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Summary form only given . Semiconductor quantum dot (QD) devices for the generation of single photon and entangled photon pairs have been eagerly studied for their applications in quantum information technology. Although the single-photon generation has been progressed with vertical micro-cavity, the generation of entangled photon pairs has not yet been achieved with the devices. The well-known Stranski-Krastanov(SK)-type...
We report a dramatic increase in the light emitting efficiency of InGaN/GaN resulting from surface plasmon interaction between the quantum wells and evaporated silver layers, whereas no such enhancement was obtained from gold deposited samples.
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