01 Jul '13, 4am

MIT Researchers Create Terahertz Graphene Chips

PORTLAND, Ore. – Massachusetts Institute of Technology (MIT) researchers have sandwiched high-mobility graphene sheets between two ferroelectric materials, resulting in terahertz (THz) frequency operation that can directly operate on optical signals. MIT predicts that the new material stack will lead to memories that are 10-times denser than today and to electrical devices that can directly operate on optical signals. "Our work opens up exciting new areas for transmitting and processing optical signals," said post-doctoral researcher Dafei Jin in a press statement . Jin is working with professors Nicholas Fang and Jun Xu, along with doctoral candidates Anshuman Kumar Srivastava and former post-doc researcher Kin-Hung Fung (now at Hong Kong Polytechnic University). The researchers were inspired by ferroelectric-gated memories and transistors, to which they added the graphen...

Full article: http://www.eetimes.com/document.asp?doc_id=1318751&itc=ee...

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