230 citations · 770 across the 40 of their papers we have counts for
40 papers
One Terahertz Full-Field Digital Back-Propagation over 3000 km
Eric Sillekens, Ruben S. Luis, Giammarco Di Sciullo +14
We implement full-field digital back-propagation with a 1-THz receiver using 20 synchronous frequency-adjacent coherent receivers with digital stitching and a frequency-comb local…
On the Optimum Energy-per-bit Launch Power in Coherent Hollow-core Fibre Transmission Systems
Ronit Sohanpal, Eric Sillekens, Mindaugas Jarmolovicius +2
We investigate the optimum energy per bit in hollow-core-fibre transmission systems. We show that a 1000 km C-band link can achieve a 41.5% reduction in total power consumption whe…
423.7 + 426.5 Tb/s GMI Bi-Directional HCF Transmission
Jiaqian Yang, Romulo Aparecido, Eric Sillekens +28
We demonstrate OESCL-band same-wavelength bi-directional transmission over 60 km HCF with 42.5 THz bandwidth, achieving GMIs comparable with the highest unidirectional SMF data-rat…
Ultra-Wideband Transmission Systems From an Energy Perspective: Which Band is Next?
Ronit Sohanpal, Mindaugus Jarmolovicius, Jiaqian Yang +9
Measuring the power efficiency of the state-of-the-art OESCL-band amplifiers, we show that 1000 km OESCL-band systems can achieve 2.98x greater throughput for +48% higher energy-pe…
Single-Step Digital Backpropagation for O-band Coherent Transmission Systems
Romulo Aparecido, Jiaqian Yang, Ronit Sohanpal +11
We demonstrate digital backpropagation-based compensation of fibre nonlinearities in the near-zero dispersion regime of the O-band. Single-step DBP effectively mitigates self-phase…
A Closed-form Expression of the Gaussian Noise Model Supporting O-Band Transmission
Zelin Gan, Henrique Buglia, Romulo Aparecido +6
We present a novel closed-form model for nonlinear interference (NLI) estimation in low-dispersion O-band transmission systems. The formulation incorporates the four-wave mixing (F…
Measurement and Analysis of the Power Consumption of Hybrid-Amplified SCL-band Links
Ronit Sohanpal, Jiaqian Yang, Eric Sillekens +5
We studied the power consumption of hybrid-amplified SCL-band links using commercial benchtop amplifiers and Raman pumps. We show a reduction in energy per bit for multi-span hybri…
On the Feasibility of SCL-Band Transmission over G.654.E-Compliant Long-Haul Fibre Links
Jiaqian Yang, Eric Sillekens, Ronit Sohanpal +10
We demonstrate the first SCL-band long-haul transmission using G.654.E-compliant fibre, achieving 100.8 Tb/s (GMI) over 1552 km, despite its 1520 nm cutoff wavelength. Due to the f…
Experimental Demonstration of MPI-Penalty-Free S-band Transmission over G.654.E Fibres
Romulo Aparecido, Jiaqian Yang, John D. Downie +6
We demonstrate multipath interference-penalty-free S-band transmission over two G.654.E-compliant fibres with cable cutoff up to 1530 nm. No SNR degradation was observed across var…
Ultrawideband optical fibre throughput in the presence of total optical power constraints from C to OESCLU spectral bands
Mindaugas Jarmolovičius, Henrique Buglia, Eric Sillekens +2
Using a recently developed fast integral ultrawideband Gaussian noise model, we quantify the achievable throughput under total optical power constraints for systems ranging from C-…
Experimental Investigation into Split Nonlinearity Compensation in Single and Multi-channel WDM Systems
Ronit Sohanpal, Eric Sillekens, Jiaqian Yang +4
We experimentally investigated the performance of split nonlinearity compensation schemes for single and multi-channel WDM systems. We show that split NLC SNR gains of more than 0.…
Record 202.3 Tb/s Transmission over Field-Deployed Fibre using 15.6 THz S+C+L-Bands
Jiaqian Yang, Eric Sillekens, Benjamin J. Puttnam +8
Ultra-wideband, field-deployed metropolitan fibre transmission is experimentally demonstrated, measuring a record 202.3 Tb/s GMI and 189.5 Tb/s after decoding with 20.9 dBm launch…
