Imaging the coupling of terahertz radiation to a high electron mobility transistor in the near-field
M. Ortolani, A. Di Gaspare, E. Giovine, F. Evangelisti, V. Foglietti, A. Doria, G. P. Gallerano, E. Giovenale, G. Messina, I. Spassovsky, C. Lanzieri, M. Peroni and A. Cetronio
