T. J. Wang, Z. H. Kang, H. Z. Zhang, Z. S. Feng, Y. Jiang, J. Y. Gao, Y. M. Andreev, G. V. Lanskii, and A. V. Shaiduko, "Model and experimental investigation of frequency conversion in AgGaGe_{x}S_{2}(1+*x*) (x = 0, 1) crystals," J. Phys. D 40, 1357-1362 (2007).

[CrossRef]

P. G. Schunemann, K. T. Zawilski, and T. M. Pollak, "Horizontal gradient freeze growth of AgGaGeS_{4} and AgGaGe_{5}Se_{12}," J. Cryst. Growth 287, 248-251 (2006).

[CrossRef]

S. Das, C. Ghosh, S. Gangopadhyay, Y. M. Andreev, and V. V. Badikov, "AgGaGeS4 crystals for nonlinear laser device applications," Jpn. J. Appl. Phys. 45, 5795-5797 (2006).

[CrossRef]

V. Badikov, G. Shevyrdyaeva, V. Chizhikov, V. Panyutin, G. Xu, V. Petrov, and F. Noack, "Phase-matched second-harmonic generation at 1064 nm in quaternary crystals of silver thiogermanogallate," Appl. Phys. Lett. 87, 2411131 (2005).

[CrossRef]

D. M. Ren, J. Z. Huang, Y. C. Qu, X. Y. Hu, Y. Andreev, P. Geiko, V. Badikov, and A. Shaiduko, "Optical properties and frequency conversion with AgGaGeS_{4} crystal," Chin. Phys. 13, 1468-1473 (2004). The values of lattice constants a and c given in this reference should be interchanged. The form of Sellmeier equations used in this reference should be corrected to *n*^{2} = A + B/(C − λ^{2}) + D/(E − λ^{2}).

[CrossRef]

V. Petrov, V. Badikov, G. Shevyrdyaeva, V. Panyutin, and V. Chizhikov, "Phase-matching properties and optical parametric amplification in single crystals of AgGaGeS_{4}," Opt. Mater. 26, 217-222 (2004). The cut angle of sample-1 newly measured by Sumitomo Metal Mining Company using an x-ray diffraction meter is 2° different from that presented in this reference.

[CrossRef]

M. V. Kabanov, Y. M. Andreev, V. V. Badikov, and P. P. Geiko, "Parametric frequency converters based on new nonlinear crystals," Russ. Phys. J. 46, 835-846 (2003). The values of lattice constants a and c, and Sellmeier coefficients N*x* and N*y* given in this reference, should be interchanged. The form of Sellmeier equations used in this reference should be corrected to n^{2} = A + B/(C − λ^{2}) + D/(E − λ^{2}).

[CrossRef]

Y. M. Andreev, P. P. Geiko, V. V. Badikov, G. C. Bhar, S. Das, and A. K. Chaudhury, "Nonlinear optical properties of defect tetrahedral crystals HgGa_{2}S_{4} and AgGaGeS_{4} and mixed chalcopyrite crystal Cd_{(0.4)}Hg_{(0.6)}Ga_{2}S_{4}," Nonlinear Opt. 29, 19-27 (2002). The form of Sellmeier equations used in this reference should be corrected to *n*^{2} = A + B/(λ^{2} − C) − Dλ^{2}.

[CrossRef]

N. Saito, S. Wada, and H. Tashiro, "Dual-wavelength oscillation in an electronically tuned Ti:sapphire laser," J. Opt. Soc. Am. B 18, 1288-1296 (2001).

[CrossRef]

Y. M. Andreev, V. V. Badikov, V. G. Voevodin, L. G. Geiko, P. P. Geiko, M. V. Ivashchenko, A. I. Karapuzikov, and I. V. Sherstov, "Radiation resistance of nonlinear crystals at a wavelength of 9.55 μm," Quantum Electron. 31, 1075-1078 (2001).

[CrossRef]

V. V. Badikov, A. G. Tyulyupa, G. S. Shevyrdyaeva, and S. G. Sheina, "Solid solutions in the AgGaS_{2}-GeS_{2} and AgGaSe_{2}-GeSe_{2} systems," Inorg. Mater. 27, 177-180 (1991).

