Abstract
In these last years, a great deal of effort has been devoted to the miniaturization of quantum information technology on semiconductor chips. In the context of photon pair sources, the bi-exciton cascade of a quantum dot [1] and the four-wave mixing in Silicon waveguides [2] have been used to demonstrate the generation of entangled states. Spontaneous parametric down-conversion in III–V semiconductor waveguides combines the advantages of room temperature and telecom wavelength operation, while keeping open the possibility of electrically pumping of the device [3].
© 2013 IEEE
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