Experimental validation of the closed-form GN model accounting for distributed Raman amplification in an S+C+L-band hybrid amplified long-haul transmission system
Jiaqian Yang, Henrique Buglia, Eric Sillekens +10
The accuracy of a recently-developed closed-form GN nonlinear interference model is evaluated in experimental 1065 km S+C+L band WDM transmission with backward Raman pumping. The m…
Impact of launch power optimisation in hybrid-amplified links
Henrique Buglia, Eric Sillekens, Lidia Galdino +2
Per-channel launch power optimisation in a hybrid-amplified link with optimised pump powers and wavelengths is described. Compared to using the optimum spectrally uniform launch po…
Optimising O-to-U Band Transmission Using Fast ISRS Gaussian Noise Numerical Integral Model
Mindaugas Jarmolovičius, Daniel Semrau, Henrique Buglia +5
We model the transmission of ultrawideband signals, including wavelength-dependent fibre parameters: dispersion, nonlinear coefficient and effective fibre core area. To that end, t…
Throughput Maximisation in Ultra-wideband Hybrid-amplified Links
Henrique Buglia, Eric Sillekens, Lidia Galdino +2
A semi-analytical, real-time nonlinear-interference model including ASE noise in hybrid-amplified links is introduced. Combined with particle-swarm optimisation, the capacity of a…
A Closed-form Expression for the Gaussian Noise Model in the Presence of Raman Amplification
H. Buglia, M. Jarmolovicius, L. Galdino +2
A closed-form model for the nonlinear interference (NLI) in Raman amplified links is presented, the formula accounts for both forward (FW) and backward (BW) pumping schemes and int…
Microprocessor Design with Dynamic Clock Source and Multi-Width Instructions
Keyu Chen, Xuyi Hu, Robert Killey
This paper introduces a novel 32-bit microprocessor, based on the RISC-V instruction set architecture, is designed,utilising a dynamic clock source to achieve high efficiency, over…
A Closed-form Expression for the ISRS GN Model Supporting Distributed Raman Amplification
H. Buglia, M. Jarmolovicius, A. Vasylchenkova +4
A closed-form model for the nonlinear interference in distributed Raman amplified links is presented, the formula accounts for both forward and backward pumping.
High-Cardinality Geometrical Constellation Shaping for the Nonlinear Fibre Channel
Eric Sillekens, Gabriele Liga, Domaniç Lavery +2
This paper presents design methods for highly efficient optimisation of geometrically shaped constellations to maximise data throughput in optical communications. It describes meth…
On the Relationship Between Network Topology and Throughput in Mesh Optical Networks
Daniel Semrau, Shahzaib Durrani, Georgios Zervas +2
The relationship between topology and network throughput of arbitrarily-connected mesh networks is studied. Taking into account nonlinear channel properties, it is shown that throu…
Modelling the delayed nonlinear fiber response in coherent optical communications
Daniel Semrau, Eric Sillekens, Robert I. Killey +1
Fiber nonlinearities, that lead to nonlinear signal interference (NLI), are typically regarded as an instantaneous material response with respect to the optical field. However, in…
The Benefits of Using the S-Band in Optical Fiber Communications and How to Get There
Daniel Semrau, Eric Sillekens, Robert I. Killey +1
The throughput gains of extending the optical transmission bandwidth to the S+C+L-band are quantified using a Gaussian Noise model that accounts for inter-channel stimulated Raman…
Modulation Format Dependent, Closed-Form Formula for Estimating Nonlinear Interference in S+C+L Band Systems
Daniel Semrau, Lidia Galdino, Eric Sillekens +3
A closed-form formula for the nonlinear interference estimation of arbitrary modulation formats in ultra-wideband transmission systems is presented. Enabled by the proposed approac…