@inproceedings{58227, author = {{Brockmeier, Jan and Kruse, Stephan and Scheytt, J. Christoph}}, booktitle = {{German Microwave Conference 2025}}, location = {{Dresden}}, title = {{{A Mach-Zehnder-Modulator based FMCW Lidar Emulator in C-Band}}}, year = {{2025}}, } @inproceedings{58232, author = {{Kruse, Stephan and Brockmeier, Jan and Schwabe, Tobias and Scheytt, J. Christoph}}, location = {{Dresden}}, title = {{{A Visible Light FMCW Lidar System Based on LEDs}}}, year = {{2025}}, } @inproceedings{58231, author = {{Kruse, Stephan and Surendranath Shroff, Vijayalakshmi and Bahmanian, Meysam and Brockmeier, Jan and Scheytt, J. Christoph}}, location = {{Dresden}}, title = {{{An Ultra Low Phase Noise Frequency Synthesizer with Optical Output for 77 GHz Photonic Radar}}}, year = {{2025}}, } @inproceedings{58861, author = {{Luchterhandt, Lars and Govindasamy, Vivek and Wang, Yutong and Dömer, Rainer and Müller, Wolfgang and Scheytt, J. Christoph}}, booktitle = {{OSSMPIC - Open Source Solutions for Massively Parallel Integrated Circuits}}, title = {{{Case Study on Combining Open-Source Tool Flows for Grids of Processing Cells}}}, year = {{2025}}, } @article{62148, author = {{Sadiye, Babak and Iftekhar, Mohammed and Müller, Wolfgang and Scheytt, J. Christoph}}, issn = {{1063-8210}}, journal = {{IEEE Transactions on Very Large Scale Integration (VLSI) Systems}}, publisher = {{IEEE}}, title = {{{60-Gb/s 1:4 Demultiplexer in 22-nm FD-SOI Technology Using TSPC Logic: A Circuit-to-System-Level Analysis and Design}}}, doi = {{10.1109/TVLSI.2025.3625787}}, year = {{2025}}, } @inproceedings{62126, author = {{Iftekhar, Mohammed and Sadiye, Babak and Müller, Wolfgang and Scheytt, J. Christoph}}, booktitle = {{IEEE Nordic Circuits and Systems Conference (NORCAS)}}, location = {{Riga, Latvia}}, title = {{{A 50 Gbps Reference-less NRZ Full-rate Bang-Bang CDR with Automatic Frequency Acquisition in 130 nm SiGe:C BiCMOS Technology}}}, doi = {{10.1109/NorCAS66540.2025.11231203}}, year = {{2025}}, } @inproceedings{62270, author = {{Weizel, Maxim and Malavalli Nagaraju, Harshan Gowda and Scheytt, J. Christoph}}, booktitle = {{2025 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium (BCICTS)}}, location = {{Phoenix, Arizona, USA}}, publisher = {{IEEE}}, title = {{{A 128 GS/s 2x Time-Interleaved Track and Hold Amplifier in 130nm SiGe BiCMOS}}}, doi = {{10.1109/bcicts63111.2025.11211462}}, year = {{2025}}, } @inproceedings{58856, author = {{Hannemann, Kai Arne and Bütün, Hüseyin Berke and Müller, Wolfgang and Scheytt, J. Christoph}}, booktitle = {{MBMV 2025 - 28. Workshop Methoden und Beschreibungssprachen zur Modellierung und Verifikation von Schaltungen und Systemen}}, isbn = {{978-3-8007-6515-7}}, publisher = {{VDE Verlag}}, title = {{{Verilator and FireSim RTL Simulations on a HPC Cluster: A Comparative Case Study}}}, year = {{2025}}, } @article{62643, author = {{Schwabe, Tobias and Kress, Christian and Kruse, Stephan and Weizel, Maxim and Rhee, Hanjo and Scheytt, J. Christoph}}, journal = {{Journal of Lightwave Technology}}, keywords = {{Integrated circuit modeling, Capacitance, Silicon, Modulation, Adaptation models, Semiconductor device modeling, Bandwidth, Data communication, electrooptical transmitter, equalization, free-carrier-plasma dispersion effect, modelling, optical modulator, phase shifter, silicon photonics}}, number = {{1}}, pages = {{255--270}}, title = {{{Forward-Biased Silicon Phase Shifter Modeling for Electronic-Photonic Co-Simulation and Validation in a 250 nm EPIC BiCMOS Technology}}}, doi = {{10.1109/JLT.2024.3450949}}, volume = {{43}}, year = {{2025}}, } @inproceedings{62642, author = {{Kruse, Stephan and Brockmeier, Jan and Schwengelbeck, Max and Schwabe, Tobias and Scheytt, J. Christoph}}, booktitle = {{2025 55th European Microwave Conference (EuMC)}}, keywords = {{Phased