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SUMMARY:ESE Spring Seminar - "Surpassing Fundamental Limits through Time Varying Electromagnetics"
DESCRIPTION:Surpassing the fundamental limits that govern all electromagnetic structures\, such as reciprocity and the delay-bandwidth-size limit\, will have a transformative impact on all applications based on electromagnetic circuits and systems. For instance\, violating principles of reciprocity enables non-reciprocal components such as isolators and circulators\, which find application in full-duplex wireless radios\, radar\, bio-medical imaging\, and quantum computing systems. Overcoming the delay-bandwidth-size limit enables ultra-broadband yet extremely-compact devices whose size is not fundamentally related to the wavelength at the operating frequency. \nThe focus of my talk will be on using time-variance as a new toolbox to overcome these fundamental limits and re-imagine circuit design. Specifically\, I will focus on CMOS-integrated time-varying circuits and systems that have enabled: (i) integrated non-reciprocal components operating across frequencies ranging from RF to millimeter waves with multi-watt power handling\, (ii) reconfigurable microwave passive components with 100-1000× form-factor reduction\, (iii) integrated full-duplex wireless radios with wideband self-interference cancellation\, and (iv) the first non-reciprocal Floquet electromagnetic topological insulator with an ultra-wide bandgap. Our prototypes achieve the stringent performance envelopes that are required by practical wireless applications\, thus bringing the fields of integrated non-reciprocity and synthetic topological insulators to real-world applications. \nI will also briefly cover my future research plans on harmonic-tuned\, higher-order N-path filters and cross-disciplinary collaborative research on using time-varying circuits and CMOS based ICs in cryogenic quantum computing applications.
URL:https://seasevents.nmsdev7.com/event/ese-spring-seminar-surpassing-fundamental-limits-through-time-varying-electromagnetics/
LOCATION:Raisler Lounge (Room 225)\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar,Colloquium
ORGANIZER;CN="Electrical and Systems Engineering":MAILTO:eseevents@seas.upenn.edu
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