Publications

C. Schulze, W. Heinrich, and O. Bengtsson

Wideband Calibration Methods on a Modified Vector Network Analyzer System

IEEE Microwave Mag., vol. 26, no. 1, pp. 42-50 (2025).

P. Crump, A. Boni, M. Elattar, S.K. Khamari, I.P. Marko, S.J. Sweeney, S. Arslan, B. King, Md.J. Miah, D. Martin, A. Knigge, P. Della Casa, and G. Tränkle

Power and Efficiency Scaling of GaAs-Based Edge-Emitting High-Power Diode Lasers

IEEE J. Sel. Top. Quantum Electron., vol. 31, no. 2: Pwr. and Effic. Scaling in Semiconductor Lasers, art. 1502512 (2025).

M. Elattar, M. Hübner, M. Wilkens, A. Ginolas, and P. Crump

Finite-Element Thermal Simulation of High-Power Diode Laser Stacks for High-Duty-Cycle Pump Applications

IEEE J. Sel. Top. Quantum Electron., vol. 31, no. 2: Pwr. and Effic. Scaling in Semiconductor Lasers, art. 1500407 (2025).

F. Mauerhoff, P. Hildenstein, A. Maaßdorf, D. Feise, N. Werner, J. Glaab, G. Blume, and K. Paschke

GaAs Based Edge Emitters at 626 nm, 725 nm and 1180 nm

IEEE J. Sel. Top. Quantum Electron., vol. 31, no. 2: Pwr. and Effic. Scaling in Semiconductor Lasers, art. 1500710 (2025).

H. Christopher, N. Ammouri, M. Beier, J. Fricke, A. Ginolas, J.-P. Koester, A. Liero, A. Maaßdorf, S. Nozinic, H. Wenzel, and A. Knigge

Wavelength-Stabilized Multi-Active Region DBR and DFB Broad-Area and Ridge-Waveguide Lasers for High Peak-Power Pulsed Operation

IEEE J. Sel. Top. Quantum Electron., vol. 31, no. 2: Pwr. and Effic. Scaling in Semiconductor Lasers, art. 1501510 (2025).

B. Kantor, L. Ackermann, V. Deinhart, K. Höflich, I. de Leon and P. Banzer

Individual nanostructures in an epsilon-near-zero material probed with 3D-sculpted light

Opt. Express, vol. 32, no. 27, pp. 47800-47809, doi:10.1364/OE.541939 (2024).

H.C. Nerl, K. Elyas, Z. Kochovski, N. Talebi, C.T. Koch & K. Höflich

Flat dispersion at large momentum transfer at the onset of exciton polariton formation

Commun. Phys., vol. 7, art. 388, doi:10.1038/s42005-024-01876-3 (2024).

J. Kohs, T. Lichtenthäler, C. Gouma, H.K. Cho, A. Reith, A. Kramer, S. Reiche and P. Zwicker

Studies on the Virucidal Effects of UV-C of 233 nm and 275 nm Wavelengths

Viruses, vol. 16, no. 12, art. 1904, doi:10.3390/v16121904 (2024).

M. Christ, C. Zimmermann, S. Neinert, B. Leykauf, K. Döringshoff, and M. Krutzik

Additively Manufactured Ceramics for Compact Quantum Technologies

Adv. Quantum Technol., vol. 7, no. 12, pp. 2400076, doi:10.1002/qute.202400076 (2024).

M. Schilling, N. Susilo, A. Muhin, G. Cardinali, J. Ruschel, H.K. Cho, J. Rass, J. Höpfner, T. Wernicke, S. Einfeldt, and M. Kneissl

Effect of the AlGaN Multi-Quantum Well Growth Temperature on the Efficiency of Metal-Organic Vapor-Phase Epitaxy-Grown Far-Ultraviolet-C Light-Emitting Diodes Emitting near 235 nm

phys. stat. sol. (a), vol. 221, no. 23, pp. 2400392, doi:10.1002/pssa.202400392 (2024).

B. King, H. Wenzel, E. Kuhn, M. Radziunas, and P. Crump

Design of very-large area photonic crystal surface emitting lasers with an all-semiconductor photonic crystal

Opt. Express, vol. 32, no. 25, pp. 44945-44957, doi:10.1364/OE.537452 (2024).

G. Cardinali, S. Kölle, A. Schulz, N. Susilo, D. Hauer Vidal, M. Guttmann, M.A. Blonski, F. Römer, B. Witzigmann, F. Nippert, M.R. Wagner, T. Wernicke, and M. Kneissl

Gain Characteristics of Optically Pumped UVC Lasers with Wide AlGaN Single-Quantum-Well Active Regions

phys. stat. sol. (a), vol. 221, no. 21 Nitride Semiconductors, pp. 2400067, doi:10.1002/pssa.202400067 (2024).

F. Brunner, E. Brusaterra, E. Bahat-Treidel, O. Hilt, and M. Weyers

GaN Drift Layers on Sapphire and GaN Substrates for 1.2 kV Class Vertical Power Devices

phys. stat. sol. (rrl), vol. 18, no. 11, pp. 2400013, doi:10.1002/pssr.202400013 (2024).

T. Kolbe, H.K. Cho, S. Hagedorn, J. Rass, J. Ruschel, S. Einfeldt, and M. Weyers

226 nm Far-Ultraviolet-C Light Emitting Diodes with an Emission Power over 2 mW

phys. stat. sol. (rrl), vol. 18, no. 11, pp. 2400092, doi:10.1002/pssr.202400092 (2024).

M. Christ, O. Anton, C. Zimmermann, V.A. Henderson, E. da Ros, and M. Krutzik

Micro-integrated crossed-beam optical dipole trap system with long-term alignment stability for mobile atomic quantum technologies

Opt. Express, vol. 32, no. 23, pp. 40806-40819, doi:10.1364/OE.534888 (2024).

