Cooperative frequency upconversion in Yb3+–Tb3+ codoped fluoroindate glass

Cooperative Bistability in Dense, Excited Atomic Systems

Markus P. Hehlen, H. U. Güdel, Q. Z. Shu et al. · Physical Review Letters · 1994 · 160 citations

Quantum Dynamic, Cooperative Bistability, Engineering +19

High-power continuous-wave upconversion fiber laser at room temperature

T. Sandrock, H. Scheife, E. Heumann et al. · Optics Letters · 1997 · 154 citations

Optical Pumping, Photonics, Room Temperature +12

Blue continuously pumped upconversion lasing in Tm:YLiF4

T.J. Hebert, Reinhold Wannemacher, R. M. Macfarlane et al. · Applied Physics Letters · 1992 · 127 citations

Engineering, Laser Science, Laser Physics +20

Laser diode pumped 106 mW blue upconversion fiber laser

Scott T. Sanders, R.G. Waarts, D. Mehuys et al. · Applied Physics Letters · 1995 · 106 citations · Full text

Optical Pumping, Photonics, Engineering +12

Cooperative luminescence as a defining process for RE-ions clustering in glasses and crystals

F. Auzel, D. Meichenin, F. Pellé et al. · Optical Materials · 1994 · 94 citations

Cooperative Luminescence, Engineering, Physics +12