arrays, Optical fibers, Optical fiber sensors, Laser radar, Optical variables measurement, Apertures, Light emitting diodes, Optical receivers, Optical transmitters, Optical modulation, Lidar, light detection and ranging, FMCW, frequency modulated contentious wave, visible light sensing (VLS), visible light communication (VLC), automotive headlights, light emitting diode (LED), microwave photonics, wireless sensing}}, pages = {{602--605}}, title = {{{A Photonic Assisted Visible Light FMCW Lidar System for Large Aperture Phased Array MIMO Based on LEDs}}}, doi = {{10.23919/EuMC65286.2025.11235259}}, year = {{2025}}, } @article{62644, author = {{Schwabe, Tobias and Kress, Christian and Sadiye, Babak and Kruse, Stephan and Scheytt, J. Christoph}}, journal = {{IEEE Access}}, keywords = {{Optical attenuators, Equalizers, Phase shifters, Optical modulation, Electro-optic modulators, Optical amplifiers, Circuits, Silicon photonics, Optical saturation, Integrated circuit modeling, Data communication, equalization, electro-optical transmitter, silicon photonics, phase shifter, optical modulator, free-carrier plasma dispersion effect, driver architectures, biasing schemes}}, pages = {{192433--192450}}, title = {{{Analysis and Design of Forward Biased Silicon Photonics Phase Shifter Equalizer Circuits}}}, doi = {{10.1109/ACCESS.2025.3629385}}, volume = {{13}}, year = {{2025}}, } @inproceedings{62641, author = {{Kruse, Stephan and Diri, Jabil and Mager, Thomas and Kress, Christian and Scheytt, J. Christoph}}, booktitle = {{2025 55th European Microwave Conference (EuMC)}}, keywords = {{Optical fibers, Integrated optics, Semiconductor device measurement, Laser radar, Optical device fabrication, Photonic integrated circuits, Microwave theory and techniques, Optical fiber devices, Plastics, Substrates, Microwave photonics, photonic radar, optical LO distribution, mechatronic integrated device (MID)}}, pages = {{127--130}}, title = {{{Electrooptical Integration of an Electronic Photonic Integrated Circuit Into Plastic Substrates Using Mid-Technology}}}, doi = {{10.23919/EuMC65286.2025.11235121}}, year = {{2025}}, } @inproceedings{62271, author = {{Weizel, Maxim and Gudyriev, Sergiy and Zazzi, Andrea and Müller, Juliana and Schwabe, Tobias and Witzens, Jeremy and Scheytt, J. Christoph}}, booktitle = {{2025 32nd IEEE International Conference on Electronics, Circuits and Systems (ICECS)}}, location = {{Marrakesh, Morocco}}, publisher = {{IEEE}}, title = {{{High Voltage (5Vpp) Driver Monolithically Integrated with Thermally Tunable Optical Ring Resonators in a Silicon Photonics Technology}}}, doi = {{10.1109/ICECS66544.2025.11270577}}, year = {{2025}}, } @inproceedings{62682, author = {{Surendranath Shroff, Vijayalakshmi and Bahmanian, Meysam and Scheytt, J. Christoph}}, booktitle = {{2025 IEEE/MTT-S International Microwave Symposium - IMS 2025}}, publisher = {{IEEE}}, title = {{{Ultra-Low Phase Noise Frequency Synthesis Using Electro-Optic Detector-Based Comb-Microwave Synchronization}}}, doi = {{10.1109/ims40360.2025.11104035}}, year = {{2025}}, } @article{62683, author = {{Surendranath Shroff, Vijayalakshmi and Bahmanian, Meysam and Scheytt, J. Christoph}}, journal = {{IEEE Transactions on Microwave Theory and Techniques}}, publisher = {{IEEE}}, title = {{{Noise Folding in Optoelectronic PLLs for Ultralow Phase Noise: Modeling and Suppression With Experimental Validation}}}, doi = {{10.1109/TMTT.2025.3615413}}, year = {{2025}}, } @inproceedings{59895, abstract = {{The generation of optically broadband Nyquist pulse sequences using an integrated Mach-Zehnder modulator (MZM) in a thin-film lithium-niobate (TFLN) platform with repetition rates of 5 to 32 GHz and optical bandwidths of up to 160 GHz is demonstrated. Nyquist pulse sequences with high optical bandwidth can be used as synchronization and control signals in quantum sources based on photon pair generation.