T. Shivan, M. Hossain, R. Doerner, T.K. Johansen, H. Yacoub, S. Boppel, W. Heinrich, and V. Krozer

Performance Analysis of a Low-Noise, Highly Linear Distributed Amplifier in 500-nm InP/InGaAs DHBT Technology

IEEE Trans. Microwave Theory Tech., vol. 67, no. 12, pp. 5139-5147 (2019).

K. Sowoidnich, M. Towrie, M. Maiwald, B. Sumpf, and P. Matousek

Shifted Excitation Raman Difference Spectroscopy with Charge-Shifting Charge-Coupled Device (CCD) Lock-In Detection

Appl. Spectrosc., vol. 73, no. 11, pp. 1265-1276 (2019).

M. Kockert, D. Kojda, R. Mitdank, A. Mogilatenko, Z. Wang, J. Ruhhammer, M. Kroener, P. Woias and S.F. Fischer

Nanometrology: Absolute Seebeck coefficient of individual silver nanowires

Sci. Rep., vol. 9, no. 20265, DOI: 10.1038/s41598-019-56602-9 (2019).

H. Wenzel, A. Klehr, A. Liero, H. Christopher, J. Fricke, A. Maaßdorf, A. Zeghuzi, and A. Knigge

High pulse power wavelength stabilized 905 nm laser bars for automotive LiDAR

IEEE High Power Diode Lasers and Systems Conference (HPD 2019), Coventry, UK, Oct. 9-10, pp. 7-8, ISBN: 978-1-7281-3097-2 (2019).

P. Albrodt, M. Niemeyer, P. Crump, J. Hamperl, F. Moron, P. Georges, and G. Luca-Leclin

Coherent beam combining of tapered amplifiers unde QCW regime

IEEE High Power Diode Lasers and Systems Conference (HPD 2019), Coventry, UK, Oct. 9-10, pp. 23-24, ISBN: 978-1-7281-3097-2 (2019).

A. Zeghuzi, H.-J. Wünsche, H. Wenzel, J.P. Koester, M. Radziunas, U. Bandelow, and A. Knigge

Traveling-wave simulations of broad-area lasers

IEEE High Power Diode Lasers and Systems Conference (HPD 2019), Coventry, UK, Oct. 9-10, pp. 29-30, ISBN: 978-1-7281-3097-2 (2019).

J. Rieprich, G. Blume, A. Ginolas, S. Arslan, R. Kernke, J.W. Tomm, K. Paschke and P. Crump

Thermal boundary resistance between GaAs and p-side metal as limit to high power diode lasers

IEEE High Power Diode Lasers and Systems Conference (HPD 2019), Coventry, UK, Oct. 9-10, pp. 35-36, ISBN: 978-1-7281-3097-2 (2019).

S. Arslan, G. Erbert, A. Boni, M. Wilkens, A. Maaßdorf, J. Fricke, A. Ginolas and P. Crump

Approaches for higher power in GaAs-based broad area diode lasers

IEEE High Power Diode Lasers and Systems Conference (HPD 2019), Coventry, UK, Oct. 9-10, pp. 51-52, ISBN: 978-1-7281-3097-2 (2019).

S.G. Zadeh, T. Flisgen, R. Calaga and U. van Rienen

HOM damping options for the Z-Pole operatingscenario of FCC-ee

J. Phys. Conf. Ser., vol. 21350, no. 1, 012007, DOI: 10.1088/1742-6596/1350/1/012007 (2019).

C. Stölmacker, N. Lobo Ploch, A. Thies, S. Hochheim, J. Rass, F. Schnieder,

A. Mogilatenko, J. Ruschel, T. Kolbe, S. Knigge, and S. Einfeldt

Electroplated Gold Microstuds for Thermocompression Bonding of UV LED Chips

IEEE Trans.Compon.Packag.Manuf.Technol., vol. 9, no. 12, pp. 2326-2331 (2019).

M. Hübner, B. Eppich, A. Maaßdorf, D. Martin, A. Ginolas, P.S. Basler, M. Niemeyer and P. Crump

High Duty Cycle, High Repetition Rate High Brightness Diode Laser Pulsed-Pump-Sources

Advanced Solid State Lasers Conference (ASSL 2019), Vienna, Austria, Sep. 29 - Oct. 3, ISBN: 978-1-943580-68-2, paper JW2A.29 (2019).

