Photonic Components for Quantum Technologies – QuantumFrontiers

Development of photonic components like laser diodes and integrated optics for applications in quantum technologies.

Contributions to QuantumFrontiers

Development of blue laser diodes with low linewidths and high stabilities for quantum computing by trapped ions
Design and fabrication of vertical emitting lasers like VCSELs and PCSELs with advanced coherence control, particularly in the UV/blue spectral region
Design and manufacturing of Photonic Integrated Circuits and applying these for light control in quantum systems
Development of microLEDs for various applications like chip-based microscopy and gas detection
MicroLED arrays and their hybrid integration with CMOS backplanes for sensing applications as well as for optical neuromorphic computing

Collaborative Innovation

FIB and TEM characterisation of epitaxial material for nano light sources (TG Electron Microscopy)
Electron beam lithography e.g. for photonic crystals, Bragg gratings and passive/active integrated photonic components on chip (Thomas Weimann, PTB)
Integration of µLED arrays with CMOS backplanes to control large arrays with high densities and small pixel sizes and pitches (Issakov, Waag TU Braunschweig)
Integration of laser diodes and integrated photonic circuits (PICs) for controlling light on a chip (Kroker TUBS, Mehlstäubler PTB, Waag TUBS)
Development of tunable and active metasurfaces for control of EM energy at the nanoscale (Kroker TUBS)
Laser printing of nanoparticles for the realization of novel micro-optomechanical devices (Chichkov LUH)

Cooperations

Zukunftscluster

QVLS-iLabs

Nitride Technology Center

ERC

MightyMirrors

Topical Group

Novel Micro-Optomechanical Mirrors

Topical Group

TrapFab (Atomic Quantum Systems)

Topical Group

Electron Microscopy

Scientific Output

Publications

Bockhorn L, Appiah J, Kakuschke H, Thole L, Ukolov D, Lemmens P et al. Strain Effects in Bernal-Stacked Multi-Layer Graphene. ACS Applied Electronic Materials. 2025 May 27;7(10):4443-4449. Epub 2025 May 6. doi: 10.1021/acsaelm.5c00193

Wolter S, Agluschewitsch V, Wolter S, Lüßmann F, Margenfeld C, Schöttler G et al. Strategies for modifying the sidewall properties of InGaN/GaN micro-LEDs analyzed by the impact of the sidewall on charge carrier distribution and cathodoluminescence. Journal of applied physics. 2025 Aug 14;138(6):065702. doi: 10.1063/5.0282135

Hoormann M, Lüßmann F, Margenfeld C, Ronning C, Meierhofer F, Waag A. Electrochemical Etching of Nitrogen Ion-Implanted Gallium Nitride – A Route to 3D Nanoporous Patterning. Physica Status Solidi (B) Basic Research. 2024 Nov;261(11):2400067. Epub 2024 Apr 16. doi: 10.1002/pssb.202400067

Ma T, Fahrbach M, Xu J, Anang FEB, Vergin M, Meierhofer F et al. Imaging the mechanical properties of nanowire arrays. tm - Technisches Messen. 2024 May 27;91(5):268-279. Epub 2024 Apr 16. doi: 10.1515/teme-2023-0159

Manglano Clavero I, Margenfeld C, Hartmann J, Waag A. Reshaping of 3D GaN Structures during Annealing: Phenomenological Description and Mathematical Model. Crystal Growth and Design. 2024 Jan 3;24(1):279-292. Epub 2023 Nov 28. doi: 10.1021/acs.cgd.3c01023

Wolter S, Bornemann S, Waag A. The impact of laser lift-off with sub-ps pulses on the electrical and optical properties of InGaN/GaN light-emitting diodes. Journal of applied physics. 2024 Jan 28;135(4):045702. doi: 10.1063/5.0181278

Manglano Clavero I, Margenfeld C, Hartmann J, Waag A. Facet Control and Material Redistribution in GaN Growth on Three-Dimensional Structures. Crystal Growth and Design. 2023 Jan 4;23(1):263-272. Epub 2022 Dec 22. doi: 10.1021/acs.cgd.2c00989

