Changlong Zhu

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Handover is a critical process in wireless networks, which determines the quality of communications, especially the real-time connections. Currently many protocols on handover have been proposed to meet the demand of IPv6 wireless communications, most of which have been appraised using simulation, testing, or both; few protocols have been specified and(More)
We present a method to enhance the optical Kerr nonlinearity by introducing a gain-loss balanced feedback control structure. Our gain-loss balanced system consists of two indirectly coupled whispering-gallery-mode resonators in which one is a loss resonator and the other is a gain resonator. We found that the Kerr nonlinearity in the loss resonator can be(More)
The purpose of this paper is to present a method of distributing quantum entanglement over a quantum CDMA network. We use this method to generate two maximally entangled states between two pairs of nodes which share one quantum channel. In this method, we use bright coherent light as the intermediate physical medium for transmitting quantum information. We(More)
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