Search Results - "Globisch, Bjoern"

Coherent Wireless Link at 300 GHz With 160 Gbit/s Enabled by a Photonic Transmitter by Nellen, Simon, Lauck, Sebastian, Peytavit, Emilien, Szriftgiser, Pascal, Schell, Martin, Ducournau, Guillaume, Globisch, Bjoern

“…The increasing demand for high-capacity wireless communication requires data links at millimeter waves and terahertz frequencies, respectively. At those…”
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Continuous wave terahertz receivers with 4.5 THz bandwidth and 112 dB dynamic range by Deumer, Milan, Breuer, Steffen, Kohlhaas, Robert, Nellen, Simon, Liebermeister, Lars, Lauck, Sebastian, Schell, Martin, Globisch, Björn

“…We present photomixers made of iron doped indium gallium arsenide (InGaAs:Fe) as broadband receivers in optoelectronic continuous wave (cw) terahertz (THz)…”
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Radiation pattern of planar optoelectronic antennas for broadband continuous-wave terahertz emission by Nellen, Simon, Lauck, Sebastian, Schwanke, Garrit, Deumer, Milan, Kohlhaas, Robert B, Liebermeister, Lars, Schell, Martin, Globisch, Bjoern

“…In future wireless communication networks at terahertz frequencies, the directivity and the beam profile of the emitters are highly relevant since no…”
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Ultrabroadband terahertz time-domain spectroscopy using III-V photoconductive membranes on silicon by Kohlhaas, Robert B., Breuer, Steffen, Mutschall, Sven, Kehrt, Mathias, Nellen, Simon, Liebermeister, Lars, Schell, Martin, Globisch, Björn

“…Electromagnetic waves in the terahertz (THz) frequency range are widely used in spectroscopy, imaging and sensing. However, commercial, table-top systems…”
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Characterisation of multi-layered structures using a vector-based gradient descent algorithm at terahertz frequencies by Mukherjee, Amlan Kusum, Wassmann, Sven, Wenzel, Konstantin, Globisch, Björn, Kohlhaas, Robert, Liebermeister, Lars, Preu, Sascha

“…Material characterisation and imaging applications using terahertz radiation have gained interest in the past few years due to their enormous potential for…”
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Photonic integrated circuit with sampled grating lasers fabricated on a generic foundry platform for broadband terahertz generation by Lee, Moon-Hyeok, Nellen, Simon, Soares, Francisco, Moehrle, Martin, Rehbein, Wolfgang, Baier, Moritz, Globisch, Bjoern, Schell, Martin

“…We demonstrate a monolithically integrated photonic integrated circuit (PIC) for terahertz spectroscopy with wide spectral bandwidth. The PIC includes two…”
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Influence and adjustment of carrier lifetimes in InGaAs/InAlAs photoconductive pulsed terahertz detectors: 6 THz bandwidth and 90dB dynamic range by Dietz, Roman J B, Globisch, Björn, Roehle, Helmut, Stanze, Dennis, Göbel, Thorsten, Schell, Martin

“…We investigate the influence of Beryllium (Be) doping on the performance of photoconductive THz detectors based on molecular beam epitaxy (MBE) of low…”
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64  μ W pulsed terahertz emission from growth optimized InGaAs/InAlAs heterostructures with separated photoconductive and trapping regions by Dietz, Roman J. B., Globisch, Björn, Gerhard, Marina, Velauthapillai, Ajanthkrishna, Stanze, Dennis, Roehle, Helmut, Koch, Martin, Göbel, Thorsten, Schell, Martin

“…We present results on optimized growth temperatures and layer structure design of high mobility photoconductive Terahertz (THz) emitters based on molecular…”
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Photonic-enabled beam steering at 300 GHz using a photodiode-based antenna array and a polymer-based optical phased array by Nellen, Simon, Qian, Tianwen, Schwanke, Garrit, Lauck, Sebastian, de Felipe, David, Kleinert, Moritz, Deumer, Milan, Liebermeister, Lars, Baier, Moritz, Globisch, Bjoern, Keil, Norbert, Kohlhaas, Robert B, Schell, Martin

“…For wireless networks beyond 5G, directivity and reconfigurability of antennas are highly relevant. Therefore, we propose a linear antenna array based on…”
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Ultra-fast, High-Bandwidth Coherent cw THz Spectrometer for Non-destructive Testing by Liebermeister, Lars, Nellen, Simon, Kohlhaas, Robert, Breuer, Steffen, Schell, Martin, Globisch, Björn