}}, author = {{Kress, Christian and Mihaylov, Martin Miroslavov and Schwabe, Tobias and Silberhorn, Christine and Scheytt, J. Christoph}}, booktitle = {{PIERS Proceedings }}, location = {{Abu Dhabi}}, publisher = {{PhotonIcs and Electromagnetics Research Symposium (PIERS)}}, title = {{{Broadband Nyquist Pulse Generation on TFLN Platform for Integrated Quantum Source}}}, doi = {{https://doi.org/10.1109/PIERS-Spring66516.2025.11276835}}, year = {{2025}}, } @inproceedings{59896, abstract = {{We present an electronic-photonic co-designed Mach-Zehnder modulator with linear segment drivers in a photonic SOI-CMOS technology with an EO 3-dB bandwidth of ≥ 27 GHz and data transmission up to 64 Gbit/s without pre-emphasis.}}, author = {{Kress, Christian and Schwabe, Tobias and Mihaylov, Martin Miroslavov and Scheytt, J. Christoph}}, location = {{Long Beach, CA, USA}}, title = {{{High-Speed Mach-Zehnder Modulator with Linear Segmented On-Chip Drivers in Photonic 45nm SOI-CMOS Technology }}}, year = {{2025}}, } @article{54017, author = {{Kress, Christian and Schwabe, Tobias and Rhee, Hanjo and Scheytt, J. Christoph}}, issn = {{2169-3536}}, journal = {{IEEE Access}}, pages = {{1--1}}, publisher = {{Institute of Electrical and Electronics Engineers (IEEE)}}, title = {{{Compact, High-Speed Mach-Zehnder Modulator with On-Chip Linear Drivers in Photonic BiCMOS Technology}}}, doi = {{10.1109/access.2024.3396877}}, year = {{2024}}, } @article{54668, abstract = {{Samples of dielectric optical waveguides of rib or strip type in thin-film lithium niobate (TFLN) technology are characterized with respect to their optical loss using the Fabry-Pérot method. Attributing the losses mainly to sidewall roughness, we employ a simple perturbational procedure, based on rigorously computed mode profiles of idealized channels, to estimate the attenuation for waveguides with different cross sections. A single fit parameter suffices for an adequate modelling of the effect of the waveguide geometry on the loss levels.}}, author = {{Hammer, Manfred and Babel, Silia and Farheen, Henna and Padberg, Laura and Scheytt, J. Christoph and Silberhorn, Christine and Förstner, Jens}}, issn = {{1094-4087}}, journal = {{Optics Express}}, keywords = {{tet_topic_waveguide}}, number = {{13}}, pages = {{22878}}, publisher = {{Optica Publishing Group}}, title = {{{Estimation of losses caused by sidewall roughness in thin-film lithium niobate rib and strip waveguides}}}, doi = {{10.1364/oe.521766}}, volume = {{32}}, year = {{2024}}, } @article{55989, abstract = {{Phased arrays are vital in communication systems and have received significant interest in the field of optoelectronics and photonics, enabling a wide range of applications such as LiDAR, holography, wireless communication, etc. In this work, we present a blazed grating antenna that is optimized to have upward radiation efficiency as high as 80% with a compact footprint of 3.5 μm × 2 μm at an operational wavelength of 1.55 μm. Our numerical investigations demonstrate that this antenna in a 64 × 64 phased array configuration is capable of producing desired far-field radiation patterns. Additionally, our antenna possesses a low side lobe level of -9.7 dB and a negligible reflection efficiency of under 1%, making it an attractive candidate for integrated optical phased arrays.}}, author = {{Farheen, Henna and Joshi, Suraj and Scheytt, J. Christoph and Myroshnychenko, Viktor and Förstner, Jens}}, issn = {{2515-7647}}, journal = {{Journal of Physics: Photonics}}, keywords = {{tet_topic_opticalantenna}}, pages = {{045010}}, publisher = {{IOP Publishing}}, title = {{{An efficient compact blazed grating antenna for optical phased arrays}}}, doi = {{10.1088/2515-7647/ad6ed4}}, volume = {{6}}, year = {{2024}}, }