm InAs/GaAs quantum-dot (QD) lasers monolithically grown on a Si substrate by optimising the dislocation filter layers (DFLs). InAlAs/GaAs strained layer superlattices (SLSs) have been presented as DFLs in this study. A distinct improvement in the InAs/GaAs QDs was observed when using InAlAs/GaAs SLSs because of the effective filtering of threading dislocations. Consequently,...
One of the most important issues in electric power market design is to create an appropriate auction mechanism. And one of the most common failures of power market is lack of demand side response to high market price. This paper discusses the bid cost minimization auction mechanism and social welfare maximization auction mechanism in pool market with demand elasticity. A social welfare maximization...
Real-time data collection in a distributed embedded system requires dealing with failures such as data corruptions by malicious devices and arbitrary message delays in the network. Replication of data collection devices is employed to deal with such failures, with voting among the replica devices to move a correct data to the end-user. Here, the data being voted upon can be large-sized and/or take...
This paper describes the engineering of replica voting protocols for energy-efficiency in data delivery. The protocols employ 2-phase voting among replica processes to move a correct data from the external environment to the end-user(s) in a secure real-time application setting. The replicas may be wireless computation nodes deployed in a power-constrained environment. The cross-layer optimization...
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