L.S. Theurer, J.-P. Koester, A. Müller, M. Maiwald, A. Knigge, B. Sumpf, G. Tränkle

Spectrally narrowband simultaneous dual‑wavelength emission from Y‑branch DBR diode lasers at 785 nm

Appl. Phys. B, vol. 130, art. 205, doi:10.1007/s00340-024-08338-2 (2024).

H.C. Nerl, J.P. Guerrero-Felipe, A.M. Valencia, K.F. Elyas, K. Höflich, C.T. Koch & C. Cocchi

Mapping the energy-momentum dispersion of hBN excitons and hybrid plasmons in hBN-WSe₂ heterostructures

npj 2D Mater Appl, vol. 8, art. 68, doi:10.1038/s41699-024-00500-w (2024).

M. Segantini, G. Marcozzi, T. Elrifai, E. Shabratova, K. Höflich, M. Deaconeasa, V. Niemann, R. Pietig, J.E. McPeak, J. Anders, B. Naydenov, and Klaus Lips

Compact Electron Paramagnetic Resonance on a Chip Spectrometer Using a Single Sided Permanent Magnet

ACS Sens., vol. 9, no. 10, pp. 5099-5108, doi:10.1021/acssensors.4c00788 (2024).

Y. Rahimof, I.A. Nechepurenko, M.R. Mahani, A. Tsarapkin and A. Wicht

The study of 3D FDTD modelling of large-scale Bragg gratings validated by experimental measurements

J. Phys. Photonics, vol. 6, no. 4, pp. 045024, doi:10.1088/2515-7647/ad8824 (2024).

M. Krishnaji Rao, A. Wentzel, T. Hoffmann, L. Schellhase, S.A. Chevtchenko, M. Rudolph

Digital GaN-based Transceiver Module for Future Green 5G Networks

Proc. 54th European Microwave Conference (EuMC 2024), Paris, France, Sep. 24-26, ISBN: 978-2-87487-077-4, pp. 136-139 (2024).

A. Kanitkar, R. Doerner, T.K. Johansen, W. Heinrich, T. Flisgen

Influence of On-Wafer Parasitic Effects on Mason’s Gain of Down-Scaled InP HBTs

Proc. 54th European Microwave Conference (EuMC 2024), Paris, France, Sep. 24-26, ISBN: 978-2-87487-077-4, pp. 252-255 (2024).

S. Nozinic, A. Rämer, E. Dischke, T. Flisgen, W. Heinrich, V. Krozer

Layering it All: Stripline-to-Waveguide Transitions for Corrugated Horns at W-band

Proc. 54th European Microwave Conference (EuMC 2024), Paris, France, Sep. 24-26, ISBN: 978-2-87487-077-4, pp. 724-727 (2024).

A. Rämer, E. Negri, H. Yacoub, J. Theumer, J. Wartena, V. Krozer, W. Heinrich

A Monolithically Integrated InP HBT-based THz Detector

Proc. 54th European Microwave Conference (EuMC 2024), Paris, France, Sep. 24-26, ISBN: 978-2-87487-077-4, pp. 1000-1003 (2024).

T. Hoffmann, D. Sun, S.A. Chevtchenko, M. Wolf, L. Schellhase, A. Wentzel

A Highly Efficient Compact 200 MHz GaN Buck Converter Module

Proc. 54th European Microwave Conference (EuMC 2024), Paris, France, Sep. 24-26, ISBN: 978-2-87487-077-4, pp. 1046-1049 (2024).

S. Cangini, C. Schulze, G.P. Gibiino, A.M. Angelotti, H. Yazdani, C. Florian, O. Bengtsson, A. Santarelli

Evaluation of Integrated GaN Diodes as Varactors for Tunable MMIC PAs from C- to K-Band

Proc. 19th European Microwave Integrated Circuits Conference (EuMIC 2024), Paris, France, Sep. 23-24, ISBN: 978-2-87487-078-1, pp. 14-17 (2024).

C. Zervos, P. Beleniotis, M. Rudolph

Prediction of the Large-Signal GaN HEMT Performance Using Accurate TCAD-Compact Modeling Method

Proc. 19th European Microwave Integrated Circuits Conference (EuMIC 2024), Paris, France, Sep. 23-24, ISBN: 978-2-87487-078-1, pp. 186-189 (2024).

S. Haque, C. Andrei, M. Wolf, O. Hilt, M. Rudolph

Switch Integrated Ka-Band Low Noise Amplifier in GaN/AlN HEMT Technology

Proc. 19th European Microwave Integrated Circuits Conference (EuMIC 2024), Paris, France, Sep. 23-24, ISBN: 978-2-87487-078-1, pp. 351-354 (2024).

S. Gündogdu, T. Pregnolato, S. Pazzagli, T. Kolbe, S. Hagedorn, M. Weyers and T. Schröder

AlGaN on AlN/Sapphire: A New Material Platform in Integrated Photonics Technology

Conf. on Lasers and Electro-Optics (CLEO 2024), Charlotte, USA, May 5-10, ISBN 978-1-957171-39-5, p. AW3J.4, doi:10.1364/CLEO_AT.2024.AW3J.4 (2024).

Y. Rahimof, I.A. Nechepurenko, M.R. Mahani, and A. Wicht

Coupled Mode Theory Fitting of Bragg Grating Spectra Obtained with 3D FDTD Method

Conf. on Lasers and Electro-Optics (CLEO 2024), Charlotte, USA, May 5-10, ISBN 978-1-957171-39-5, p. JTh2A.208, doi:10.1364/CLEO_AT.2024.JTh2A.208 (2024).

M.R. Mahani, Y. Rahimof, I.A. Nechepurenko, and A. Wicht

Tailor Bragg grating designs for specific laser applications via coupled-mode-theory fit and machine learning

Conf. on Lasers and Electro-Optics (CLEO 2024), Charlotte, USA, May 5-10, ISBN 978-1-957171-39-5, p. JTh2A.210, doi:10.1364/CLEO_AT.2024.JTh2A.210 (2024).