O. Hilt, E. Bahat Treidel, M. Wolf, C. Kuring, K. Tetzner, H. Yazdani, A. Wentzel, J. Würfl

Lateral and vertical power transistors in GaN and Ga₂O₃

IET Power Electron., vol. 12, no. 15, pp. 3919-3927 (2019).

C. Kuring, N. Wieczorek, O. Hilt, M. Wolf, J. Böcker, J. Würfl, S. Dieckerhoff

Impact of Substrate Termination on Dynamic On-State Characteristics of a Normally-off Monolithically Integrated Bidirectional GaN HEMT

IEEE Energy Conversion Congress and Exposition (ECCE 2019), Baltimore, USA, Sep. 29 - Oct. 3, pp. 824-831, ISBN: 978-1-7281-0395-2 (2019).

M. Christ, A. Kassner, R. Smol, A. Bawamia, H. Heine, W. Herr, A. Peters, M.C. Wurz, E.M. Rasel, A. Wicht, M. Krutzik

Integrated atomic quantum technologies in demanding environments: development and qualification of miniaturized optical setups and integration technologies for UHV and space operation

CEAS Space J., vol. 11, no. 4, pp. 561-566 (2019).

T. Hoffmann, A. Wentzel, F. Hühn, and W. Heinrich

GaN Digital Outphasing PA

49th European Microwave Conference (EuMC 2019), Paris, France, Oct. 1-3, pp. 551-554 (2019).

S. Paul, G.N. Phung, W. Heinrich, O. Bengtsson

Packaged Floating-Ground RF Power GaN-HEMT

49th European Microwave Conference (EuMC 2019), Paris, France, Oct. 1-3, pp. 702-705 (2019).

E. Kaule, C. Andrei, S. Gerlich, R. Doerner, M. Rudolph

Limiting the Output Power of Rugged GaN LNAs

49th European Microwave Conference (EuMC 2019), Paris, France, Oct. 1-3, pp. 794-796 (2019).

M. Hossain, N. Weimann, M. Brahem, O. Ostinelli, C.R. Bolognesi, W. Heinrich and V. Krozer

A 0.5 THz Signal Source with -11 dBm Peak Output Power Based on InP DHBT

49th European Microwave Conference (EuMC 2019), Paris, France, Oct. 1-3, pp. 856-859 (2019).

O. Bengtsson, S. Paul, W. Heinrich

A GaN-HEMT with Floating LF Ground for Reverse Operation in Integrated RF Power Circuits

14th European Microwave Integrated Circuits Conference (EuMIC 2019), Paris, France, Sep. 30 - Oct. 1, pp. 53-56 (2019).

T.K. Johansen, M. Hossain, S. Boppel, R. Doerner, V. Krozer, W. Heinrich

A 300 GHz Active Frequency Tripler in Transferred-Substrate InP DHBT Technology

14th European Microwave Integrated Circuits Conference (EuMIC 2019), Paris, France, Sep. 30 - Oct. 1, pp. 180-183 (2019).

M. Hossain, S. Boppel, W. Heinrich and V. Krozer

Efficient active multiplier-based signal source for >300 GHz system applications

Electron. Lett., vol. 55, no. 23, pp. 1220-1221 (2019).

C. Trager-Cowan, A. Alasmari, W. Avis, J. Bruckbauer, P.R. Edwards, B. Hourahine, S. Kraeusel, G. Kusch, R. Johnston, G. Naresh-Kumar, R.W. Martin, M. Nouf-Allehiani, E. Pascal, L. Spasevski, D. Thomson, S. Vespucci, P.J. Parbrook, M.D. Smith, J. Enslin, F. Mehnke, M. Kneissl, C. Kuhn, T. Wernicke, S. Hagedorn, A. Knauer, V. Kueller, S. Walde, M. Weyers, P.-M. Coulon, P.A. Shields, Y. Zhang, L. Jiu, Y. Gong, R.M. Smith, T. Wang, and A. Winkelmann

The scanning electron microscope as a flexible tool for investigating the properties of UV-emitting nitride semiconductor thin films

Photonics Res., vol. 7, no. 11, pp. B73-B82, DOI: 10.1364/PRJ.7.000B73 (2019).

