Patrick Kurth, Philipp Scholz, Philipp Nickel, Urs Hecht, Enne Wittenhagen, Kai Misselwitz, and Friedel Gerfers,
A mmw Low-Noise Sub-Sampling Phase-Locked Loop with a Non-Pulsed Charge Pump, Frequency Calibration and a Compact Ultra-High-Q Resonator,
2024 IEEE International Symposium on Circuits and Systems (ISCAS), Singapore, Singapore, 2024, pp. 1-5,
(doi)(paper),
(poster)
Enne Wittenhagen, Dominik Wilding, Patrick Kurth, Sebastian Linnhoff, Frowin Buballa, Urs Hecht, Patrick Artz and Friedel Gerfers,
An 11-Bit 12 GS/s Beam-Forming Receiver ADC for a 2x2 Antenna Array utilizing True Time-Delay with 68 dBc SFDR and 55 dB SNDR,
2024 IEEE International Symposium on Circuits and Systems (ISCAS), Singapore, Singapore, 2024, pp. 1-5,
(doi)
2023
Enne Wittenhagen, Patrick Kurth, Nima Lotfi, Urs Hecht, Julius Edler, Philipp Scholz and Friedel Gerfers,
A 12 GS/s RF-Sampler Employing Inductive Peaking in 22 nm FD-SOI CMOS,
2023 18th European Microwave Integrated Circuits Conference (EuMIC), Berlin, Germany, 2023, pp. 317-320,
(doi)
Enne Wittenhagen, Patrick Artz, Patrick Kurth, Sebastian Linnhoff, Frowin Buballa, Philipp Scholz, Friedel Gerfers,
A Bulk-Controlled 12 GS/s Track and Hold Amplifier with >58 dBc SFDR and >53.5 dB SNDR in 22 nm FD-SOI CMOS,
2023 18th European Microwave Integrated Circuits Conference (EuMIC), Berlin, Germany, 2023, pp. 117-120,
(doi)
Urs Hecht, Nikolay Ledentsov Jr., Helia Ordouei, Patrick Kurth, Philipp Scholz, Nikolay Ledentsov, Friedel Gefers
Digital Non-Linear Transmitter Equalization for PAM-N-Based VCSEL Links Enabling Robust Data Transmission of 100 Gbit/s and Beyond,
Photonics 2023, 10, 280
(doi)
Urs Hecht, Helia Ordouei, Nikolay Ledentsov Jr., Philipp Scholz, Patrick Kurth, Nikolay Ledentsov, Friedel Gerfers,
True Voltage-Mode NRZ VCSEL Transmitter enabling 60 Gbit/s at 0.37 pJ/bit in 22 nm FDSOI,
ESSCIRC 2023- IEEE 49th European Solid State Circuits Conference (ESSCIRC), Lisbon, Portugal, 2023, pp. 365-368,
(doi)
Enne Wittenhagen, Patrick Kurth, Urs Hecht, Frowin Buballa, Sebastian Linnhoff, Nima Lotfi, Friedel Gerfers,
A 12 GS/s RF-Sampler Employing Inductive Peaking with >57 dB |THD| and >49.3 dB SNDR in 22 nm FD-SOI CMOS,
2023 21st IEEE Interregional NEWCAS Conference (NEWCAS), Edinburgh, United Kingdom, 2023, pp. 1-4,
(doi)
Patrick Kurth, Urs Hecht, Frowin Buballa, Sebastian Linnhoff, Helia Ordouei and Friedel Gerfers,
A Charge Pump for Sub-Sampling Phase-Locked Loops with Virtual Reference Frequency Doubling,
2023 IEEE International Symposium on Circuits and Systems (ISCAS), Monterey, CA, USA, 2023, pp. 1-5,
(doi),
(paper),
(poster)
Helia Ordouei, Clirim Alija, Patrick Kurth, Friedel Gerfers,
A Digital Pre-Distortion Technique Cancelling Code-and Voltage-Dependent Output Impedance Errors in Current-Steering DACs,
2023 IEEE International Symposium on Circuits and Systems (ISCAS), Monterey, CA, USA, 2023, pp. 1-5,
(doi),
Urs Hecht, Helia Ordouei, Nikolay Ledentsov Jr., Philipp Scholz, Patrick Kurth, Ilya E. Titkov, Nikolay N. Ledentsov and Friedel Gerfers,
