EVIDENCE FOR NONLINEAR GENERATION OF VUV LIGHT BY FOUR-WAVE PARAMETRIC OSCILLATION (FWPO) IN H2-CONTA!NING CLOUDS NEAR B-TYPE SUPERGIANTSP.P. SorokinJ.H. Glownia1997QELS 1997
Measurement of photon echoes at 1.5 μm in Er3+:Y2SiO5 using a diode laser and amplifierR.M. MacfarlaneT.L. Harriset al.1997QELS 1997