M. Hossain, S. Boppel, W. Heinrich, and V. Krozer

A 240 GHz Active Multiplier-Based Signal Source for Millimeter-Wave/Terahertz Applications

44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2019), Paris, France, Sep.1-6, ISBN: 978-1-5386-8285-2 (2019).

J.-P. Koester, M. Radziunas, A. Zeghuzi, H. Wenzel, A. Knigge

Simulation and design of a compact GaAs based tunable dual-wavelength diode laser system

Opt. Quantum Electron., vol. 51, no. 10, pp. 334 (2019).

F.B. Gutsch, O. Fartmann, C.L. Zimmermann, V. Schkolnik, A. Peters, M. Krutzik, F. Böhle, M. Lezius, R. Holzwarth, A. Bawamia, C. Pyrlik, A. Wicht

Towards a Strontium Beam Optical Reference Based on the ¹S₀ → ³P₁ Intercombination Line on a Sounding Rocket

Joint Conference of the IEEE International Frequency Control Symposium and European Frequency and Time Forum (EFTF/IFC), Orlando, USA, Apr. 14-18 (2019).

E. Beyatli, B. Sumpf, G. Erbert, and U. Demirbas

Efficient Tm:YAG and Tm:LuAG lasers pumped by red tapered diodes

Conf. on Lasers and Electro-Optics/Europe and European Quantum Electronics Conf. (CLEO/Europe-EQEC 2019), Munich, Germany, Jun. 23-27, ISBN: 978-1-7281-0469-0, ca-7.2 (2019).

C. Zink, M. Maiwald, H. Wenzel, B. Sumpf and G. Tränkle

Monolithic master oscillator with tapered power amplifier diode laser at 1060 nm with additional control section for high power operation

Conf. on Lasers and Electro-Optics/Europe and European Quantum Electronics Conf. (CLEO/Europe-EQEC 2019), Munich, Germany, Jun. 23-27, ISBN: 978-1-7281-0469-0, cb-3.1 (2019).

B. Arar, C. Kürbis, H. Wenzel, and A. Wicht

Determination of the Residual Amplified Spontaneous Emission in Single-Mode Semiconductor Optical Amplifiers

Conf. on Lasers and Electro-Optics/Europe and European Quantum Electronics Conf. (CLEO/Europe-EQEC 2019), Munich, Germany, Jun. 23-27, ISBN: 978-1-7281-0469-0, cb-4.4 (2019).

M. Tawfieq, J. Fricke, A. Müller, P. Della Casa, O. Brox, H. Wenzel, B. Sumpf and G. Tränkle

Widely tunable Watt-level MOPA systems emitting at 976 nm

Conf. on Lasers and Electro-Optics/Europe and European Quantum Electronics Conf. (CLEO/Europe-EQEC 2019), Munich, Germany, Jun. 23-27, ISBN: 978-1-7281-0469-0, cb-4.5 (2019).

P. Albrodt, J. Hamperl, M. Niemeyer, P. Crump, P. Georges and G. Lucas-Leclin

Coherent superposition of pulsed high-brightness tapered amplifiers

Conf. on Lasers and Electro-Optics/Europe and European Quantum Electronics Conf. (CLEO/Europe-EQEC 2019), Munich, Germany, Jun. 23-27, ISBN: 978-1-7281-0469-0, cb-4.6 (2019).

A. Knigge, G. Erbert, A. Klehr, A. Liero, J. Fricke, A. Maaßdorf, A. Zeghuzi, H. Wenzel, G. Tränkle

Wavelength stabilized 905 nm diode lasers in the 100 W class for automotive LiDAR

Conf. on Lasers and Electro-Optics/Europe and European Quantum Electronics Conf. (CLEO/Europe-EQEC 2019), Munich, Germany, Jun. 23-27, ISBN: 978-1-7281-0469-0, cb-5.2 (2019).

