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Graphene is a covalent 2D electron system comprised of a single layer of carbon atoms arranged in a hexagonal honeycomb lattice. It has a unique electronic structure with linear dispersion, vanishing effective mass, extremely high carrier velocities, strong optical absorption over a wide wavelength range, and excellent thermal and mechanical properties. Because of these characteristics there has been...
Graphene, a two-dimensional carbon form with the highest intrinsic carrier mobility and many desirable physical properties at room temperature, is considered a promising material for ultra high speed and low power devices with the possibility of strong scaling potential due to the ultra-thin body. (Fig. 1) Here IBM reports progress in graphene nanoelectronics, synthesizing wafer-scale monolayer-controlled...
This paper reviews recent progress on CMOS-integrated optical receivers for on-chip interconnects, which have become attractive for achieving communication bandwidth well beyond terabit-per-second with low-power consumption. The design of optical receivers and the performance metrics required from the photodetector (PD) for a low-power receiver is discussed. The progress in waveguide-integrated germanium...
As multi-core processor architectures continue to evolve as a promising platform for high-performance computing, an additional set of challenges emerges for the global interconnects between cores. In particular, the limited throughput and large power consumption of electrical interconnects become dominant factors limiting the continued scaling of power performance. One promising solution is to replace...
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