S. Gretter, A. Maaßdorf, and M. Weyers

On scalability of static 940 nm VCSEL arrays

Conf. on Lasers and Electro-Optics (CLEO 2024), Charlotte, USA, May 5-10, ISBN 978-1-957171-39-5, p. JTu2A.30, doi:10.1364/CLEO_AT.2024.JTu2A.30 (2024).

J. Hamperl, N. Goossen-Schmidt, B. Arar, M. Bursy, S. Hariharan, N. Müller, M. Schiemangk, S. Szermer, C. Tyborski, D. Zou, and A. Wicht

Miniaturized Laser Distribution Module for Compact Sr-Based Optical Atomic Clocks

Conf. on Lasers and Electro-Optics (CLEO 2024), Charlotte, USA, May 5-10, ISBN 978-1-957171-39-5, p. JW2A.90, doi:10.1364/CLEO_AT.2024.JW2A.90 (2024).

C.G. Torun, M. Gökçe, T.K. Bracht, M.I. Monsalve, S. Benbouabdellah, Ö.O. Nacitarhan, M.E. Stucki, G. Pieplow, T. Pregnolato, J.H.D. Munns, D.E. Reiter, and T. Schröder

Coherent excitation of a tin-vacancy color center with the SUPER scheme

Conf. on Lasers and Electro-Optics (CLEO 2024), Charlotte, USA, May 5-10, ISBN 978-1-957171-39-5, p. FM4F.2, doi:10.1364/CLEO_FS.2024.FM4F.2 (2024).

T. Schröder

Investigating atomic-scale solid-state properties with an SnV electrometer in diamond

Conf. on Lasers and Electro-Optics (CLEO 2024), Charlotte, USA, May 5-10, ISBN 978-1-957171-39-5, p. FTu3I.7, doi:10.1364/CLEO_FS.2024.FTu3I.7 (2024).

J.M. Bopp, H. Conradi, F. Perona, A. Palaci, J. Wollenberg, T. Flisgen, A. Liero, H. Christopher, N. Keil, W. Knolle, A. Knigge, W. Heinrich, M. Kleinert, and T. Schröder

Integrated Magnetic Field Camera Based on Infrared Absorption ODMR Mediated by Diamond NV Centers

Conf. on Lasers and Electro-Optics (CLEO 2024), Charlotte, USA, May 5-10, ISBN 978-1-957171-39-5, p. SF1A.1, doi:10.1364/CLEO_SI.2024.SF1A.1 (2024).

K. Akritidis, M. Billet, M. Kiewiet, J. Fricke, H. Wenzel, J.-P. Koester, A. Knigge, P. Neutens, R. Jansen, J. Brouckaert, P. Van Dorpe, M. Weyers and B. Kuyken

Transfer Printing of GaAs-based Amplifiers on a-Si:H Waveguides for Evanescently-Coupled Light Amplification in the Near-Infrared Band

Conf. on Lasers and Electro-Optics (CLEO 2024), Charlotte, USA, May 5-10, ISBN 978-1-957171-39-5, p. SM3G.4, doi:10.1364/CLEO_SI.2024.SM3G.4 (2024).

M.E. Stucki, T. Pregnolato, J.M. Bopp, M.H. v. de Hoeven, A. Gokhale, O. Krüger, and T. Schröder

Sawfish photonic crystal cavities with resonances at NV and SnV transition frequencies

Conf. on Lasers and Electro-Optics (CLEO 2024), Charlotte, USA, May 5-10, ISBN 978-1-957171-39-5, p. STh4R.3, doi:10.1364/CLEO_SI.2024.STh4R.3 (2024).

F. Mauerhoff, O. Senel, H. Wenzel, A. Maaßdorf, J. Boschker, J. Glaab, K. Paschke, G. Tränkle

Continuous wave operation of broad area and ridge waveguide laser diodes at 626 nm

IET Optoelectron., vol. 18, no. 5, pp. 140-145, doi:10.1049/ote2.12125 (2024).

P. Kusch, J.A. Arcos Pareja, A. Tsarapkin, V. Deinhart, K. Harbauer, K. Hoeflich, and S. Reich

Double Tips for In-Plane Polarized Near-Field Microscopy and Spectroscopy

Nano Lett., vol. 24, no. 40, pp. 12406−12412, doi:10.1021/acs.nanolett.4c02826 (2024).

J.-P. Koester, H. Wenzel, J. Fricke, M. Reggentin, P. Della Casa, P. Sammeta, O. Brox, M. Ekterai, M. Kohlbrenner, A. Renkewitz, C. Zink, T. Tenzler, J. Boschker, M. Weyers, and A. Knigge

GaAs-based photonic integrated circuit platform enabling monolithic ring-resonator-coupled lasers

APL Photon., vol. 9, no. 10, pp. 106102, doi:10.1063/5.0223134 (2024).

X. Geng, N. Wieczorek, M. Wolf, C. Kuring, F. Brunner, J. Würfl, O. Hilt, and S. Dieckerhoff

Experimental Investigation of GaN-on-AlN/SiC Transistors With Regard to Monolithic Integration

IEEE Trans. Power Electron., vol. 39, no. 10, pp. 12615-12624 (2024).

H. Yazdani, F. Brunner, A. Thies, H.J. Würfl and O. Hilt

Si-implantation for low ohmic contact resistances in RF GaN HEMTs

Semicond. Sci. Technol., vol. 39, no. 10, pp. 105003, doi:10.1088/1361-6641/ad70d5 (2024).

