Real-time feedforward clock recovery for optical burst-mode transmission

P Matalla, MS Mahmud, C Füllner, W Freude… - Optical Fiber …, 2022 - opg.optica.org
Real-Time Feedforward Clock Recovery for Optical Burst-Mode Transmission Page 1 Real-Time
Feedforward Clock Recovery for Optical Burst-Mode Transmission Patrick Matalla*, Md Salek …

Time-domain low-complexity clock recovery for non-integer oversampled Nyquist signals with a small roll-off factor

C Li, S Cui, J Liu, Y Chen, L Dai, K Zhou, M Tang - Optics Express, 2023 - opg.optica.org
A clock recovery algorithm (CRA) suitable for non-integer oversampled Nyquist signals with
a small roll-off factor (ROF) is appealing to short-reach high-speed inter-datacenter …

Colorless coherent tdm-pon based on a frequency-comb laser

MMH Adib, C Füllner, JN Kemal… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
Coherent reception becomes an interesting option when data rates in time-division-
multiplexed (TDM) passive optical networks (PONs) grow beyond 50 Gbit/s. Controlling the …

200 Gbit/s Wireless THz Transmission over 52m using Optoelectronic Signal Generation

J Dittmer, J Tebart, C Füllner, C Koos… - 2023 53rd European …, 2023 - ieeexplore.ieee.org
We demonstrate THz transmission at a record data rate of 200 Gbit/s over an 52-m-long
indoor link at a carrier frequency of 300 GHz enabled by optoelectronic signal generation …

Multiplication-free timing phase error detector for Nyquist and non-Nyquist optical signals

J Tang, S Cui, M Huang, C Li, T Li, K Zhou, D Liu - Optics Express, 2022 - opg.optica.org
A versatile digital coherent receiver capable of handling optical signals with different kinds of
pulse shaping schemes (PSSs) is indispensable for future flexible and heterogeneous …

An efficient scheme for acoustic echo canceller implementation using offset binary coding

MT Khan, RA Shaik… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This article presents an efficient design and implementation scheme for a low-area and low-
power acoustic echo canceller. The design employs the block least mean square algorithm …

Comparison of electronic and optoelectronic signal generation for wireless THz communications

J Dittmer, P Matalla, C Fuellner… - WSA & SCC 2023; …, 2023 - ieeexplore.ieee.org
We compare electronic and optoelectronic terahertz (THz) signal generation. By
mathematical modeling, we compare the noise performance and show that optoelectronic …

Comparison of Feedback and Feedforward Clock Recoveries for Ultra-Fast Synchronization in Passive Optical Networks

P Matalla, C Koos, S Randel - Optical Fiber Communication …, 2024 - opg.optica.org
Comparison of Feedback and Feedforward Clock Recoveries for Ultra-Fast Synchronization in
Passive Optical Networks Page 1 Comparison of Feedback and Feedforward Clock Recoveries …

Real-Time FPGA Demonstrator of ANN-Based Equalization for Optical Communications

J Ney, P Matalla, V Lauinger, L Schmalen… - arXiv preprint arXiv …, 2024 - arxiv.org
In this work, we present a high-throughput field programmable gate array (FPGA)
demonstrator of an artificial neural network (ANN)-based equalizer. The equalization is …

Pilot-free digital clock synchronization for continuous-variable quantum key distribution

P Matalla, MS Mahmud, C Koos… - … Conference on Optical …, 2023 - ieeexplore.ieee.org
A feedforward blind digital clock synchronization method is investigated for
continuousvariable quantum-key distribution. We demonstrate timing synchronization for an …