M. Wilkens, G. Erbert, H. Wenzel, A. Maaßdorf, J. Fricke, P. Ressel, A. Knigge, P. Crump

Efficient Narrow Stripe Ridge Waveguide Lasers for Single-Spatial Mode Operation up to 2.5 W

Conf. on Lasers and Electro-Optics/Europe and European Quantum Electronics Conf. (CLEO/Europe-EQEC 2019), Munich, Germany, Jun. 23-27, ISBN: 978-1-7281-0469-0, cb-5.3 (2019).

M.M. Karow, D. Martin, P. Della Casa, G. Erbert, and P. Crump

Narrower Far Field and Higher Efficiency in 1 kW Diode-Laser Bars Using Improved Lateral Structuring

Conf. on Lasers and Electro-Optics/Europe and European Quantum Electronics Conf. (CLEO/Europe-EQEC 2019), Munich, Germany, Jun. 23-27, ISBN: 978-1-7281-0469-0, cb-5.4 (2019).

P. Crump, C. Frevert, A. Maaßdorf, S. Knigge, G. Erbert and G. Tränkle

Efficient, High Power Pumps for Mid-IR Solid State Lasers Enabled by 200 K Operation of 808 nm Diode Lasers

Conf. on Lasers and Electro-Optics/Europe and European Quantum Electronics Conf. (CLEO/Europe-EQEC 2019), Munich, Germany, Jun. 23-27, ISBN: 978-1-7281-0469-0, cb-5.5 (2019).

K. Häusler, H. Wenzel, J. Fricke, S. Kreutzmann, and A. Knigge

Optimization of 808 nm DBR RW Laser Bars for Operation at Low Noise and High Reliability

Conf. on Lasers and Electro-Optics/Europe and European Quantum Electronics Conf. (CLEO/Europe-EQEC 2019), Munich, Germany, Jun. 23-27, ISBN: 978-1-7281-0469-0, cb-5.6 (2019).

H. Christopher, A. Wicht, A. Peters, G. Tränkle

A micro-integrated mode-locked extended-cavity diode laser emitting in the wavelength range around 780 nm

Conf. on Lasers and Electro-Optics/Europe and European Quantum Electronics Conf. (CLEO/Europe-EQEC 2019), Munich, Germany, Jun. 23-27, ISBN: 978-1-7281-0469-0, cb-8.4 (2019).

A. Klehr, A. Liero, H. Wenzel, A. Zeghuzi, A. Maaßdorf, J. Fricke, A. Knigge

Polarisation-Resolved Investigations of the Pico- and Nanosecond Dynamics of Broad Area Distributed Bragg Reflector Lasers under Very High-Current Pulse Excitation

Conf. on Lasers and Electro-Optics/Europe and European Quantum Electronics Conf. (CLEO/Europe-EQEC 2019), Munich, Germany, Jun. 23-27, ISBN: 978-1-7281-0469-0, cb-10.6 (2019).

L.S. Theurer, M. Maiwald, J. Fricke, P. Ressel, B. Sumpf, G. Tränkle

Dual-Wavelength Y-Branch DBR-RW Diode Laser at 785 nm with Adjustable Spectral Distance from 0 up to 1.6 nm

Conf. on Lasers and Electro-Optics/Europe and European Quantum Electronics Conf. (CLEO/Europe-EQEC 2019), Munich, Germany, Jun. 23-27, ISBN: 978-1-7281-0469-0, cb-p.29 (2019).

P. Sauer, D. Auth, C. Weber, A. Klehr, A. Knigge, and S. Breuer

Passively mode-locked quantum-well semiconductor laser subject to ultra-short optical self-feedback with nanometric fine-delay

Conf. on Lasers and Electro-Optics/Europe and European Quantum Electronics Conf. (CLEO/Europe-EQEC 2019), Munich, Germany, Jun. 23-27, ISBN: 978-1-7281-0469-0, cb-p.43 (2019).

