- Optical Network Technologies
- Advanced Photonic Communication Systems
- Advanced Fiber Laser Technologies
- Semiconductor Lasers and Optical Devices
- Photonic and Optical Devices
- Advanced Wireless Communication Techniques
- Wireless Communication Networks Research
- PAPR reduction in OFDM
- Advanced Optical Network Technologies
- Blind Source Separation Techniques
- Optical Wireless Communication Technologies
- Radio Frequency Integrated Circuit Design
- Error Correcting Code Techniques
- Low-power high-performance VLSI design
- Satellite Communication Systems
- Interconnection Networks and Systems
- Ultra-Wideband Communications Technology
- Power Line Communications and Noise
Fraunhofer Institute for Telecommunications, Heinrich Hertz Institute
2022-2025
Nokia (France)
2018-2022
Nokia (Finland)
2019-2020
We report on the ultra-wideband transmission of 254 PCS-64QAM channels over 300 km SSMF. demonstrate a 107-Tb/s throughput continuous 103 nm optical bandwidth using backward Raman pumping and SOA technology.
We report on the use of semiconductor optical amplifiers (SOAs) to extend bandwidth next generation systems 100 nm and beyond. After discussing technological progress motivation for rekindling interest in SOAs line amplification, we describe innovative approach developed realization ultra-wideband (UWB) SOAs. Leveraging custom design singly polarized provide gain over 100+ bandwidth, a polarization diversity architecture realize UWB-SOA modules. Embedded compact package, UWB amplifier...
In optical fiber networks, unrepeated links are cost effective solutions to provide connectivity in challenging contexts that hinder the deployment of in-line amplifiers. Extending bandwidth beyond C-band with ultra-wideband (UWB) amplification schemes is a promising way scale wavelength division multiplexed (WDM) throughput such single-span systems. this paper, we report on use semiconductor amplifiers (SOAs) combined distributed Raman pumping enable 100 nm transmissions over 257.5 km ultra...
We report on the ultra-wideband (UWB) transmission of a 103 nm signal over 3 × 100 km standard single mode fiber (SSMF), widely-deployed in terrestrial networks. In such UWB systems, nonlinear effects as stimulated Raman scattering (SRS) must be taken into account system design. characterize SRS impact high power regime for this spectrum. study evolution bandwidth when tilting input spectrum to counter inter-band transition. transmit 254 probabilistically constellation shaped (PCS)-64QAM...
We revisit the analysis of equalization-enhanced phase noise (EEPN) arising in coherent receivers from interaction between chromatic dispersion compensation by an electronic equalizer and local oscillator. Through numerical simulations we highlight EEPN characteristics investigate its impact on behavior carrier recovery algorithm. show that blind search, which is usually used practice to recover phase, partially mitigates EEPN. detail a approach predict system performance including algorithm...
A machine learning method for Raman gain prediction and multi-pump broadband amplifier design is experimentally demonstrated over a 100 nm-wide optical bandwidth. We show high accuracy ultra-fast of arbitrary profile km-long SSMF span.
We report on the impact of wavelength division multiplexed (WDM) channel count onto nonlinear distortions induced by an ultra-wideband (UWB) semiconductor optical amplifier (SOA). demonstrate experimentally that UWB SOA devices are well suited for wideband WDM signal amplification.
This article presents an experimental characterization of the impact nonlinear impairments induced by semiconductor optical amplifiers (SOA) in a wavelength division multiplexed (WDM) coherent communication system. Motivated ceaseless traffic growth transport systems, extending bandwidth fiber link is promising way to increase throughput networks. Using specific design, SOA can provide ultra-wideband (UWB) and continuous amplification spreading from S L bands. For both off-the-shelf C-band...
We demonstrate record single-carrier 560-Gb/s over 6,600 km and 430-Gb/s transmission 13,200 km, as well dual-carrier 850-Gb/s 6,600km, 1-Tb/s 3,960km, leveraging advanced DACs, wideband receiver, probabilistic shaping nonlinear mitigation.
We demonstrate a record 300 Gb/s per-channel bitrate over 20570 km across the full C-band. The measured 41 channels are modulated with 99 GBd PDM-QPSK using CMOS DACs and optical pre-emphasis, avoiding nonlinear compensation.
Semiconductor optical amplification complemented by backward-propagating Raman pumps enables 100 nm ultra-wideband transmission which, when coupled with wavelength-adaptive modulation and SD-FEC, gives a net throughput of 80.2 Tb/s over single span 257.5 km.
Low cost-per-bit high symbol-rate transceivers and link capacity upgrade with ultra-wideband (UWB) amplifiers are promising enabling technologies for future cost-efficient optical networks. In this paper, we review recent progress developments in semiconductor amplifier (SOA)-based UWB repeaters to extend the transmission bandwidth up 100 nm high-speed CMOS digital-to-analog (DAC) converters generation of GBd class signals.
We report on theoretical and experimental investigations of the nonlinear tolerance single carrier digital multicarrier approaches with probabilistically shaped constellations. Experimental transmission PCS16QAM is assessed at 120 GBd over an ultra-long-haul distance.
Extending the bandwidth of optical amplifiers is a promising approach to increase throughput wavelength division multiplexed (WDM) systems. We review recent ultra-wideband (UWB) experiments and discuss interest using UWB semiconductor (SOA) for future transmission report on SOA characteristics results 300 km experiment over standard single mode fiber (SSMF), hybrid Raman repeater.
We demonstrate the successful trial of 400 to 600 Gb/s per carrier over Orange live network. Based on Nokia PSE-Vs technology, and channels were transported up 3446 1100 km respectively, thanks probabilistic constellation shaping flexible symbol rate optimization.
We experimentally investigate and model how optical in-band crosstalk impairs 200 Gb/s QPSK, 300 PCS-16QAM as well 400 16QAM 68 GBaud WDM carriers, eventually 90 800 64QAM channels.
Multiple technological breakthroughs have historically provided significant improvements in transmission capacity and reach for unrepeatered systems. Ultra-wideband 100 nm SOA is a new candidate to enable further system growth.