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Thursday, September 06, 2012
12:30 PM - 2:00 PM
T-DO Conference Room Bldg 123, Room 121

Quantum Lunch

Can graphene detect single microwave photon?

Kin Chung Fong
California Institute of Technology

Graphene is a material with remarkable electronic properties. However the electronic thermodynamic properties of this two-dimensional Dirac Fermions are less explored. I will discuss our specific heat capacity, Wiedemann-Franz, and electron-phonon thermal conductance using Johnson noise thermometry developed for graphene [1]. These measurements suggest that graphene-based devices can generate substantial advances in the areas of ultra-sensitive bolometry, calorimetry, microwave, and terahertz single photo-detection for applications in areas such as observational astronomy, quantum information and measurement. [1] K.C. Fong and K.C. Schwab, Phys. Rev. X 2, 031006 (2012)

Host: Dima Mozyrsky,