Peters L, Spende H, Wolter S, Margenfeld C, Ronning C, Voss T et al. A Combination of Ion Implantation and High-Temperature Annealing: Donor–Acceptor Pairs in Carbon-Implanted AlN. Physica Status Solidi (A) Applications and Materials Science. 2023 Aug 18;220(16):2200809. Epub 2023 Feb 14. doi: 10.1002/pssa.202200809

Peters L, Sergeev D, Margenfeld C, Müller M, Waag A. Sublimation behavior of AlN in nitrogen and argon at conditions used for high-temperature annealing. Journal of applied physics. 2023 Jun 21;133(23):235704. doi: 10.1063/5.0152054

Bondza S, Lisdat C, Kroker S, Leopold T. Two-Color Grating Magneto-Optical Trap for Narrow-Line Laser Cooling. Physical review applied. 2022 Apr 1;17(4):044002. doi: 10.1103/physrevapplied.17.044002

Bornemann S, Meyer T, Voss T, Waag A. Ablation threshold of GaN films for ultrashort laser pulses and the role of threading dislocations as damage precursors. Optics Express. 2022 Dec 19;30(26):47744-47760. 471111. Epub 2022 Dec 15. doi: 10.1364/OE.471111

Käseberg T, Grundmann J, Siefke T, Klapetek P, Valtr M, Kroker S et al. Mueller Matrix Ellipsometric Approach on the Imaging of Sub-Wavelength Nanostructures. Frontiers in Physics. 2022 Jan 21;9:814559. doi: 10.3389/fphy.2021.814559

Manglano Clavero I, Margenfeld C, Quatuor J, Spende H, Peters L, Schwarz UT et al. Gradients in Three-Dimensional Core–Shell GaN/InGaN Structures: Optimization and Physical Limitations. ACS Applied Materials Interfaces. 2022 Feb 23;14(7):9272–9280. Epub 2022 Feb 9. doi: 10.1021/acsami.1c19490

Neto LS, Dickmann J, Kroker S. Deep learning assisted design of high reflectivity metamirrors. Optics express. 2022 Jan 3;30(2):986-994. doi: 10.1364/OE.446442

Spende H, Margenfeld C, Waag A. AlGaN Microfins as Nonpolar UV Emitters Probed by Time-Resolved Cathodoluminescence. ACS PHOTONICS. 2022 May 18;9(5):1594-1604. Epub 2022 Apr 13. doi: 10.1021/acsphotonics.1c01794

Bornemann S, Gulink J, Moro V, Gil JC, Wolter S, Schottler G et al. Processing and characterization of monolithic passive-matrix GaN-based MicroLED arrays with pixel sizes from 5 to 50 μm. IEEE photonics journal. 2021 Aug 20;13(5):8200209 . doi: 10.1109/JPHOT.2021.3106584

Chichkov NB, Evlyukhin AB, Chichkov BN. Massive surface-plasmon polaritons. Nanophotonics. 2021 Oct 2;10(14):3777-3778. Epub 2021 Sept 9. doi: 10.1515/nanoph-2021-0293

Chichkov NB, Chichkov BN. On the origin of photon mass, momentum, and energy in a dielectric medium [Invited]. Optical materials express. 2021 Aug;11(8):2722-2729. Epub 2021 Jul 27. doi: 10.1364/OME.436306

Gulkin DN, Popkova AA, Afinogenov BI, Shilkin DA, Kuršelis K, Chichkov BN et al. Mie-driven directional nanocoupler for Bloch surface wave photonic platform. Nanophotonics. 2021 Sept;10(11):2939-2947. Epub 2021 Aug 16. doi: 10.1515/nanoph-2021-0295

Kluczyk-Korch K, Moreno S, Canals J, Diéguez A, Gülink J, Hartmann J et al. Individually Switchable InGaN/GaN Nano-LED Arrays as Highly Resolved Illumination Engines. Electronics. 2021 Jul 30;10(15):1829. doi: 10.3390/electronics10151829