S.K. Khamari, S. Arslan, C. Zink, S.J. Sweeney and P. Crump

Increasing Output Power in 970 nm Broad Area Lasers via Longitudinal Current Profile Modification

29th International Semiconductor Laser Conference (ISLC 2024), Orlando, USA, Sep. 30 - Oct. 2, ISBN: 979-8-3503-7299-1, TuD4 (2024).

A. Dieper, S. Scheidegger, R.M. Füchslin, P.D. Veltsista, U. Stein, M. Weyland, D. Gerster, M. Beck, O. Bengtsson, D. Zips & P. Ghadjar

Literature review: potential non-thermal molecular effects of external radiofrequency electromagnetic fields on cancer

Int. J. Hyperthermia, vol. 41, no. 1, art: 2379992, doi:10.1080/02656736.2024.2379992 (2024).

J. Li, V. Cupil-Garcia, H.-N. Wang, P. Strobbia, B. Lai, J. Hu, M. Maiwald, B. Sumpf, T.-P. Sun, K.M. Kemner, T. Vo-Dinh

Plasmonics nanorod biosensor for in situ intracellular detection of gene expression biomarkers in intact plant systems

Biosens. Bioelectron., vol. 261, art. 116471 (2024).

H.K. Cho, I. Ostermay, T. Kolbe, J. Rass, and S. Einfeldt

Au-free V/Al/Pt Contacts on n-Al_0.85Ga_0.15N:Si Surfaces of Far-UVC LEDs

ECS J. Solid State Sci. Technol., vol. 13, no. 9, pp. 093009 (2024).

M. Placke, J. Schlegel, F. Mann, P. Della Casa, A. Thies, M. Weyers, G. Tränkle, and S. Ramelow

Telecom-Band Spontaneous Parametric Down-Conversion in AlGaAs-on-Insulator Waveguides

Laser Photonics Rev., vol. 18, no. 9, pp. 2301293, doi:10.1002/lpor.202301293 (2024).

C. Zervos, P. Beleniotis and M. Rudolph

A computational analysis of the impact of thin undoped channels in surface-related current collapse of AlGaN/GaN HEMTs

Semicond. Sci. Technol., vol. 39, no. 9, pp. 095009, doi:10.1088/1361-6641/ad689c (2024).

K. Höflich, K. Maćkosz, C.S. Jureddy, A. Tsarapkin and I. Utke

Direct electron beam writing of silver using a β-diketonate precursor: first insights

Beilstein J. Nanotechnol., vol. 15, pp. 1117–1124, doi:10.3762/bjnano.15.90 (2024).

M.R. Mahani, I.A. Nechepurenko, Y. Rahimof and A. Wicht

Optimizing data acquisition: a Bayesian approach for efficient machine learning model training

Mach. Learn.: Sci. Technol., vol. 5, no. 3, pp. 035013, doi:10.1088/2632-2153/ad605f (2024).

A.O. Sweedan, M.J. Pavan, E. Schatz, H. Maaß, A. Tsega, V. Tzin, K. Höflich, P. Mörk, T. Feichtner, and M.Y. Bashouti

Evolutionary Optimized, Monocrystalline Gold Double Wire Gratings as a Novel SERS Sensing Platform

Small, vol. 20, no. 35, pp. 2311937, doi:10.1002/smll.202311937 (2024).

J. Höpfner, F. Kühl, M. Schilling, A. Muhin, M. Guttmann, G. Hofmann, F. Römer, T. Wernicke, B. Witzigmann, and M. Kneissl

Unraveling carrier distribution in far-UVC LEDs by temperature-dependent electroluminescence measurements

Appl. Phys. Lett., vol. 125, no. 7, pp. 071109, doi:10.1063/5.0223284 (2024).

J. Würfl, T. Palacios, H. Grace Xing, Y. Hao, and M. Schubert

Special topic on Wide- and ultrawide-bandgap electronic semiconductor devices

Appl. Phys. Lett., vol. 125, no. 7, pp. 070401, doi:1063/5.0221783 (2024).

S. Haque, P. Beleniotis, H. Yazdani, M. Rudolph

Ka-Band GaN Power Amplifier with Integrated DC Supply Switch and RF Switch

25th International Microwave and Radar Conference (MIKON), Wroclaw, Poland, Jul. 1-4, ISBN 978-83-969726-1-3, pp. 1-5 (2024).

T.K. Johansen, F. Schnieder, B. Janke, O. Bengtsson, A. Wentzel, W. Heinrich

A Highly Linear Single-Balanced Resistive X-band MMIC Mixer in GaN HEMT Technology

25th International Microwave and Radar Conference (MIKON), Wroclaw, Poland, Jul. 1-4, ISBN 978-83-969726-1-3, pp. 22-25 (2024).

O. Anton, V.A. Henderson, E. Da Ros, I. Sekulic, S. Burger, P.-I. Schneider and M. Krutzik

Review and experimental benchmarking of machine learning algorithms for efficient optimization of cold atom experiments

Mach. Learn.: Sci. Technol., vol. 5, no. 2, pp. 025022, doi:10.1088/2632-2153/ad3cb6 (2024).

H. Halhoul, R.-S. Unger, F. Brunner and O. Hilt

Overlapping source field plate process module for high-voltage GaN HFETs with low off state leakage currents

Int. Conf. on Compound Semiconductor Manufacturing Technology (CS ManTech 2024), Tucson, USA, May 20-23, p. 2.1.4.2024 (2024).

E. Brusaterra, E. Bahat Treidel, A. Külberg, F. Brunner, M. Wolf and O. Hilt

Wafer Bow Tuning with Stealth Laser Patterning for Vertical High Voltage Devices with Thick GaN Epitaxy on Sapphire Substrates

Int. Conf. on Compound Semiconductor Manufacturing Technology (CS ManTech 2024), Tucson, USA, May 20-23, p. 4.1.4.2024 (2024).

