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We propose a novel scheme for broadband generation of photon pairs combined with efficient spatial pump filtering. This is achieved through spontaneous parametric down-conversion in a system of nonlinear adiabatically coupled waveguides.
This is a brief review of recent work on the prospective hybrid CMOS/memristor circuits. Such hybrids combine the flexibility, reliability and high functionality of the CMOS subsystem with very high density of nanoscale thin film resistance switching devices operating on different physical principles. Simulation and initial experimental results demonstrate that performance of CMOS/memristor circuits...
A vertical channel SONOS memory, which is compatible with current CMOS process and has four physical storage nodes per unit area, is fabricated and electrically evaluated. Comparing with a planar device, the array cell tuning is much easier since the channel length is no longer limited by array area. After reviewing key performances including program/erase (P/E) speeds, second bit effect, program...
This paper presents the development of high-frequency ultrasonic annular arrays. A high-frequency six-ring annular array was successfully fabricated with the DRIE dry-etching. The array has a total aperture of 1.3 mm and six equal area (0.25 mm2 ) rings separated by 16-??m kerfs. The simulations prove its capability of dynamic focusing and its improved lateral resolution. The measured results of the...
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