J. Engelmann, F.-J. Schmückle, M. Rudolph
"Large and packaged Transistors"
M. Rudolph, Ch. Fager, D.E. Root (eds.), "Nonlinear Transistor Model Parameter Extraction Techniques", Cambridge: Cambridge University Press, ISBN-13: 978-0521762106, pp. 171-205 (2012).

X. Wang, G. Erbert, H. Wenzel, B. Eppich, P. Crump, A. Ginolas, J. Fricke, F. Bugge, M. Spreemann and G. Tränkle
"High-power, spectrally stabilized, near-diffraction-limited 970 nm laser light source based on truncated-tapered semiconductor optical amplifiers with low confinement factors"
Semicond. Sci. Technol., vol. 27, no. 015010 (2012).

T. Wernicke, L. Schade, C. Netzel, J. Rass, V. Hoffmann, S. Ploch, A. Knauer, M. Weyers, U. Schwarz and M. Kneissl
"Indium incorporation and emission wavelength of polar, nonpolar and semipolar InGaN quantum wells"
Semicond. Sci. Technol., vol. 27, no. 024014 (2012).

B. Sumpf, A. Klehr, G. Erbert, G. Tränkle
"Application of 940 nm high-power DFB lasers for line-broadening measurements at normal pressure using a robust and compact setup"
Appl. Phys. B, vol. 106, no. 2, pp. 357-364 (2012).

B. Sumpf, M. Maiwald, A. Müller, A. Ginolas, K. Häusler, G. Erbert, and G. Tränkle
"Reliable Operation for 14 500 h of a Wavelength-Stabilized Diode Laser System on a Microoptical Bench at 671 nm"
IEEE Trans. Compon. Packag. Technol., vol. 2, no. 1, pp. 116-121 (2012).

S. Pekarek, A. Klenner, T. Südmeyer, C. Fiebig, K. Paschke, G. Erbert, and U. Keller
"Femtosecond diode-pumped solid-state laser with a repetition rate of 4.8 GHz"
Opt. Express, vol. 20, no. 4, pp. 4248-4253 (2012).

P. Crump, S. Böldicke, C.M. Schultz, H. Ekhteraei, H. Wenzel and G. Erbert
"Experimental and theoretical analysis of the dominant lateral waveguiding mechanism in 975 nm high power broad area diode lasers"
Semicond. Sci. Technol., vol. 27, no. 045001 (2012).

A. Pietrzak, H. Wenzel, P. Crump, F. Bugge, J. Fricke, M. Spreemann, G. Erbert, and G. Tränkle
"1060 nm ridge waveguide lasers based on extremely wide waveguides for 1.3 W continuous-wave emission into a single mode with FWHM divergence angle of 9° × 6°"
IEEE J. Quantum Electron., vol. 48, no. 5, pp. 568-575 (2012).

P. Crump, S. Hengesbach, U. Witte, H.D. Hoffmann, G. Erbert, G. Tränkle
"High Power Diode Lasers Optimized for Low Loss Smile-insensitive External Spectral Stabilization"
IEEE Photonics Technol. Lett., vol. 24, no. 8, pp. 703-705 (2012).

E. Bahat-Treidel, O. Hilt, R. Zhytnytska, A. Wentzel, C. Meliani, J. Würfl, and G. Tränkle
"Fast-Switching GaN-Based Lateral Power Schottky Barrier Diodes With Low Onset Voltage and Strong Reverse Blocking"
IEEE Electron Device Lett., vol. 33, no. 3, pp. 357-359 (2012).

L. Redaelli, M. Martens, J. Piprek, H. Wenzel, C. Netzel, A. Linke, Y.V. Flores, S. Einfeldt, M. Kneissl and G. Tränkle
"Effect of ridge waveguide etch depth on laser threshold of InGaN MQW laser diodes"
Proc. SPIE, vol. 8262, no. 826219 (2012).

L. Schade, U.T. Schwarz, T. Wernicke, J. Rass, S. Ploch, M. Weyers, M. Kneissl
"Auger effect in nonpolar quantum wells"
Proc. SPIE, vol. 8262, no. 82620K (2012).

