X. Z. Wang

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Spatiotemporal data, especially remote sensing data, are widely used in ecological, geographical, agriculture, and military research and applications. With the development of remote sensing technology, more and more remote sensing data are accumulated and stored in the cloud. An effective way for cloud users to access and analyse these massive(More)
A new kind of dopant-semiconductor nanocrystal (quantum dot) doped into a fiber forming a quantum-dot-doped fiber and thereby configuring a quantum-dot-doped fiber amplifier (QDFA) is presented. The bandwidth, gain and noise of the QDFA is simulated by choosing a kind of PbSe quantum dot with 5.5-nm diameter and solving rate equations in a two-level system.(More)
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