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Large‐area patterning of metals in nanoscale has always been a challenge. Traditional microfabrication processes involve many high‐cost steps, including etching and high‐vacuum deposit, which limit the development of functional nanostructures, especially multiscale metallic patterns. Here, multiplex laser shock imprinting (MLSI) process is introduced to directly manufacture hierarchical micro/nanopatterns...
A detailed analysis of different CPE schemes for 256- QAM signals is presented. Viterbi&Viterbi algorithms demonstrate very poor performance, while the best compromise between complexity and performance is achieved using the BPS+MLE algorithm.
We report terahertz coded-aperture imaging using photo-induced reconfigurable aperture arrays on a silicon wafer. The coded aperture was implemented using programmable illumination from a commercially available digital light processing projector. At 590 GHz, each of the array element apertures can be optically turned on and off with a modulation depth of 20 dB and a modulation rate of ...
In addition to a small form factor, low drive current and low power dissipation, vertical-cavity surface-emitting lasers (VCSELs) are integrable into arrays with either a surface-normal or an in-plane, waveguide-coupled geometry, which enables a compact, wideband optical interconnect. The wavelength division multiplexing of high speed VCSEL arrays, in a discrete or monolithic format, provides a compact...
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