H. Yazdani, H. Yacoub, A. Bassal, T. Moule, J. Wartena and O. Hilt

Subtractive WSiN thin film resistors for RF GaN and InP MMICs

Int. Conf. on Compound Semiconductor Manufacturing Technology (CS ManTech 2024), Tucson, USA, May 20-23, p. 11.1.4.2024 (2024).

S.A. Chevtchenko, I. Ostermay, S. Troppenz, J. Würfl, and O. Hilt

Defect Reduction and Yield Improvement of MIM Capacitors

Int. Conf. on Compound Semiconductor Manufacturing Technology (CS ManTech 2024), Tucson, USA, May 20-23, p. 11.2.1.2024 (2024).

J.M. Bopp, M. Plock, T. Turan, G. Pieplow, S. Burger, and T. Schröder

‘Sawfish’ Photonic Crystal Cavity for Near-Unity Emitter-to-Fiber Interfacing in Quantum Network Applications

Adv. Optical Mater., vol. 12, no. 13, pp. 2301286, doi:10.1002/adom.202301286 (2024).

S. Arslan, B. King, P. Della Casa, D. Martin, A. Thies, A. Knigge, and P. Crump

Efficient, High Power, Wide-Aperture Single Emitter Diode Lasers Emitting at 915 nm

IEEE Photonics Technol. Lett., vol. 36, no. 16, pp. 977-980 (2024).

M. Reggentin, O. Brox, P. Sammeta, P. Della Casa, C. Stölmacker, S. Wenzel, J.-P. Koester, H. Wenzel, and A. Knigge

High-power mode-hop-free tunable DFB laser at 780 nm

Electron. Lett., vol. 60, no. 13, pp. e13257, doi:10.1049/ell2.13257 (2024).

S. Paul, N. Wolff, T. Kuremyr, C. Delepaut, V. Valenta, W. Heinrich, and O. Bengtsson

A Compact L-Band Reverse-Type Envelope Tracking System

IEEE Trans. Microwave Theory Tech., vol. 72, no. 7, pp. 4068-4079 (2024).

M. Reggentin, P. Sammeta, O. Brox, P. Della. Casa, C. Stölmacker, J.-P. Koester, H. Wenzel, A. Knigge, and G. Tränkle

Mode-hop-free tunable high-power distributed feedback laser with adaptable rear facet phase shift section emitting at 780 nm

Opt. Lett., vol. 49, no. 13, pp. 3802-3805, doi:10.1364/OL.528223 (2024).

A. Quednau, B. Isik, C. Kalisch, K. Kunze

Mikro- und Nanotechnologien - Handlungsbedarfe & Lösungsansätze für die berufliche Bildung

Berufsbildung, vol. 78, no. 202, pp. 16-20 (2024).

P. Beleniotis, S. Krause, C. Zervos, and M. Rudolph

A Physics-Based Model for Slow Gate-Induced Electron Trapping in GaN HEMTs

IEEE Trans. Electron Devices, vol. 71, no. 7, pp. 4058-4065 (2024).

C. Netzel, S. Hagedorn, M. Schön, A. Knauer, F. Brunner and M. Weyers

Spatial correlation of defect-selective etching and dark luminescence spots in Al_xGa_1−xN

Semicond. Sci. Technol., vol. 39, no. 7, pp. 075014, doi:10.1088/1361-6641/ad5040 (2024).

P. Adamiec, J.M.G. Tijero, I. Esquivias, H. Wenzel, and B. Sumpf

Relative Intensity Noise in a Two-Section Distributed Bragg Reflector Tapered Laser

phys. stat. sol. (rrl), vol. 18, no. 6, pp. 2400018 (2024).

M.J. Miah, D. Martin, A. Ginolas, M. Elattar, P. Della Casa, S. Grützner, S. Strohmaier, A. Knigge, G. Tränkle, and P. Crump

Micro-structured lateral thermal lens for increased output power and narrowed beam divergence in kilowatt-class 9xx nm diode laser bars

Appl. Phys. Lett., vol. 124, no. 24, pp. 241104, doi:10.1063/5.0213829 (2024).

L. Kuen, L. Löffler, A. Tsarapkin, L. Zschiedrich, T. Feichtner, S. Burger, and K. Höflich

Chiral and directional optical emission from a dipole source coupled to a helical plasmonic antenna

Appl. Phys. Lett., vol. 124, no. 23, pp. 231102, doi:10.1063/5.0201748 (2024).

A. Tsarapkin, K. Maćkosz, C.S. Jureddy, I. Utke, and K. Höflich

Area-Selective Chemical Vapor Deposition of Gold by Electron Beam Seeding

Adv. Mater., vol. 36, no. 23, pp. 2313571, doi:10.1002/adma.202313571 (2024).

M. Wolf, F. Brunner, C. Last, H. Halhoul, D. Rentner, E. Bahat Treidel, J. Würfl, and O. Hilt

1.17 GW/cm² AlN-Based GaN-Channel HEMTs on Mono-Crystalline AlN Substrate

IEEE Electron Device Lett., vol. 45, no. 6, pp. 1048-1051 (2024).

P. Beleniotis, C. Zervos, S. Krause, S. Chevtchenko, D. Ritter, and M. Rudolph

Investigation of Traps Impact on PAE and Linearity of AlGaN/GaN HEMTs Relying on a Combined TCAD–Compact Model Approach

IEEE Trans. Electron Devices, vol. 71, no. 6, pp. 3582-3589 (2024).

M. Görlitz, L. Justen, P.J. Rochette, M. Buonanno, D. Welch, N.J. Kleiman, E. Eadie, S. Kaidzu, W.J. Bradshaw, E. Javorsky, N. Cridland, A. Galor, M. Guttmann, M.C. Meinke, J. Schleusener, P. Jensen, P. Söderberg, N. Yamano, C. Nishigori, P. O'Mahoney, D. Manstein, R. Croft, C. Cole, F.R. de Gruijl, P.D. Forbes, S. Trokel, J. Marshall, D.J. Brenner, D. Sliney, K. Esvelt

Assessing the safety of new germicidal far-UVC technologies

Photochem. Photobiol., vol. 100, no. 3, pp. 501–520 (2024).