J.O. Gwaro, C. Brenner, B. Sumpf, A. Klehr, J. Fricke and M.R. Hofmann

Continuous wave THz source based on an electrically tunable monolithic two-color semiconductor diode laser

Conf. on Lasers and Electro-Optics/Europe and European Quantum Electronics Conf. (CLEO/Europe-EQEC 2019), Munich, Germany, Jun. 23-27, ISBN: 978-1-7281-0469-0, cc-7.1 (2019).

M. Christ, A. Wicht, and M. Krutzik

Development and qualification of miniaturized, UHV-compatible optical systems for integrated atomic quantum technologies

Conf. on Lasers and Electro-Optics/Europe and European Quantum Electronics Conf. (CLEO/Europe-EQEC 2019), Munich, Germany, Jun. 23-27, ISBN: 978-1-7281-0469-0, ea-p.26 (2019).

P. Albrodt, M. Niemeyer, P. Crump, J. Hamperl, F. Moron, P. Georges, and G. Lucas-Leclin

Coherent beam combining of high power quasi continuous wave tapered amplifiers

Opt. Express, vol. 27, no. 20, pp. 27891-27901 (2019).

T. Kaul, G. Erbert, A. Klehr, A. Maaßdorf, D. Martin, and P. Crump

Impact of Carrier Nonpinning Effect on Thermal Power Saturation in GaAs-Based High Power Diode Lasers

IEEE J. Sel. Top. Quantum Electron., vol. 25, no. 6, pp. 1501910 (2019).

A. Zeghuzi, H.-J. Wünsche, H. Wenzel, M. Radziunas, J. Fuhrmann, A. Klehr, U. Bandelow, and A. Knigge

Time-Dependent Simulation of Thermal Lensing in High-Power Broad-Area Semiconductor Lasers

IEEE J. Sel. Top. Quantum Electron., vol. 25, no. 6, pp. 1502310 (2019).

B. Herzog, B. Lingnau, M. Kolarczik, S. Helmrich, A.W. Achtstein, K. Thommes, F. Alhussein, D. Quandt, A. Strittmatter, U.W. Pohl, O. Brox, M. Weyers, U. Woggon, K. Lüdge, N. Owschimikow

Broadband Semiconductor Light Sources Operating at 1060 nm Based on InAs:Sb/GaAs Submonolayer Quantum Dots

IEEE J. Sel. Top. Quantum Electron., vol. 25, no. 6, pp. 1900310 (2019).

T. Kolbe, A. Knauer, J. Enslin, S. Hagedorn, A. Mogilatenko, T. Wernicke, M. Kneissl, M. Weyers

Influence of substrate off-cut angle on the performance of 310 nm light emitting diodes

J. Cryst. Growth, vol. 526, pp. 125241 (2019).

F. Hühn, A. Wentzel and W. Heinrich

Highly compact GaN-based all-digital transmitter chain including SPDT T/Rx switch for massive MIMO applications

Int. J. Microwave Wireless Technolog., vol. 11, no. 7, pp. 609-617 (2019).

T. Shivan, E. Kaule, M. Hossain, R. Doerner, T. Johansen, D. Stoppel, S. Boppel, W. Heinrich, V. Krozer and M. Rudolph

Design and modeling of an ultra-wideband low-noise distributed amplifier in InP DHBT technology

Int. J. Microwave Wireless Technolog., vol. 11, no. 7, pp. 635-644 (2019).

P. Della Casa, D. Martin, A. Maaßdorf, T. Adam, A. Ties, M. Beier, K. Häusler, A. Knigge and M. Weyers

High power broad-area lasers with buried implantation for current confinement

Semicond. Sci. Technol., vol. 34, no. 10, pp. 105005 (2019).

C. Schuster, L. Schynol, A. Wentzel, F. Hühn, E. Polat, S. Schmidt, R. Jakoby, W. Heinrich, and H. Maune

Concept for Continuously Tunable Output Filters for Digital Transmitter Architectures

IEEE Access, vol. 7, pp. 123490-123504 (2019).

J. Weinrich, A. Mogilatenko, F. Brunner, C.T. Koch, and M. Weyers

Extra half-plane shortening of dislocations as an origin of tensile strain in Si-doped (Al)GaN

J. Appl. Phys., vol. 126, no. 08, pp. 085701 (2019).

J.-P. Koester, M. Radziunas, A. Zeghuzi, H. Wenzel and A. Knigge

Traveling Wave Model Based Simulation of Tunable Multi-Wavelength Diode Laser Systems

19th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD 2019), ISBN 978-1-7281-1647-1, Ottawa, Canada, Jul. 8-12, pp. 75-76 (2019).

