R.T. Hodgson, V.R. Deline, et al.
Applied Physics Letters
Stimulated emission has been observed in the P -branch lines of the 3-10, 4-11, 5-12, 6-13, and 7-13 Lyman bands (v′ -v′′, BI.
R.T. Hodgson, V.R. Deline, et al.
Applied Physics Letters
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Journal of Applied Physics
R.T. Hodgson, P.P. Sorokin, et al.
Physical Review Letters
J. Woodall, Alan C. Warren, et al.
IEEE T-ED