Wolter S, Spende H, Gülink J, Hartmann J, Wehmann HH, Waag A et al. Size-dependent electroluminescence and current-voltage measurements of blue ingan/gan µleds down to the submicron scale. Nanomaterials. 2021;11(4):836. doi: 10.3390/nano11040836

Yulianto N, Kadja GTM, Bornemann S, Gahlawat S, Majid N, Triyana K et al. Ultrashort Pulse Laser Lift-Off Processing of InGaN/GaN Light-Emitting Diode Chips. ACS Applied Electronic Materials. 2021 Feb 23;3(2):778-788. doi: 10.1021/acsaelm.0c00913

Yulianto N, Refino AD, Syring A, Majid N, Mariana S, Schnell P et al. Wafer-scale transfer route for top–down III-nitride nanowire LED arrays based on the femtosecond laser lift-off technique. Microsystems and Nanoengineering. 2021 Dec;7(1):32. doi: 10.1038/s41378-021-00257-y

Bezshlyakh DD, Spende H, Weimann T, Hinze P, Bornemann S, Gülink J et al. Directly addressable GaN-based nano-LED arrays: fabrication and electro-optical characterization. Microsystems and Nanoengineering. 2020 Dec 1;6(1):88. doi: 10.1038/s41378-020-00198-y

Evlyukhin AB, Tuz VR, Volkov VS, Chichkov BN. Bianisotropy for light trapping in all-dielectric metasurfaces. Physical Review B. 2020 May 13;101(20):205415. doi: 10.1103/PhysRevB.101.205415

Evlyukhin AB, Matiushechkina M, Zenin VA, Heurs M, Chichkov B. Lightweight metasurface mirror of silicon nanospheres [Invited]. Optical materials express. 2020 Sept 30;10(10):2706-2716. doi: 10.1364/OME.409311, 10.15488/11391

Kaseberg T, Siefke T, Kroker S, Bodermann B. Inverted plasmonic lens design for nanometrology applications. Measurement science and technology. 2020 Jul;31(7):074013. doi: 10.1088/1361-6501/ab7e6b

Krieg L, Meierhofer F, Gorny S, Leis S, Splith D, Zhang Z et al. Toward three-dimensional hybrid inorganic/organic optoelectronics based on GaN/oCVD-PEDOT structures. Nature Communications. 2020 Dec 1;11(1):5092. doi: 10.1038/s41467-020-18914-7

Siefke T, Hurtado CBR, Dickmann J, Dickmann W, Käseberg T, Meyer J et al. Quasi-bound states in the continuum for deep subwavelength structural information retrieval for DUV nano-optical polarizers. Optics express. 2020 Aug 3;28(16):23122-23132. Epub 2020 Jul 20. doi: 10.1364/OE.396044

Spende H, Margenfeld C, Meyer T, Clavero IM, Bremers H, Hangleiter A et al. Plasma profiling time-of-flight mass spectrometry for fast elemental analysis of semiconductor structures with depth resolution in the nanometer range. Semiconductor Science and Technology. 2020;35(3):035006. doi: 10.1088/1361-6641/ab6ac0

Tillner N, Frankerl C, Nippert F, Davies MJ, Brandl C, Lösing R et al. Point Defect-Induced UV-C Absorption in Aluminum Nitride Epitaxial Layers Grown on Sapphire Substrates by Metal-Organic Chemical Vapor Deposition. Physica Status Solidi (B) Basic Research. 2020 Dec;257(12):2000278. doi: 10.1002/pssb.202000278

Tuniz A, Bickerton O, Diaz FJ, Käsebier T, Kley EB, Kroker S et al. Modular nonlinear hybrid plasmonic circuit. Nature Communications. 2020 Dec 1;11(1):2413. doi: 10.1038/s41467-020-16190-z

Weituschat LM, Dickmann W, Guimbao J, Ramos D, Kroker S, Postigo PA. Photonic and thermal modelling of microrings in silicon, diamond and GaN for temperature sensing. Nanomaterials. 2020 May;10(5):934. doi: 10.3390/nano10050934