M. Hübner, I. Will, J. Körner, J. Reiter, M. Lenski, J. Tümmler, J. Hein, B. Eppich, A. Ginolas and P. Crump

Novel High-Power, High Repetition Rate Laser Diode Pump Modules Suitable for High-Energy Class Laser Facilities

MDPI instruments, vol. 3, no. 3, pp. 34 (2019).

K. Tetzner, E. Bahat Treidel, O. Hilt, A. Popp, S. Bin Anooz, G. Wagner, A. Thies, K. Ickert, H. Gargouri, and J. Würfl

Lateral 1.8 kV β-Ga₂O₃ MOSFET With 155 MW/cm² Power Figure of Merit

IEEE Electron Device Lett., vol. 40, no. 9, pp. 1503-1506 (2019).

D. Monti, C. De Santi, S. Da Ruos, F. Piva, J. Glaab, J. Rass, S. Einfeldt, F. Mehnke, J. Enslin, T. Wernicke, M. Kneissl, G. Meneghesso, E. Zanoni, and M. Meneghini

High-Current Stress of UV-B (In)AlGaN-Based LEDs: Defect-Generation and Diffusion Processes

IEEE Trans. Electron Devices, vol. 66, no. 8, pp. 3387-3392 (2019).

K. Dahl, P. Cebeci, O. Fitzau, M. Giesberts, C. Greve, M. Krutzik, A. Peters, S.A. Pyka, J. Sanjuan, M. Schiemangk, T. Schuldt, K. Voss, A. Wicht

A New Laser Technology for LISA

Proc.SPIE 11180, International Conference on Space Optics (ICSO 2018), Chania, Greece, Oct.9-12, 111800C (2019).

A. Bawamia, C. Kürbis, R. Smol, A. Wicht

Semiconductor laser modules for precision spectroscopy applications in space

Proc.SPIE 11180, International Conference on Space Optics (ICSO 2018), Chania, Greece, Oct.9-12, 111805C (2019).

M. Christ, A. Kassner, R. Smol, A. Bawamia, A. Peters, M. Wurz, E. Rasel, A. Wicht and M. Krutzik

Integrated Atomic Quantum Technologies in Demanding Environments: Development and Qualification of Miniaturized Optical Setups and Integration Technologies for UHV and Space Operation

Proc.SPIE 11180, International Conference on Space Optics (ICSO 2018), Chania, Greece, Oct.9-12, 1118088 (2019).

K. Döringshoff, F.B. Gutsch, V. Schkolnik, C. Kürbis, M. Oswald, B. Pröbster, E.V. Kovalchuk, A. Bawamia, R. Smol, T. Schuldt, M. Lezius, R. Holzwarth, A. Wicht, C. Braxmaier, M. Krutzik, and A. Peters

Iodine Frequency Reference on a Sounding Rocket

Phys. Rev. Applied, vol. 11, no. 5, pp. 054068 (2019).

J. Pahl, A.N. Dinkelaker, C. Grzeschik, J. Kluge, M. Schiemangk, A. Wicht, A. Peters, and M. Krutzik

Compact and robust diode laser system technology for dual-species ultracold atom experiments with rubidium and potassium in microgravity

Appl. Opt., vol. 58, no. 20, pp. 5456-5464 (2019).

M. Bauer, A. Rämer, S.A. Chevtchenko, K.Y. Osipov, D. Cibiraite, S. Pralgauskaite, K. Ikamas, A. Lisauskas, W. Heinrich, V. Krozer, and H.G. Roskos

A High-Sensitivity AlGaN/GaN HEMT Terahertz Detector With Integrated Broadband Bow-Tie Antenna

IEEE Trans. Terahertz Sci. Technol., vol. 9, no. 4, pp. 430-444 (2019).