“…Continuous wave THz (cw THz) systems define the state-of-the-art in terms of spectral resolution in THz spectroscopy. Hitherto, acquisition of broadband…”
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Second Harmonic Generation in Polymer Photonic Integrated Circuits by Conradi, Hauke, Hakmi, Almontaserbillah, Kleinert, Moritz, Liebermeister, Lars, de Felipe, David, Weigel, Madeleine, Kresse, Martin, Zawadzki, Crispin, Globisch, Bjorn, Keil, Norbert, Freund, Ronald, Schell, Martin

“…Second harmonic generation is an efficient way to create coherent radiation at wavelengths that are not accessible with standard laser sources. In this work we…”
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Extreme Ultra‐Wideband Optoelectronic Frequency‐Modulated Continuous‐Wave Terahertz Radar by Mohammadzadeh, Shiva, Keil, Andreas, Kocybik, Michael, Schwenson, Lauri Maximilian, Liebermeister, Lars, Kohlhaas, Robert, Globisch, Björn, von Freymann, Georg, Seewig, Jörg, Friederich, Fabian

“…A novel photonic terahertz measurement system based on a frequency‐modulated continuous‐wave (FMCW) radar approach is presented. In previous works, fast…”
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Increasing the THz-QTDS Bandwidth from 1.7 to 2.5 THz Through Optical Feedback by Rehn, Arno, Kohlhaas, Robert, Globisch, Björn, Balzer, Jan C.

“…We demonstrate that the bandwidth of a terahertz (THz) quasi time-domain spectroscopy (QTDS) system can be increased by controlled optical feedback into the…”
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Beam Profile Characterisation of an Optoelectronic Silicon Lens-Integrated PIN-PD Emitter between 100 GHz and 1 THz by Smith, Jessica, Naftaly, Mira, Nellen, Simon, Globisch, Björn

“…Knowledge of the beam profiles of terahertz emitters is required for the design of terahertz instruments and applications, and in particular for designing…”
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Investigating the Layer Structure and Insect Tunneling on a Wooden Putto Using Robotic-Based THz Tomography by Stubling, Eva-Maria, Staats, Naja-Anissa, Globisch, Bjorn, Schell, Martin, Portsteffen, Hans D., Koch, Martin

“…The restoration of an art object should be as minimal as possible but also as much as necessary. A previous accurate analysis of the object is therefore…”
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High-Power Lensless THz Imaging of Hidden Objects by Mansourzadeh, Samira, Damyanov, Dilyan, Vogel, Tim, Wulf, Frank, Kohlhaas, Robert B., Globisch, Bjorn, Schultze, Thorsten, Hoffmann, Martin, Balzer, Jan C., Saraceno, Clara J.

“…The potential of pulsed THz radiation for time-of-flight imaging applications is well recognized. However, advances in this field are currently severely…”
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Photonic THz mixers based on iron-doped InGaAs embedded in a plasmonic microcavity by Tannoury, Charbel, Merupo, Victor, Di Gioia, Giuseppe, Avramovic, Vanessa, Troadec, David, Lampin, Jean-François, Ducournau, Guillaume, Breuer, Steffen, Globisch, Björn, Barbieri, Stefano, Kohlhaas, Robert B., Peytavit, Emilien

“…We present an optoelectronic mixer for the terahertz (THz) frequency-domain based on an iron-doped InGaAs layer integrated in a plasmonic microcavity. We show…”
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Multilayer Thickness Determination Using Continuous Wave THz Spectroscopy by Stanze, Dennis, Globisch, Bjorn, Dietz, Roman J. B., Roehle, Helmut, Gobel, Thorsten, Schell, Martin

“…We present a multilayer thickness measurement system based on optoelectronic continuous wave THz spectroscopy. Due to its wide tuning range, high frequency…”
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Photoconductive Terahertz Near-Field Detectors for Operation With 1550-nm Pulsed Fiber Lasers by Sawallich, Simon, Globisch, Bjorn, Matheisen, Christopher, Nagel, Michael, Dietz, Roman J. B., Gobel, Thorsten

“…We present a new generation of photoconductive (PC) terahertz (THz) near-field probes based on freestanding Beryllium-doped low-temperature-grown InGaAs/InAlAs…”
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32 GBd 16QAM Wireless Transmission in the 300 GHz Band using a PIN Diode for THz Upconversion by Castro, Carlos, Nellen, Simon, Elschner, Robert, Sackey, Isaac, Emmerich, Robert, Merkle, Thomas, Globisch, Bjorn, de Felipe, David, Schubert, Colja

“…We demonstrate THz wireless transmission of 32 GBd QPSK and 16QAM signals using a broadband PIN photodiode. Using an electronic THz receiver operating at 300…”
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