Picture of Karsten Schuh

Karsten Schuh

Stuttgart, Germany
Researcher

Research Interests

  • Optical Communication

Selected Articles and Publications

High Data Rate Tomlinson-Harashima Precoding (THP) Based PAM Transmission

DCI Field Trial Demonstrating 1.3-Tb/s Single-Channel and 50.8-Tb/s WDM Transmission Capacity

Power-Efficient Single-Sideband Transmission with Clipped Iterative SSBI Cancellation

52 -TB/S WDM TRANSMISSION OVER FIELD-DEPLOYED FIBER

Novel Optical Field Reconstruction for IM/DD with Receiver Bandwidth Well Below Full Optical Signal Bandwidth

DCI Field Trial demonstrating 1.3-Tb/s Single-Channel and 50.8-Tb/s WDM Transmission Capacity

Single Sideband Transmission Employing a 1-to-4 ADC Frontend and Parallel Digitization

1.2Tbit/s Single Channel and 45Tbit/s WDM Field Transmission

TARANTO Deliverable 351-Intermediate report on System-level integration, simulation and characterization of targeted application circuits

Faster-than-Nyquist PAM-4 transmission based on Tomlinson-Harashima precoding

A SiGe HBT BiCMOS 1-to-4 ADC frontend supporting 100 GBaud PAM4 reception at 14 GHz digitizer bandwidth

Experimental Verification of Equalization Enhanced Phase Noise in Kramers-Kronig Transmissions

Transmission Link Optimization for Coherent 4 Tb/s Extended Reach Transmission

5×510 Gbps Single-Polarization Direct-Detection WDM Transmission over 80 km of SSMF

Flexible IM/DD Beyond Bandwidth Limitation for Data Center Optical Interconnects

Beyond 400 Gb/s Direct Detection over 80km for Data Center Interconnect Applications

A SiGe HBT BiCMOS 1-to-4 ADC frontend enabling low bandwidth digitization of 100 GBaud PAM4 data

50 Gb/s PAM-4 Transmission over 80-km SSMF without Chromatic Dispersion Compensation

Optical-amplifier-less transmission of 92 GBd PAM-4 signal using 80 GSa/s DAC/ADC

3.6-Tbps Duobinary 16-QAM Transmission with Improved Tolerance to Cascaded ROADM Filtering Penalty

1.6Tbps WDM Direct Detection Transmission with Virtual-Carrier over 1200km

1.6Tbps WDM Direct Detection Transmission with Virtual-Carrier over 1200km

1.6 Tbps Virtual-Carrier Assisted WDM Direct Detection Transmission over 1200 km

180 Gb/s 64QAM Transmission over 480 km using DFB Laser and Kramers-Kronig Receiver

8×256Gbps Virtual-Carrier Assisted WDM Direct-Detection Transmission over a Single Span of 200km

800 Gbit/s dual channel transmitter with 1.056 Tbit/s gross rate

Single carrier 1.2 Tbit/s transmission over 300 km with PM-64 QAM at 100 GBaud

1.72 Tbs Virtual-Carrier Assisted WDM Direct-Detection Transmission over 200km

Experimental Demo of Nonlinear Frequency Division Multiplexed Transmission

768Gbit/s dual-polarization 64QAM transmission at 64Gbaud over 160km SSMF applying soft-FEC decoding

100 GSa/s BiCMOS DAC supporting 400 Gb/s dual carrier transmission

800 Gb/s Dual Channel Transmitter with 1.056 Tb/s gross rate

Study of subband multiplexing at 54 GHz modulation bandwidth for 16QAM and probabilistic shaped 64QAM

Improvement of Bandwidth Limitation Tolerance for High-speed PAM-4 Transmission Using Turbo Equalizer

1.2 Tbit/s (64 QAM at 100 GBaud) transmission over 300 km

80 GBd 16 QAM Reception with Time Switched Dual Frequency Local Oscillator 80 GSa/s 33 GHz Bandwidth Oscilloscope

5×240 Gb/s WDM Direct Detection Transmission over 80 km with a Spectral Efficiency of 5.25 bits/s/Hz

Beyond 400 Gb/s Direct Detection over 80km for DCI Applications

Beyond 100 GBaud Transmission Supported by a 120 GSa/s CMOS Digital to Analog Converter

System implementation of a 112 GSa/s 1-to-4 ADC frontend

16×200 Gbps Virtual Carrier Assisted DD Transmission over 80 km with a SiGe BiCMOS 1-to-4 ADC Front-End and 14 GHz of Digitizer Bandwidth

A 112-GS/s 1-to-4 ADC front-end with more than 36-dBc SFDR and 28-dB SNDR up to 43-GHz in 130-nm SiGe BiCMOS

DCI Field Trial demonstrating 1.3-Tb/s Single-Channel and 50.8-Tb/s WDM Transmission Capacity

1.52 Tb/s single carrier transmission supported by a 128 GSa/s SiGe DAC

1.11 Tb/s/lambda and 18.9 Tb/s WDM transmission over DCI distances supported by CMOS DACs

Terrestrial Transmission Reach Doubling at record spectral efficiency flexibility for 400 Gb/s and 600 Gb/s Supported by variable (non)-pragmatic square QAM Formats

Single Carrier 1.2 Tbit/s Transmission over 300 km with PM-64 QAM at 100 GBaud

30 Gbaud 128 QAM SSB Direct Detection Transmission over 80 km with Clipped Iterative SSBI Cancellation

Books and Chapters

Co-author of the book chapter "High-bit-rate ETDM transmission systems"in Optical Fiber Telecommunications V - B: Systems and Networks
Academic Press, published: February 2008

Co-author of the book chapter "Application of electroabsorption modulators for high-speed transmission systems"
in Optical and Fiber Communications Reports 3 : Ultrahigh-Speed Optical Transmission Technology
Springer, published: 2007