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Pavlov, S.G. (author), Böttger, U. (author), Hovenier, J.N. (author), Abrosimov, N.V. (author), Riemann, H. (author), Zhukavin, R.K. (author), Shastin, V.N. (author), Redlich, B. (author), Van der Meer, A.F.G. (author), Hübers, H.W. (author)
Stimulated Raman emission in the terahertz frequency range (4.8–5.1 THz and 5.9–6.5 THz) has been realized by optical excitation of arsenic donor centers in silicon at low temperatures. The Stokes shift of the observed laser emission is 5.42 THz which is equal to the Raman-active donor electronic transition between the ground 1s(A1) and the...
journal article 2009