C. Sicher, N. Opitz, P.E. Becker, N. Lobo Ploch, J. Schleusener, M. Kneissl, A. Kramer, P. Zwicker

Efficacy of 233 nm LED far UV-C-radiation against clinically relevant bacterial strains in the phase 2/ step 2 in vitro test on basis of EN 14561 and on an epidermis cell model

Microbes and Infection, vol. 26, no. 4, pp. 105320, doi:10.1016/j.micinf.2024.105320 (2024).

S. Abend, B. Allard, I. Alonso, J. Antoniadis, H. Araújo, ... M. Krutzik, et.al.

Terrestrial very-long-baseline atom interferometry: Workshop summary

AVS Quantum Sci., vol. 6, no. 2, pp. 024701, doi:10.1116/5.0185291 (2024).

M. Gündoğan, J.S. Sidhu, M. Krutzik, and D.K.L. Oi

Time-delayed single satellite quantum repeater node for global quantum communications

Optica Quantum, vol. 2, no 3, pp. 140-147, doi:10.1364/OPTICAQ.517495 (2024).

M. Radziunas, E. Kuhn and H. Wenzel

Solving a Spectral Problem for Large-Area Photonic Crystal Surface-Emitting Lasers

Math. Modell. Anal., vol. 29, no. 3, pp. 575-599, doi:10.3846/mma.2024.20496 (2024).

L. Becker, P. Storck, Y. Liu, G. Schwalb, T. Schroeder, I.A. Fischer and M. Albrecht

Optimizing misfit dislocation glide kinetics for enhanced threading dislocation density reduction in Si_1−xGe_x/Si(001) layers through dynamic growth rate control

J. Appl. Phys., vol. 135, no. 20, pp. 205303, doi: 10.1063/5.0204318 (2024).

B. King, S. Arslan, P. Della Casa, D. Martin, A. Boni, A. Thies, A. Knigge and P. Crump

High-efficiency and high-brightness broad area laser diodes with buried implantation current blocking

Phys. Scr., vol. 99, no. 5, pp. 055528, doi:10.1088/1402-4896/ad368a (2024).

J. Rass

UV LEDs go micro

Compound Semiconductor, vol. 30, no. 3, pp. 22-25 (2024).

A. Lux, M. Realini, A. Botteon, M. Maiwald, A. Müller, B. Sumpf, C. Miliani, P. Matousek, P. Strobbia and C. Conti

Advanced portable micro-SORS prototype coupled with SERDS for heritage science

Analyst, vol. 149, no. 8, pp. 2317-2327, doi:10.1039/d3an02215c (2024).

S. Kölle, F. Römer, G. Cardinali, A. Schulz, N. Susilo, D. Hauer Vidal, T. Wernicke, M. Kneissl, and B. Witzigmann

Optical Gain in AlGaN Quantum Wells: Impact of Higher Energy States

IEEE Photonics J., vol. 16, no. 2, art. 0601105, doi:10.1109/JPHOT.2024.3379231 (2024).

M. Radziunas, E. Kuhn, H. Wenzel, B. King, and P. Crump

Optical Mode Calculation in Large-Area Photonic Crystal Surface-Emitting Lasers

IEEE Photonics J., vol. 16, no. 2, art. 0601209, doi:10.1109/JPHOT.2024.3380532 (2024).

N. Ahmadi, S. Schwertfeger, P. Werner, L. Wiese, J. Lester, E. Da Ros, J. Krause, S. Ritter, M. Abasifard, C. Cholsuk, R.G. Krämer, S. Atzeni, M. Gündoğan, S. Sachidananda, D. Pardo, S. Nolte, A. Lohrmann, A. Ling, J. Bartholomäus, G. Corrielli, M. Krutzik, and T. Vogl

QUICK³ - Design of a Satellite-Based Quantum Light Source for Quantum Communication and Extended Physical Theory Tests in Space

Adv. Quantum Technol., vol. 7, no. 4, pp. 2300343 (2024).

A. Müller, J.-P. Koester, L.S. Theurer, J. Fricke, H. Wenzel, A. Knigge and B. Sumpf

Monolithically integrated multimode interference coupler-based master oscillator power amplifier with dual-wavelength emission around 830 nm

J. Phys. Commun., vol. 8, no. 4, pp. 045002, doi:10.1088/2399-6528/ad37ef (2024).

N. Kafi, S. Kang, C. Golz, A. Rodrigues-Weisensee, L. Persichetti, D. Ryzhak, G. Capellini, D. Spirito, M. Schmidbauer, A. Kwasniewski, C. Netzel, O. Skibitzki, and F. Hatami

Selective Growth of GaP Crystals on CMOS-Compatible Si Nanotip Wafers by Gas Source Molecular Beam Epitaxy

Cryst. Growth Des., vol. 24, no. 7, pp. 2724−2733, doi:10.1021/acs.cgd.3c01337 (2024).

N. Zainal, S. Hagedorn, C. Netzel, T. Kolbe, and M. Weyers

High-Temperature Annealing of Si-Doped AlGaN

phys. stat. sol. (a), vol. 221, no. 7, pp. 2300897, doi:10.1002/pssa.202300897 (2024).

T. Pregnolato, M.E. Stucki, J.M. Bopp, M.H. v.d. Hoeven, A. Gokhale, O. Krüger and T. Schröder

Fabrication of Sawfish photonic crystal cavities in bulk diamond

APL Photon., vol. 9, no. 3, pp. 036105, doi:10.1063/5.0186509 (2024).

