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Nanoparticle Tuning for New Optomechanical Applications

Like a tuning fork struck with a mallet, tiny gold nanodisks can be made to vibrate at resonant frequencies when struck by light. In new research, Rice University researchers showed they can selectively alter those vibrational frequencies by gathering different-sized nanodisks into groups. Researchers tested more than a dozen sample groupings of nanodisks using electron

Integrated Plasmonic Sources and Detectors Needed for Practical Bio- and Chemical Sensing Plasmonic Circuitry

Integrated plasmonic sources and detectors are imperative in the practical development of plasmonic circuitry for bio- and chemical sensing, nanoscale optical information processing, as well as transducers for high-density optical data storage. Here we show that vertical-cavity surface-emitting lasers (VCSELs) can be employed as an on-chip, electrically pumped source or detector of plasmonic signals, when