Chaining Atoms Together Yields Quantum Storage
02-17-22
Engineers at Caltech have developed an approach for quantum storage that could help pave the way for the development of large-scale optical quantum networks. "The ability to build a technology reproducibly and reliably is key to its success," says graduate student Andrei Ruskuc. "In the scientific context, this let us gain unprecedented insight into microscopic interactions between ytterbium qubits and the vanadium atoms in their environment." The new system relies on nuclear spins—the angular momentum of an atom's nucleus—oscillating collectively as a spin wave. This collective oscillation effectively chains up several atoms to store information. "Based on our previous work, single ytterbium ions were known to be excellent candidates for optical quantum networks, but we needed to link them with additional atoms. We demonstrate that in this work," says Andrei Faraon, Professor of Applied Physics and Electrical Engineering. [Read the paper] [Caltech story]
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Andrei Faraon
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New Graduate Track to Combine Study of Medical and Electrical Engineering
02-04-22
In an effort to create more opportunities for students, increase interdisciplinary research, and gain visibility for a first-of-its kind program, Caltech is creating a new graduate education track that combines medical engineering and electrical engineering. Students entering the joint track will be eligible to earn a single PhD in electrical and medical engineering, and would perform research in each field and, ideally, in a combination of the two fields. "All my students from both departments have a strong interest in this joint track," says Lihong Wang, Bren Professor of Medical Engineering and Electrical Engineering. "This will be good for them because it will broaden their horizons by exposing them to both fields. This will also allow MedE to recruit students from the EE track, and EE will be able to recruit from MedE." [Caltech story]
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Azita Emami
Lihong Wang
Joint Medical and Electrical Engineering Track at Caltech
11-12-21
It is with excitement that the Andrew and Peggy Cherng Department of Medical Engineering and the Department of Electrical Engineering at Caltech announce the establishment of a joint track to both departments as of Fall 2022. The track is named Medical and Electrical Engineering. Specifically, the degree requirements include (1) taking 21 units of required Medical Engineering courses, in addition to the 135 units of courses required for Electrical Engineering Ph.D. students, (2) passing the qualifying and candidacy exams of the home department, and (3) completing a dissertation related to both options. The dissertation committee must be composed of 2 members from each option. The single degree to be shown on the diploma is “Ph.D. in Medical and Electrical Engineering”. This track is available to both existing students to graduate after Fall 2022 and new students to be admitted.
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Nano-Architected Material Resists Impact Better Than Kevlar
06-25-21
Julia R. Greer, Ruben F. and Donna Mettler Professor of Materials Science, Mechanics and Medical Engineering; Fletcher Jones Foundation Director of the Kavli Nanoscience Institute, has developed a nano-architected material made from tiny carbon struts that is, pound for pound, more effective at stopping a projectile than Kevlar, a material commonly used in personal protective gear. "The knowledge from this work could provide design principles for ultra-lightweight impact resistant materials for use in efficient armor materials, protective coatings, and blast-resistant shields desirable in defense and space applications," says Greer. [Caltech story]
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