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Nature Communications|February 17, 2021
Optoelectronic frequency-modulated continuous-wave terahertz spectroscopy with 4 THz bandwidthLars Liebermeister, Simon Nellen, Robert B Kohlhaas, et al.
Optics Letters|November 2, 2018
Improving the dynamic range of InGaAs-based THz detectors by localized beryllium doping: up to 70  dB at 3  THzRobert B Kohlhaas, Roman J B Dietz, Steffen Breuer, et al.
Optics Express|October 13, 2022
Photonic integrated circuit with sampled grating lasers fabricated on a generic foundry platform for broadband terahertz generationMoon-Hyeok Lee, Simon Nellen, Francisco Soares, et al.
Optics Letters|November 15, 2016
Fiber-coupled transceiver for terahertz reflection measurements with a 4.5  THz bandwidthBjörn Globisch, Roman J B Dietz, Robert B Kohlhaas, et al.
Optics Express|October 13, 2022
Ultrabroadband terahertz time-domain spectroscopy using III-V photoconductive membranes on siliconRobert B Kohlhaas, Steffen Breuer, Sven Mutschall, et al.
Optics Express|April 6, 2021
Radiation pattern of planar optoelectronic antennas for broadband continuous-wave terahertz emissionSimon Nellen, Sebastian Lauck, Garrit Schwanke, et al.
Optics Express|August 9, 2017
Terahertz quasi time-domain spectroscopy based on telecom technology for 1550 nmRobert B Kohlhaas, Arno Rehn, Simon Nellen, et al.
Sensors (Basel, Switzerland)|May 8, 2020
Fiber Coupled Transceiver with 6.5 THz Bandwidth for Terahertz Time-Domain Spectroscopy in Reflection GeometryRobert B Kohlhaas, Lars Liebermeister, Steffen Breuer, et al.
Optics Express|November 22, 2024
Continuous wave THz receivers with rhodium-doped InGaAs enabling 132 dB dynamic rangeMilan Deumer, Steffen Breuer, Shaffi Berrios, et al.
Optics Express|December 16, 2022
Photonic-enabled beam steering at 300 GHz using a photodiode-based antenna array and a polymer-based optical phased arraySimon Nellen, Tianwen Qian, Garrit Schwanke, et al.
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