J. Rass, T. Wernicke, S. Ploch, M. Brendel, A. Kruse, A. Hangleiter, W. Scheibenzuber, U.T. Schwarz, M. Weyers, M. Kneissl
"Polarization of eigenmodes and the effect on the anisotropic gain in laser structures on nonpolar and semipolar GaN"
Proc. SPIE, vol. 8262, no. 826218 (2012).

M. Chi, O.B. Jensen, G. Erbert, B. Sumpf and P.M. Petersen
"Red Tunable High-Power Narrow-Spectrum External-Cavity Diode Laser Based on Tapered Amplifier"
Selected Topics on Optical Amplifiers in Present Scenario, Dr. Sisir Garai (Ed.), InTech, ISBN-13: 978-953-51-0391-2, pp. 107-124 (2012).

D. Al-Mozani, A. Wentzel, C. Meliani, and W. Heinrich
"A 900 MHz Voltage-Mode Class-S Power Amplifier"
7th German Microwave Conference (GeMiC 2012), Ilmenau, Germany, Mar. 12-14, paper 1470 (2012).

T. Al-Sawaf, C. Meliani, W. Heinrich, and T. Krämer
"W-Band Amplifier with 8 dB Gain Based on InPHBT Transferred-Substrate Technology"
7th German Microwave Conference (GeMiC 2012), Ilmenau, Germany, Mar. 12-14, paper 1474 (2012).

R. Perea-Tamayo, O. Bengtsson, P.N. Landin, and W. Heinrich
"A Modular Hybrid Switching Amplifier for Wide-Bandwidth Supply-Modulated RF Power Amplifiers"
7th German Microwave Conference (GeMiC 2012), Ilmenau, Germany, Mar. 12-14, paper 1510 (2012).

F. Schnieder, F.-J. Schmückle, W. Heinrich, M. Rudolph
"An Analysis of Source Connections in GaN Power Transistor Packages"
7th German Microwave Conference (GeMiC 2012), Ilmenau, Germany, Mar. 12-14, paper 1533 (2012).

M. Hossain, A. Kravets, U. Pursche, C. Meliani, W. Heinrich
"A Low Voltage 24 GHz VCO in 130nm CMOS For Localisation Purposes in Sensor Networks"
7th German Microwave Conference (GeMiC 2012), Ilmenau, Germany, Mar. 12-14, paper 1556 (2012).

E. Ersoy, C. Meliani, S. Chevtchenko, P. Kurpas, M. Matalla, and W. Heinrich
"A High-Gain X-Band GaN-MMIC Power Amplifier"
7th German Microwave Conference (GeMiC 2012), Ilmenau, Germany, Mar. 12-14, paper 1561 (2012).

G.N. Phung, R. Doerner, F.-J. Schmückle and W. Heinrich
"On Parasitic Coupling in CPW Structures"
7th German Microwave Conference (GeMiC 2012), Ilmenau, Germany, Mar. 12-14, paper 1564 (2012).

A. Raemer, O. Bengtsson, and W. Heinrich
"Software Optimization of a Supply Modulated GaN-Amplifier for Baseband Access ET Systems"
7th German Microwave Conference (GeMiC 2012), Ilmenau, Germany, Mar. 12-14, paper 1570 (2012).

J. Fricke, W. John, A. Klehr, P. Ressel, L. Weixelbaum, H. Wenzel and G. Erbert
"Properties and fabrication of high-order Bragg gratings for wavelength stabilization of diode lasers"
Semicond. Sci. Technol., vol. 27, no. 055009 (2012).

V.Z. Tronciu, S. Schwertfeger, M. Radziunas, A. Klehr, U. Bandelow, H. Wenzel
"Numerical simulation of the amplification of picosecond laser pulses in tapered semiconductor amplifiers and comparison with experimental results"
Opt. Commun., vol. 285, no. 12, pp. 2897-2904 (2012).

D. Feise, W. John, F. Bugge, G. Blume, T. Hassoun, J. Fricke, K. Paschke, and G. Erbert
"96 mW longitudinal single mode red-emitting distributed Bragg reflector ridge waveguide laser with tenth order surface gratings"
Opt. Lett., vol. 37, no 9, pp. 1532-1534 (2012).