Robert B. Kohlhaas

Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute — Germany

Engineering · Physical Sciences

18h-index1.2kcitations146works2.32yr avg
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Research Topics

Terahertz technology and applications(102), Photonic and Optical Devices(98), Spectroscopy and Laser Applications(49), Superconducting and THz Device Technology(39), Advanced Photonic Communication Systems(24)

Publications146 total

Ultra-stable 50 GHz high peak power colliding-pulse mode-locked lasers with spot size converter
Optics Express·2026Open Access
Rhodium-Doped Quantum Photoconductor with High Carrier Mobility > 3300 cm2/Vs and Eightfold Resistivity Enhancement via Co-Doping with Ruthenium
Journal of Infrared Millimeter and Terahertz Waves·2025Open Access
Terahertz photonic heterodyne spectral analysis with (sub-) kHz resolution and 6.5 THz frequency coverage
Nature Communications·2025Open Access
Characterization of D- and Y-Band Filters with a Photonic THz System Continuously Tunable from 130 to 510 GHz
2025
SAID Fiber-Antenna Radio Head at 50 GHz
2025
Fully Photonic Wireless Link Operating Between 100 and 600 GHz with Up to 90 Gbit/s Line Rate
2025
Point-to-Multipoint Wireless Communication at 100 GHz with a Photonic Switched-Beam Transmitter
2025
Agile Sub-Terahertz to Terahertz Broadband Time-Domain Photonic Channel Sounder
2025
Analysis of Weather-Related Link Availabilities for Fiber-Integrated THz-Wireless Transmission Systems
Journal of Lightwave Technology·2025Open Access
Ultrafast Photoconductors for 1030 nm Excitation based on MBE-Grown, Transition Metal-Doped InGaAlAs
2025
Subterahertz Photonic Switched-Beam Antenna With Up to 60° Tilt
IEEE Transactions on Terahertz Science and Technology·2025· 1 cited
Experimental Characterization of Photodiode Transmitters for Probabilistically Shaped High-Speed THz Wireless Transmission
Journal of Lightwave Technology·2025· 1 citedOpen Access
CW Terahertz Spectroscopy of Heavy-Metal-Induced Alterations in Arabidopsis halleri
Journal of Infrared Millimeter and Terahertz Waves·2025Open Access
Rh-doped, InGaAs-based Quantum-Photoconductor with Superior Carrier Mobility-Lifetime Trade-off for THz Time-Domain Spectroscopy
Journal of Infrared Millimeter and Terahertz Waves·2025· 1 citedOpen Access
Ultra-Broadband Photonic Receiver for (Sub-) THz Communication Between 100 and 600 GHz Enabling Line Rates Up to 84 Gbit/s
IEEE Transactions on Terahertz Science and Technology·2025
Sparse Terahertz Frequency-Domain Sensing with Kilohertz Measurement Rate
Journal of Infrared Millimeter and Terahertz Waves·2025· 1 citedOpen Access
Integrated optical frequency combs for continuous-wave terahertz generation
2025
Photonic Integrated Frequency-Domain Terahertz Spectrometer
2025
Versatile SESAM Platform for 1560 nm Operation Based on Strain-Free, InP-based MBE Growth
2025
Hybrid Photonic Integrated Circuits for Wireless Transceivers
Photonics·2025· 6 citedOpen Access
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Frequent Co-authors

Lars Liebermeister(35), Simon Nellen(34), Martin Schell(33), Björn Globisch(31), Milan Deumer(20), Steffen Breuer(20), Sebastian Lauck(10), Garrit Schwanke(6), Lauri Schwenson(6), M. P. Semtsiv(5), W. T. Masselink(5), R. J. B. Dietz(4), Martín Koch(4), Nico Vieweg(4), Shahram Keyvaninia(4), David de Felipe(4), Thorsten Göbel(3), Jan C. Balzer(3), Martin Schell(3), Konstantin Wenzel(3)