Abstract
The development of a usable single-photon source (SPS) with photons exhibiting antibunching has recently been of significant interest for its applications in quantum cryptography and quantum communication. A desirable feature for a SPS is deterministic photon polarization, so that losses are not introduced by using polarizers to encode information. Meanwhile, colloidal quantum-dot (QD) based devices are promising because QD fluorescence has higher photo stability at room temperature than conventional dyes, and relatively high quantum yield. To increase spontaneous emission of QDs, microcavities including photonic crystals can be used.
© 2007 IEEE
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