J. Ruschel, J. Glaab, B. Beidoun, N. Lobo Ploch, J. Rass, T. Kolbe, A. Knauer, M. Weyers, S. Einfeldt, and M. Kneissl

Current-induced degradation and lifetime prediction of 310 nm ultraviolet light-emitting diodes

Photonics Res., vol. 7, no. 7, pp. B36-B40, DOI: 10.1364/PRJ.7.000B36 (2019).

M. Brahem, A. Mogilatenko, D. Stoppel, D. Berger, S. Hochheim, D. Rentner, I. Ostermay, M. Reiner, S. Boppel, K. Nosaeva, N. Weimann

Thermally stable iridium contacts to highly doped p-In_0:53Ga_0:47As for indium phosphide double heterojunction bipolar transistors

Microelectron. Eng., vol. 215, pp. 111017 (2019).

T. Shivan, M. Hossain, R. Doerner, S. Schulz, T. Johansen, S. Boppel, W. Heinrich and V. Krozer

Highly linear 90-170 GHz SPDT Switch with High Isolation for Fully Integrated InP Transceivers

IEEE MTT-S Int. Microw. Symp. Dig., Boston, USA, Jun. 2-7, pp. 1011-1014 (2019).

T. Shivan, M. Hossain, R. Doerner, S. Schulz, T. Johansen, S. Boppel, W. Heinrich and V. Krozer

A 175 GHz Bandwidth High Linearity Distributed Amplifier in 500 nm InP DHBT Technology

IEEE MTT-S Int. Microw. Symp. Dig., Boston, USA, Jun. 2-7, pp. 1253-1256 (2019).

F. Hühn, A. Wentzel, W. Heinrich

A Reconfigurable Modulator for Digital Outphasing Transmitters

IEEE MTT-S Int. Microw. Symp. Dig., Boston, USA, Jun. 2-7, pp. 1480-1483 (2019).

A. Wentzel, C. Schuster, R. Jakoby, H. Maune, W. Heinrich

Reconfigurable GaN Digital Tx Applying BST Bandpass Filter

IEEE MTT-S Int. Microw. Symp. Dig., Boston, USA, Jun. 2-7, pp. 1484-1487 (2019).

A. Müller, M. Maiwald, and B. Sumpf

Compact Diode Laser-Based Dual-Wavelength Master Oscillator Power Amplifier at 785 nm

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Current Spreading Suppression by O- and Si-Implantation in high Power Broad Area Diode Lasers

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Miniaturized watt-level laser modules emitting in the yellow-green spectral range for biophotonic applications

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Multi watt-level picosecond micro-laser sources in the yellow-green spectral range

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K. Häusler, J. Fricke, R. Staske, B. Eppich, and A. Knigge

Highly Reliable Low Noise Pump Sources for Solid State Lasers in Laser Communication Terminals

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M. Schiemangk, A. Wicht, G. Tränkle

Ultra-narrow linewidth diode laser based on resonant optical feedback

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Tunable Y-branch dual-wavelength diode lasers in the VIS and NIR range for sensor applications

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Mode-locked diode lasers for THz asynchronous optical sampling

Proc. SPIE 10917, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XII, Photonics West, San Francisco, USA, Feb 1-6, 109171C (2019).

D. Feise, D. Jedrzejczyk, D. Krug, N. Werner, F. Bugge, A. Maaßdorf, R.-St. Unger, P. Ressel, K. Paschke

High spectral radiance distributed Bragg reflector tapered diode lasers at 1060 nm with novel internal output DBR-grating

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Reliability of high-power 1030 nm DBR tapered diode lasers with different lateral layouts

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Investigation of controlled external feedback on the properties of low and high-power frequency stabilized diode lasers

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NiCr resistors for terahertz applications in an InP DHBT process

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Vertical GaN n-channel MISFETs on ammonothermal GaN substrate: Temperature dependent dynamic switching characteristics

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Influence of quartz on silicon incorporation in HVPE grown AlN

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Influence of silicon doping on internal quantum efficiency and threshold of optically pumped deep UV AlGaN quantum well lasers

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Crystal defect analysis in AlN layers grown by MOVPE on bulk AlN

J. Cryst. Growth, vol. 505, pp. 69-73 (2019).