A 0.4 pJ/bit NRZ Voltage Mode VCSEL Driver for up to 224 Gbit/s SWDM Links,
2023 Optical Fiber Communications Conference and Exhibition (OFC), San Diego, CA, USA, 2023, pp. 1-3,
(doi)
2022
P. Kurth, P. Nickel, U. Hecht and F. Gerfers,
A Divider-less General PLL Lock Assist and Automatic Frequency Calibration System for Millimeter-Wave Sub-Sampling Phase-Locked Loops,
2022 29th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Glasgow, United Kingdom, 2022, pp. 1-4,
(doi),
(paper),
(slides)
E. Wittenhagen, P. Kurth, T. Kaiser and F. Gerfers,
A TI 12 GS/s Sampled Beam-Forming Receiver for a 2×2 Antenna-Array with 69 dBc SFDR,
2022 29th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Glasgow, United Kingdom, 2022, pp. 1-4,
(doi)
P. Kurth, K. Misselwitz, P. Scholz, U. Hecht and F. Gerfers,
A 0.007 mm2 48 - 53 GHz Low-Noise LC-Oscillator using an Ultra-Compact High-Q Resonator,
2022 14th German Microwave Conference (GeMiC), Ulm, Germany, 2022, pp. 104-107,
(paper),
(slides)
2021
P. Kurth, U. Hecht, E. Wittenhagen and F. Gerfers,
A Divider-less Automatic Frequency Calibration for Millimeter-Wave Sub-Sampling Phase-Locked Loops,
2021 IEEE International Midwest Symposium on Circuits and Systems (MWSCAS), Lansing, MI, USA, 2021, pp. 718-721,
(doi)(paper),
(slides)
P. Kurth, K. Misselwitz, U. Hecht and F. Gerfers,
A 56 GHz 19 fs RMS-Jitter Sub-Sampling Phase-Locked Loop for 112 Gbit/s Transceivers,
2021 IEEE International Symposium on Circuits and Systems (ISCAS), Daegu, Korea, 2021, pp. 1-5,
(doi)(paper),
(slides)
2020
P. Kurth, K. Misselwitz, U. Hecht and F. Gerfers,
A Transmission-Line-based Phase Shifter for High-Speed, Ultra-Low-Power N-PSK Transmitters,
2020 27th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Glasgow, UK, 2020, pp. 1-4,
(doi)(paper),
(poster)
U. Hecht, N. Ledentsov Jr., L. Chorchos, P. Kurth, N. N. Ledentsov and F. Gerfers,
Up to 30-Fold BER Improvement using a Data-Dependent FFE Switching Technique for 112Gbit/s PAM-4 VCSEL Based Links,
2020 Optical Fiber Communications Conference and Exhibition (OFC), San Diego, CA, USA, 2020, pp. 1-3.
N. N. Ledentsov Jr., V. A. Shchukin, V. P. Kalosha, N. Ledentsov, J. P. Turkiewicz, U. Hecht, P. Kurth, F. Gerfers, J. Lavrencik, S. Varughese and S. E. Ralph,
Optical Interconnects using Single-Mode and Multi-Mode VCSEL and Multi-Mode Fiber,
2020 Optical Fiber Communications Conference and Exhibition (OFC), San Diego, CA, USA, 2020, pp. 1-3.
2019
Urs. Hecht, Nikolay. Ledentsov Jr., Philipp. Scholz, Mikel. Augustin, P. Schulz, Nikolay. N. Ledentsov, Friedel. Gerfers,
Non-Linear PAM-4 VCSEL Equalization and 22 nm SOI CMOS DAC for 112 Gbit/s Data Transmission,
2019 12th German Microwave Conference (GeMiC), Stuttgart, Germany, 2019, pp. 115-118,
(doi)
Other Publications (not formally published)
Master Thesis
In my master thesis, I analyzed oscillators in the range of a few gigahertz.
The main focus of this work was the development of an oscillator based on active inductors.
The thesis can be found here.