Efficiency enhancement of emission of terahertz radiation by optical excitation from dual grating gate HEMT

1. Meziani, Y.M.
2. Nishimura, T.
3. Handa, H.
4. Tsuda, H.
5. Suemitsu, T.
6. Knap, W.
7. Otsuji, T.
8. Sano, E.
9. Tsymbalov, G.M.
10. Popov, V.V.