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Colloquium: Jake Taylor, Joint Quantum Institute

Location

Physics : 401

Date & Time

March 11, 2015, 3:30 pm4:30 pm

Description

TITLE: Coupling semiconductor spins: from exchange to photons ABSTRACT: Single electronic or nuclear spins provide the longest lived quantum objects yet observed. Amazingly, such long coherence times can even be preserved for spins trapped in semiconductor materials. However, a natural consequence of long coherence times is the extreme difficulty in getting these spins to entangle with other objects deterministically, a necessary component for any quantum emulator or computing device. In this talk I will discuss efforts towards entangling together distant spins in a variety of architectures, and consider approaches ranging from direct exchange interaction to achieving the strong coupling regime between a semiconductor spin and a microwave photon. Along the way, I will describe immediate applications of these results in emerging quantum technologies, with a key emphasis on improving measurement science beyond the standard quantum limit.