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Urs Hecht, M.Sc.


Research Assistant

Phone: +49 30 314-25882
Room: EN418
Consultation Hours: Free

Research Interests

  • High speed Digital to Analog Converters
  • Vertical Cavity LASER Diode Drivers
  • Equalization for nonlinear Systems


Urs Hecht received the B.Sc. and the M.Sc. of electrical engineering in 2016 and 2018, respectively, from the Technische Universität Berlin.

During his studies he concentrated on analogue circuit design. Highlights were the design of a Ultra-Low-Power CMOS Temperature Sensor (Bachelor’s Thesis), a two-stage telescopic OTA and a 150 MS/s 1.5 Bit 11 ENOB Pipeline ADC Stage in 28 nm CMOS.

His Master’s Thesis “56 GBaud PAM-4 CMOS Transmitter Architectures” concentrated on finding the optimal transmitter equalization architecture to push the boundaries of VCSEL-based optical communication systems beyond the current state of the art.

In 2018, he was awarded the Friedrich-Wilhelm Gundlach-Preis by the "Verein der Freunde der Hochfrequenztechnik an der TU Berlin e.V." for the reasurch during the period of his Master's Thesis.

He joined the chair of mixed-signal circuit design in May 2018.




U. Hecht and N. Ledentsov and P. Scholz and M. Agustin and P. Schulz and N.N. Ledentsov and F. Gerfers (2019). Non-Linear PAM-4 VCSEL Equalization and 22 nm SOI CMOS DAC for 112 Gbit/s Data Transmission. 12th German Microwave Conference (GeMiC). IEEE.

N. N. Ledentsov and V.A. Shchukin and V.P. Kalosha and N. Ledentsov and L. Chorchos and J. P. Turkiewicz and U. Hecht and P. Kurth and F. Gerfers and J. Lavrencik and S. Varughese and S. E. Ralph (2020). Optical Interconnects Using Single-Mode and Multi-Mode VCSEL and Multi-Mode Fiber. Optical Fiber Communication Conference (OFC) 2020. Optical Society of America, M3D.1.

U. Hecht and N. Ledentsov and Ł. Chorchos and P. Kurth and N. N. Ledentsov and F. Gerfers (2020). Up to 30-Fold BER Improvement Using a Data-Dependent FFE Switching Technique for 112Gbit/s PAM-4 VCSEL Based Links. Optical Fiber Communication Conference (OFC) 2020. Optical Society of America, T3I.6.

N. Ledentsov and L. Chorchos and O. Makarov and J.-R. Kropp and V. Shchukin and V. P. Kalosha and U. Hecht and P. Kurth and F. Gerfers and J. P. Turkiewicz and N. N. Ledentsov (2020). Oxidation stress induced birefringence in vertical cavity surface emitting lasers. Vertical-Cavity Surface-Emitting Lasers XXIV. SPIE, 107 – 114.

U. Hecht, N. Ledentsov, Ł. Chorchos, P. Scholz, P. Schulz, J.P. Turkiewicz, N.N. Ledentsov and F. Gerfers (2019). 120Gbit/s multi-mode fiber transmission realized with feed forward equalization using 28GHz 850nm VCSELs. 45nd European Conference and Exposition on Optical Communications (ECOC)

P. Kurth and K. Misselwitz and U. Hecht and F. Gerfers (2020). A Transmission-Line-based Phase Shifter for High-Speed, Ultra-Low-Power N-PSK Transmitters. 27th International Conference on Electronics, Circuits and Systems (ICECS). IEEE.

U. Hecht (2021). VCSEL-Based Optical Transmitters Above 100Gb/s. INTERNATIONAL SOLID-STATE CIRCUITS CONFERENCE. IEEE.

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