M. Rudolph, P. Beleniotis, C. Zervos, U.L. Rohde, and C. Andrei

Determining GaN HEMT Trap Models from MHz Load-line Measurement — A Case Study

15th German Microwave Conference (GeMiC 2024), Duisburg, Germany, Mar 11-13, ISBN 978-3-9820397-3-2, pp. 29-32 (2024).

G. Blume, A. Müller, P. Hildenstein, N. Werner, A. Maaßdorf, D. Feise, S. Kreutzmann, A. Ginolas, A. Sahm, B. Sumpf, A. Knigge and K. Paschke

Hybrid semiconductor master-oscillator power-amplifiers with more than 5 W optical output power

Proc. of SPIE, vol. 12866, Components and Packaging for Laser Systems X, Photonics West, San Francisco, USA, Jan 27 - Feb 1, 128660H (2024).

H. Christopher, M. Beier, J.-P. Koester, J. Fricke, A. Ginolas, A. Liero, A. Maaßdorf, H. Wenzel, and A. Knigge

High brightness nanosecond-pulse operation of 905 nm distributed Bragg reflector tapered-ridge-waveguide lasers with multiple active regions

Proc. of SPIE, vol. 12867, High-Power Diode Laser Technology XXII, Photonics West, San Francisco, USA, Jan 27 - Feb 1, 1286703 (2024).

D. Feise, O. Senel, H. Wenzel, P. Della Casa, R.-St. Unger, J. Glaab, and K. Paschke

Distributed Bragg reflector tapered diode lasers emitting reliably more than 7 W at 1180 nm

Proc. of SPIE, vol. 12867, High-Power Diode Laser Technology XXII, Photonics West, San Francisco, USA, Jan 27 - Feb 1, 128670K (2024).

M. Wilkens, P.S. Basler, B. Eppich, J. Fricke, A. Ginolas, M. Hübner, P. Crump

High brightness pumps for fiber lasers based on monolithically grating stabilized diode lasers

Proc. of SPIE, vol. 12867, High-Power Diode Laser Technology XXII, Photonics West, San Francisco, USA, Jan 27 - Feb 1, 128670L (2024).

P. Crump and L.A. Gizzi

Diode pumps for future laser plasma accelerators: perspectives from research and industry

Proc. of SPIE, vol. 12867, High-Power Diode Laser Technology XXII, Photonics West, San Francisco, USA, Jan 27 - Feb 1, 128670R (2024).

B. King, S. Arslan, P. Della Casa, D. Martin, A. Boni, P.S. Basler, A. Thies, A. Knigge, and P Crump

Ultra-wide-aperture diode lasers with high brightness through use of buried periodic current structuring

Proc. of SPIE, vol. 12867, High-Power Diode Laser Technology XXII, Photonics West, San Francisco, USA, Jan 27 - Feb 1, 128670S (2024).

N. Werner, A. Sahm, D. Feise, M.-H. Chou, and K. Paschke

High-power micro-laser sources in the green spectral range with single-mode fiber output

Proc. of SPIE, vol. 12869, Nonlinear Frequency Generation and Conversion: Materials and Devices XXIII, Photonics West, San Francisco, USA, Jan 27 - Feb 1, 1286908 (2024).

L. Deriks, E. Bahat Treidel, E. Brandl, J. Bravin, E. Brusaterra, S. Danylyuk

Laser-lift-off of GaN-based transistors with an ultra-short-pulsed deep UV laser

Proc. of SPIE, vol. 12872, Laser Applications in Microelectronic and Optoelectronic Manufacturing (LAMOM) XXIX, Photonics West, San Francisco, USA, Jan 27 - Feb 1, 1287207 (2024).

F. Behlau, N. Surkamp, S. Wohlfeil, A. Knigge, M.R. Hofmann, C. Esen, and A. Ostendorf

Two-photon polymerization with a 780 nm monolithic diode laser

Proc. of SPIE, vol. 12876, Laser 3D Manufacturing XI, Photonics West, San Francisco, USA, Jan 27 - Feb 1, 1287604 (2024).

M. Maiwald, K. Sowoidnich, A. Müller, B. Sumpf

Portable Shifted Excitation Raman Difference Spectroscopy for Agri-Photonics: From On-Site Precision Agriculture to Smart Farming

Proc. of SPIE, vol. 12879, Photonic Technologies in Plant and Agricultural Science, Photonics West, San Francisco, USA, Jan 27 - Feb 1, 1287907 (2024).

C. De Santi, M. Fregolent, E. Brusaterra, K. Tetzner, J. Würfl, M. Buffolo, G. Meneghesso, E. Zanoni, M. Meneghini

Modeling of the gate leakage in MOSFETs with Al₂O₃/β-Ga₂O₃ gate stack

Proc. of SPIE, vol. 12887, Oxide-based Materials and Devices XV, Photonics West, San Francisco, USA, Jan 27 - Feb 1, 128870B (2024).

B. Sumpf, L. Wittenbecher, T. Filler, D. Bandke, M. Krichler, A. Müller, K. Sowoidnich, A. Ginolas, N. Lobo-Ploch, M. Maiwald

Versatile turnkey laser system operating multi-section diode lasers and diode laser systems in the VIS and NIR spectral range

Proc. of SPIE, vol. 12893, Photonic Instrumentation Engineering XI, Photonics West, San Francisco, USA, Jan 27 - Feb 1, 1289309 (2024).

S. Arslan, H. Wenzel, J. Fricke, A. Thies, A. Ginolas, G. Tränkle, P. Crump

A study into lateral and longitudinal spatial hole burning as a limit to CW output power in GaAs-based high-power diode lasers

Proc. of SPIE, vol. 12905, Novel In-Plane Semiconductor Lasers XXIII, Photonics West, San Francisco, USA, Jan 27 - Feb 1, 1290504 (2024).

