Final Public Oral Examinations

  • Characterizing and Enhancing Energy Efficiency in Manycore Processors for Data Center Applications

    Mon, Dec 9, 2019, 3:30 pm to 4:30 pm

    Power and energy have become primary design constraints for modern processors. Power no longer scales with transistor channel length, causing power density to increase. Continued transistor scaling will require prohibitively expensive cooling technologies. This is particularly an issue in data centers, where the cost of power and cooling has a major impact on the total cost of ownership. Data centers have grown and expanded rapidly due to the advent of cloud computing and interactive web services.

  • Dynamics and Operations of Photonic Neurons

    Fri, Oct 4, 2019, 2:00 pm to 3:00 pm

    Photonic communication channels---which code information on waves of light---compose both the vast networks that underlie the internet and the fiber optic links that connect data centers together. Electronics, in contrast, has dominated computing, driving the landscape for nearly sixty years with an exponential progression towards better processors in a phenomenon known as Moore’s law. Electronic computing, however, is running up against fundamental limits that are increasingly harder to circumvent.

  • Novel Polymer Thin Films for Application in Flexible Organic Light-Emitting Diodes

    Wed, Sep 11, 2019, 11:10 am to 12:40 pm

    Abstract

    Organic light-emitting diodes (OLEDs) are films of organic molecules, 100s of nanometer thick, that emit light in response to an electric current. Thanks to their mechanical flexibility, they are fast replacing the traditional rigid devices with flexible ones; they include flexible mobile displays, TV displays, and even flexible lighting panels. Despite commercial success, OLED is still an active area of research. In particular, many scientists are working to develop new materials that lower the cost of production and increase OLED efficiency.

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