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SUMMARY:(SP Wednesday Workshop) Quantum multiplexer based on 1D quantum wi
 res in low-dimensional heterostructures - Mr Ma Pengcheng\, University of 
 Cambridge\, Semiconductor Physics Group
DTSTART:20150701T131500Z
DTEND:20150701T141500Z
UID:TALK59555@talks.cam.ac.uk
CONTACT:Teri Bartlett
DESCRIPTION:It has been proven that\, compared with the silicon-based coun
 terparts\, 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 q
 uantum well heterostructure. The InGaAs material has a large g-factor\, sm
 all effective mass and strong spin-orbit coupling\, and therefore exhibits
  many unique quantum phenomena. We expect to apply the InGaAs-based multip
 lexer to explore spin-orbit interaction related quantum effects\, like to 
 discover the mysterious Majorana fermions.
LOCATION:Mott Seminar Room (Mott Building Room 531)\, Cavendish Laboratory
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