A. Müller, L.S. Theurer, J.-P. Koester, M. Maiwald, J. Fricke, A. Knigge, B. Sumpf

Comparison of Y-branch and multimode interference coupler-based dual-wavelength light sources around 785 nm

Proc. of SPIE, vol. 12905, Novel In-Plane Semiconductor Lasers XXIII, Photonics West, San Francisco, USA, Jan 27 - Feb 1, 129050D (2024).

M. Meneghini, N. Roccato, F. Piva, M. Pilati, C. De Santi, M. Buffolo, N. Susilo, D. Hauer Vidal, A. Muhin, L. Sulmoni, J. Ruschel, J. Glaab, J. Rass, S. Einfeldt, T. Wernicke, M. Kneissl, G. Meneghesso, E. Zanoni

Defects, performance and reliability in UV-C LEDs

Proc. of SPIE, vol. 12906, Light-Emitting Devices, Materials, and Applications XXVIII, Photonics West, San Francisco, USA, Jan 27 - Feb 1, 129060C (2024).

J. Hirsch, M. Bursy, M. Gärtner, S. Gerken, N. Goossen-Schmidt, J. Hamperl, S. Hariharan, S. Kubitza, M. Müller, N. Müller, M. Schiemangk, C. Tyborski, D. Zou, and A. Wicht

Micro-integrated diode laser modules for operation in quantum technology applications

Proc. of SPIE, vol. 12912, Quantum Sensing, Imaging, and Precision Metrology II, Photonics West, San Francisco, USA, Jan 27 - Feb 1, 129120B (2024).

C. Mourikis, A. Sahm, P. Hildenstein, K. Paschke, and G. Tränkle

Miniaturizing a coherent beam combining system into a compact laser diode module

Appl. Opt., vol. 63, no. 9, pp. 2212-2217 (2024).

N. Zagni, M. Fregolent, G. Verzellesi, A. Marcuzzi, C. De Santi, G. Meneghesso, E. Zanoni, E. Bahat Treidel, E. Brusaterra, F. Brunner, O. Hilt, M. Meneghini, and P. Pavan

Correlating Interface and Border Traps With Distinctive Features of C–V Curves in Vertical Al₂O₃/GaN MOS Capacitors

IEEE Trans. Electron Devices, vol. 71, no. 3, pp. 1561-1566, doi:10.1109/TED.2023.3335032 (2024).

R. Barzel, M. Gündoğan, M. Krutzik, D. Rätzel, and C. Lämmerzahl

Entanglement dynamics of photon pairs and quantum memories in the gravitational field of the earth

Quantum, vol. 8, p. 1273, doi:10.22331/q-2024-02-29-1273 (2024).

L.S. Theurer, J.-P. Koester, A. Müller, M. Maiwald, A. Knigge, B. Sumpf and G. Tränkle

Quantification of losses in bent waveguides within DBR-RW laser diodes emitting at 785 nm

Semicond. Sci. Technol., vol. 39, no. 3, pp. 035009, doi:10.1088/1361-6641/ad26a6 (2024).

F. Mauerhoff, H. Wenzel, A. Maaßdorf, D. Martin, K. Paschke, G. Tränkle

Optimization of high power AlGaInP laser diodes at 626 nm

Opt. Quant. Electron., vol. 56, no. 3, art. 419, doi:10.1007/s11082-023-06028-5 (2024).

B. Sumpf, L. Wittenbecher, T. Filler, D. Bandke, M. Krichler, A. Müller, K. Sowoidnich, A. Ginolas, U. Winterwerber, and M. Maiwald

Compact turnkey system for multi-contact diode lasers for portable spectroscopic applications

Instrum. Sci. Technol., vol. 52, no. 2, pp. 138-150, doi:10.1080/10739149.2023.2223659 (2024).

P. Crump, C. Londoño, F. Gunning

Guest Editorial Special Issue on Globalization in Photonics

IEEE Photonics J., vol. 16, no. 1, art no. 0200101, doi:10.1109/JPHOT.2023.3340104 (2024).

L. Tadmor, S.S.T. Vandenbroucke, E. Bahat Treidel, E. Brusaterra, P. Plate, N. Volkmer, F. Brunner, C. Detavernier, J. Würfl, and O. Hilt

Investigation of atomic layer deposition methods of Al₂O₃ on n-GaN

J. Appl. Phys., vol. 135, vol. 8, pp. 085701, doi:10.1063/5.0189543 (2024).

S. Hagedorn, T. Kolbe, G. Schmidt, F. Bertram, C. Netzel, A. Knauer, P. Veit, J. Christen, and M. Weyers

Origin of the parasitic luminescence of 235 nm UVC LEDs grown on different AlN templates

Appl. Phys. Lett., vol. 124, no. 6, pp. 063506, doi:10.1063/5.0183772 (2024).

H. Yazdani, A. Thies, P. Stützle, O. Bengtsson, O. Hilt, W. Heinrich and J. Würfl

Low-resistive gate module for RF GaN-HFETs by electroplating

Semicond. Sci. Technol., vol. 39, no. 2, pp. 025007, doi:10.1088/1361-6641/ad1b16 (2024).

C. Schulze, M. Mengozzi, G.P. Gibiino, A.M. Angelotti, C. Florian, A. Santarelli, W. Heinrich, and O. Bengtsson

A VNA-Based Wideband Measurement System for Large-Signal Characterization of Multiport Circuits

IEEE Trans. Microwave Theory Tech., vol. 72, no. 1, pp. 638-647 (2024).

F. Kuschewski, J. Wüst, M. Oswald, T. Blomberg, M. Gohlke, J. Bischof, A. Boac, T. Alam, A. Bußmeier, K. Abich, N. Röder, K. Döringshoff, J. Hrabina, M. Holá, J. Oulehla, T. Schuldt, C. Braxmaier

COMPASSO mission and its iodine clock: outline of the clock design

GPS Solut., vol. 28, art. 10, doi:10.1007/s10291-023-01551-0 (2024).

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