Nanophotonic spectroscopy and coherent control of color centers

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During the past decade, fiber optic systems, which harness light to transmit information over long distances, have fueled the growth of the internet and of the telecommunications industry. While this technology continues to mature, two areas of research that use light for information processing have begun to influence new technology: nanophotonics and quantum optics. Research in nanophotonics is aimed at replacing electrical connections inside of computer chips with optical interconnects, reducing heat generation and increasing the data transfer bandwidth between computing components. For example, groups at companies such as HP and IBM have proposed computer architectures that use nanophotonic circuits to implement an "optical bus" between data-center server cores. Experiments in quantum optics study light transmission at extremely low power levels, where bits of information are encoded on individual particles of light (photons). The research program described in this proposal will conduct experiments at the intersection of nanophotonics and quantum optics. The ultimate goal of these experiments is to use tiny quantities of light for optical logic, and to write and readout information from electronic or magnetic memory devices whose physical dimensions are close to those of individual atoms.