F. Auzel, 1973, Proc. IEEE, 61, 758, 10.1109/PROC.1973.9155
J. C. Wright, 1976, Top. Appl. Phys., 15, 239, 10.1007/BFb0111143
M. Malinowski, 1990, Phys. Rev. B, 41, 31, 10.1103/PhysRevB.41.31
N. J. Cockroft, 1992, Phys. Rev. B, 45, 5187, 10.1103/PhysRevB.45.5187
A. Gharavi, 1992, Chem. Phys. Lett., 200, 279, 10.1016/0009-2614(92)80011-Y
A. T. Stanley, 1993, J. Non-Cryst. Solids, 161, 235, 10.1016/0022-3093(93)90707-5
M. Mujaji, 1993, Phys. Rev. B, 48, 710, 10.1103/PhysRevB.48.710
M. P. Hehlen, 1994, Phys. Rev. B, 49, 12, 10.1103/PhysRevB.49.12475
M. P. Hehlen, 1994, Phys. Rev. B, 50, 16, 10.1103/PhysRevB.50.16264
T. Riedener, 1995, J. Lumin., 63, 327, 10.1016/0022-2313(94)00065-K
M. Wermuth, 1997, Chem. Phys. Lett., 281, 81, 10.1016/S0009-2614(97)01188-3
M. P. Hehlen, 1997, Opt. Lett., 22, 772, 10.1364/OL.22.000772
P. Müller, 1998, Chem. Phys. Lett., 290, 105, 10.1016/S0009-2614(98)00511-9
M. Wermuth, 1998, Phys. Rev. B, 57, 4369, 10.1103/PhysRevB.57.4369
L. F. Johnson, 1972, Appl. Phys. Lett., 20, 474, 10.1063/1.1654022
A. J. Silversmith, 1987, Appl. Phys. Lett., 51, 1977, 10.1063/1.98316
R. M. Macfarlane, 1988, Appl. Phys. Lett., 52, 1300, 10.1063/1.99681
T. J. Whitley, 1991, Electron. Lett., 27, 1785, 10.1049/el:19911110
R. R. Stephens, 1993, Opt. Lett., 18, 34, 10.1364/OL.18.000034
R. Brede, 1993, Appl. Phys. Lett., 63, 729, 10.1063/1.109942
R. J. Thrash, 1994, J. Opt. Soc. Am. B, 11, 881, 10.1364/JOSAB.11.000881
P. W. Binun, 1996, Opt. Lett., 21, 1915, 10.1364/OL.21.001915
T. Sandrock, 1997, Opt. Lett., 22, 808, 10.1364/OL.22.000808
R. Paschotta, 1997, J. Opt. Soc. Am. B, 14, 1213, 10.1364/JOSAB.14.001213
P. E.-A. Möbert, 1998, Laser Phys., 8, 214
R. I. Laming, 1988, Opt. Lett., 13, 1084, 10.1364/OL.13.001084
L. B. Shaw, 1994, Phys. Rev. B, 50, 6609, 10.1103/PhysRevB.50.6609
S. A. Payne, 1994, Opt. Commun., 111, 263, 10.1016/0030-4018(94)90463-4
Y. Guyot, 1995, Phys. Rev. B, 51, 784, 10.1103/PhysRevB.51.784
T. Chuang, 1996, IEEE J. Quantum Electron., 32, 79, 10.1109/3.481923
S. Guy, 1998, IEEE J. Quantum Electron., 34, 900, 10.1109/3.668778
G. Rustad, 1996, IEEE J. Quantum Electron., 32, 1645, 10.1109/3.535370
M. Pollnau, 1997, IEEE J. Quantum Electron., 33, 1982, 10.1109/3.641313
M. Pollnau, 1998, Phys. Rev. B, 58, 16, 10.1103/PhysRevB.58.16076
S. Singh, 1966, Phys. Rev. Lett., 17, 865, 10.1103/PhysRevLett.17.865
M. Pollnau, 1994, Phys. Rev. A, 49, 3990, 10.1103/PhysRevA.49.3990
S. Guy, 1993, Phys. Rev. B, 47, 11
M. Pollnau, 1998, Opt. Commun., 147, 203, 10.1016/S0030-4018(97)00524-5
S. Guy, 1997, Phys. Rev. B, 55, 8240, 10.1103/PhysRevB.55.8240
D. L. Dexter, 1953, J. Chem. Phys., 21, 836, 10.1063/1.1699044
S. O. Vasquez, 1995, Chem. Phys. Lett., 238, 378, 10.1016/0009-2614(95)00398-N
R. S. Quimby, 1994, J. Appl. Phys., 76, 4472, 10.1063/1.357278
G. L. McPherson, 1979, Inorg. Chem., 18, 2189, 10.1021/ic50198a028
S. R. Lüthi, 1999, Phys. Rev. B, 60, 162, 10.1103/PhysRevB.60.162
T. Riedener, 1997, Phys. Rev. B, 56, 1800, 10.1103/PhysRevB.56.1800
D. R. Gamelin, 1998, J. Am. Chem. Soc., 120, 12, 10.1021/ja971047w
D. R. Gamelin, 1999, Inorg. Chem., 38, 5154, 10.1021/ic990556r
