Terahertz wave detection based on low-dimensional electron

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• Dr Yukio Kawano, Associate Professor,Department of Physics, Tokyo Institute of Technology
• Tuesday 29 May 2012, 16:00-17:00
• Pippard Lecture Theatre, Physics, Department of.

If you have a question about this talk, please contact Leona Hope-Coles.

In this talk, Dr Kawano gives the advantageous properties of terahertz (THz) waves – permeability through objects opaque for visible light, the important energy spectrum in the meV range, etc. – which potentially enable various applications of imaging and spectroscopy in this band. However, since the THz region is located between the electronic and photonic bands, even basic components like detector and source have not been fully established, compared to the technically mature other frequency regions. The THz wave also has the problem of low imaging resolution, which results from a much longer wavelength than that of the visible light. He will present a new type of THz sensing and imaging devices based on low-dimensional electron systems, such as carbon nanotube (CNT), graphene, and two-dimensional electron gas (2DEG) in a GaAs/AlGaAs heterostructure. =========== Dr Kawano was awarded the Sir Martin Wood Prize at the Millennium Science Forum which took place at the British Embassy, Tokyo, November 2011. The Millennium Science Forum was established in 1998 to promote scientific exchange between Britain and Japan and recognise the work of outstanding young Japanese researchers. The prize is named after Sir Martin Wood, Founder of Oxford Instruments.

This talk is part of the Young Nanoscientist India Award Winner's Lecture sponsored by Oxford Instruments series.

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