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In this paper, we introduce a hybrid three-dimensional photoniccrystal cavity with an embedded quantum dot, and investigate the dynamics of the cavity-quantum dot system. The general procedure of modelling such a practical structure is presented, where the master equation is solved on the basis of the parameters obtained from defect mode analyses. According(More)
Circuit design under process variation can be formulated mathematically as a robust optimization problem with a yield constraint. Existing methods force designers to either resort to overly simplified circuit performance model, or rely on simplistic variability assumptions. On the other hand, accurate yield estimation must incorporate a sophisticated(More)
In general, two major factors effect on the measurement precision of ultrasonic transit-time gas flowmeter: the calculations of gas velocity distribution in the pipe and the measurements of the transit time of ultrasonic transmitting from one transducer to another. In this paper, considering the affect factors, a new design of ultrasonic gas flow meter is(More)
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