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Wednesday 01 July 2015, 14:15-15:15
(SP Wednesday Workshop) Quantum multiplexer based on 1D quantum wires in low-dimensional heterostructures
- đ¤ Speaker: Mr Ma Pengcheng, University of Cambridge, Semiconductor Physics Group
- đ Date & Time: Wednesday 01 July 2015, 14:15 - 15:15
- đ Venue: Mott Seminar Room (Mott Building Room 531), Cavendish Laboratory
Abstract
It has been proven that, compared with the silicon-based counterparts, devices fabricated using III -V semiconductor materials manifest higher performance in some electronic characteristics. We first design a multiplexer on a GaAs/AlGaAs HEMT . Quantum multiplexer exhibits potential for doing a statistical research on quantum physics with large numbers of on-chip devices. We plan to fabricate the multiplexer based on an InGaAs quantum well heterostructure. The InGaAs material has a large g-factor, small effective mass and strong spin-orbit coupling, and therefore exhibits many unique quantum phenomena. We expect to apply the InGaAs-based multiplexer to explore spin-orbit interaction related quantum effects, like to discover the mysterious Majorana fermions.
Series This talk is part of the Semiconductor Physics Group Seminars series.
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