Zenin VA, Garcia-Ortiz CE, Evlyukhin AB, Yang Y, Malureanu R, Novikov SM et al. Engineering Nanoparticles with Pure High-Order Multipole Scattering. ACS PHOTONICS. 2020 Feb 28;7(4):1067-1075. doi: 10.1021/acsphotonics.0c00078

Wasisto HS, Prades JD, Gülink J, Waag A. Beyond solid-state lighting: Miniaturization, hybrid integration, and applications of GaN nano-and micro-LEDs. Applied physics reviews. 2019 Dec;6(4). doi: 10.1063/1.5096322

TG Members

Involved Members and their Relevant Expertise

Members	Institution	Relevant Expertise
Jana Hartmann, Leader	TUBS	Structured Illumination at the Nanoscale; Epitaxy of III-nitride based LEDs and laser diodes; Design and fabrication of PICs
Andreas Waag	TUBS	Coherent Light Field Control; Nanophotonics for Atom and Ion Manipulation; Hybrid integration of GaN LEDs with conductive substrates; Epitaxy of III-nitride based LEDs and laser diodes; Processing to nano- and µLEDs (arrays) and laser diodes; Design and fabrication of PICs; System integration like guiding of light on the chip, housing and software
Stefanie Kroker	PTB / TUBS	Complex Coupled High Index Waveguide Arrays ; Photonic Nanomaterials in the Strong Optomechanical Coupling Regime; Theory and fabrication of metasurface mirrors; Characterisation of nano light sources; Simulation and design of PICs
Markus Etzkorn	TUBS	Advancing TEM Characterization; Characterisation of nano light sources
Boris Chichkov	LUH	Nanoscale Materials Processing; Processing to nano- and µLEDs (arrays) and laser diodes; Characterisation of nano light sources; Theory and fabrication of metasurface mirrors
Tanja Mehlstäubler	PTB	Precision measurements; Integrated ion trap technology; Simulation and design of PICs
Ernst M. Rasel	LUH	Quantum Gravimeters; Atom-Chip Based Gravimeters and Inertial Sensors
Vadim Issakov	TUBS	Integrated Circuits; CMOS, Packaging of high frequency electronics;; Hybrid integration of Nitride based chips with CMOS microelectronics
Stefan Wolter	TUBS	µLEDs, electro-optical characterisation
Georg Jacob Schöttler	TUBS	µLEDs, Hybrid Integration
Liam Shelling-Neto	TUBS	Deep Learning, Nanophotonic systems
Silke Wolter	TUBS	Processing of optical components in the µm scale
Anastasiia Lüßmann-Sorokina	TUBS	Optical simulations, waveguides, light-outcoupling systems, optics for ion traps quantum computers
Carl-Frederik Grimpe	PTB	Photonic Integrated Circuits
Guochun Du	PTB	Photonic Integrated Circuits
Markus Kromrey	PTB	Photonic Integrated Circuits
Arstan Bisianov	TUBS	Design of optical components
Frederik Lüssmann	TUBS	VCSEL development
Robert Kraneis	TUBS	Neuromorphic computing
Julian Kassmann	TUBS	DFB laser development
Maximilian Müller	TUBS	Neuromorphic computing
Maximilian Vergin	TUBS	Hybrid Integration for optical components
Florian Meierhofer	TUBS	Hybrid Integration for optical components
Steffen Sauer	TUBS	Photonic Integrated Circuits
Vladislav Agluschewitsch	TUBS	Coherent Light Field Control
Simon Spelthann	RUB	Nanoparticle Spectroscopy, Optical Fiber Technology
Agus Budi Dharmawan	TUBS	System integration of optical components
Karl Kreuzer	TUBS
Gabor Fangmann	TUBS
Daniel Stoll	TUBS
Nithin Anujan Beena	TUBS
Christian Groß	TUBS
Jens Kibgies	TUBS

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