V. Badikov, G. Shevyrdyaeva, V. Chizhikov, V. Panyutin, G. Xu, V. Petrov, and F. Noack, "Phase-matched second-harmonic generation at 1064 nm in quaternary crystals of silver thiogermanogallate," Appl. Phys. Lett. 87, 2411131 (2005).

[CrossRef]

D. M. Ren, J. Z. Huang, Y. C. Qu, X. Y. Hu, Y. Andreev, P. Geiko, V. Badikov, and A. Shaiduko, "Optical properties and frequency conversion with AgGaGeS_{4} crystal," Chin. Phys. 13, 1468-1473 (2004). The values of lattice constants a and c given in this reference should be interchanged. The form of Sellmeier equations used in this reference should be corrected to *n*^{2} = A + B/(C − λ^{2}) + D/(E − λ^{2}).

[CrossRef]

V. V. Badikov, A. G. Tyulyupa, G. S. Shevyrdyaeva, and S. G. Sheina, "Solid solutions in the AgGaS_{2}-GeS_{2} and AgGaSe_{2}-GeSe_{2} systems," Inorg. Mater. 27, 177-180 (1991).

P. G. Schunemann, K. T. Zawilski, and T. M. Pollak, "Horizontal gradient freeze growth of AgGaGeS_{4} and AgGaGe_{5}Se_{12}," J. Cryst. Growth 287, 248-251 (2006).

[CrossRef]

T. J. Wang, Z. H. Kang, H. Z. Zhang, Z. S. Feng, Y. Jiang, J. Y. Gao, Y. M. Andreev, G. V. Lanskii, and A. V. Shaiduko, "Model and experimental investigation of frequency conversion in AgGaGe_{x}S_{2}(1+*x*) (x = 0, 1) crystals," J. Phys. D 40, 1357-1362 (2007).

[CrossRef]

S. Das, C. Ghosh, S. Gangopadhyay, Y. M. Andreev, and V. V. Badikov, "AgGaGeS4 crystals for nonlinear laser device applications," Jpn. J. Appl. Phys. 45, 5795-5797 (2006).

[CrossRef]

Y. M. Andreev, P. P. Geiko, V. V. Badikov, G. C. Bhar, S. Das, and A. K. Chaudhury, "Nonlinear optical properties of defect tetrahedral crystals HgGa_{2}S_{4} and AgGaGeS_{4} and mixed chalcopyrite crystal Cd_{(0.4)}Hg_{(0.6)}Ga_{2}S_{4}," Nonlinear Opt. 29, 19-27 (2002). The form of Sellmeier equations used in this reference should be corrected to *n*^{2} = A + B/(λ^{2} − C) − Dλ^{2}.

[CrossRef]

V. Petrov, V. Badikov, G. Shevyrdyaeva, V. Panyutin, and V. Chizhikov, "Phase-matching properties and optical parametric amplification in single crystals of AgGaGeS_{4}," Opt. Mater. 26, 217-222 (2004). The cut angle of sample-1 newly measured by Sumitomo Metal Mining Company using an x-ray diffraction meter is 2° different from that presented in this reference.

[CrossRef]

Y. M. Andreev, V. V. Badikov, V. G. Voevodin, L. G. Geiko, P. P. Geiko, M. V. Ivashchenko, A. I. Karapuzikov, and I. V. Sherstov, "Radiation resistance of nonlinear crystals at a wavelength of 9.55 μm," Quantum Electron. 31, 1075-1078 (2001).

[CrossRef]

M. V. Kabanov, Y. M. Andreev, V. V. Badikov, and P. P. Geiko, "Parametric frequency converters based on new nonlinear crystals," Russ. Phys. J. 46, 835-846 (2003). The values of lattice constants a and c, and Sellmeier coefficients N*x* and N*y* given in this reference, should be interchanged. The form of Sellmeier equations used in this reference should be corrected to n^{2} = A + B/(C − λ^{2}) + D/(E − λ^{2}).

[CrossRef]

V. Petrov, V. Badikov, and V. Panyutin, "Quaternary nonlinear optical crystals for the mid-infrared spectral range from 5 to 12 micron," in *Mid-Infrared Coherent Sources and Applications, NATO Science Book Series* (Springer, in press).