Photonic crystal chips for optical interconnects and quantum information processing

We have recently demonstrated a number of functional photonic crystals devices and circuits, including an ultrafast, roomtemperature, low threshold, nanocavity laser with the direct modulation speed approaching 1THz, an all-optical switch controlled with 60 fJ pulses and with the speed exceeding 20GHz, and a local, reversible tuning of individual quantum dots on a photonic crystal chip by up to 1.8nm, which was then used to tune single quantum dots into strong coupling with a photonic crystal cavity and to achieve a giant optical nonlinearity.

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