130 citations · 370 across the 20 of their papers we have counts for
20 papers
Unveiling the origins of quasi-phase matching spectral imperfections in thin-film lithium niobate frequency doublers
Jie Zhao, Xiaoting Li, Ting-Chen Hu +10
Thin-film lithium niobate (TFLN) based frequency doublers have been widely recognized as essential components for both classical and quantum optical communications. Nonetheless, th…
Optical Field Characterization using Off-axis Digital Holography
Sjoerd van der Heide, Bram van Esch, Menno van den Hout +10
Angular resolved digital holography is presented as a technique for real-time characterization of the full optical field (amplitude and phase) of space-division multiplexing compon…
MDG and SNR Estimation in SDM Transmission Based on Artificial Neural Networks
Ruby S. B. Ospina, Menno van den Hout, Sjoerd van der Heide +7
The increase in capacity provided by coupled SDM systems is fundamentally limited by MDG and ASE noise. Therefore, monitoring MDG and optical SNR is essential for accurate performa…
Transoceanic Phase and Polarization Fiber Sensing using Real-Time Coherent Transceiver
Mikael Mazur, Jorge C. Castellanos, Roland Ryf +15
We implement a real-time coherent transceiver with fast streaming outputs for environmental sensing. Continuous sensing using phase and equalizer outputs over 12800km of a submarin…
Impulse Response Characterization of a Commercial Multimode Fiber using Superconducting Nanowire Single-Photon Detectors
Yuanhang Zhang, Nicolas K. Fontaine, Mikael Mazur +4
Time-of-flight measurements are key to study distributed mode coupling and differential mode group delay (DMDG) in multimode fibers (MMFs). However, current approaches using regula…
Digital Interference Mitigation in Space Division Multiplexing Self-Homodyne Coherent Detection
Hanzi Huang, Yetian Huang, Haoshuo Chen +7
We propose a digital interference mitigation scheme to reduce the impact of mode coupling in space division multiplexing self-homodyne coherent detection and experimentally verify…
Exploiting Angular Multiplexing for Polarization-diversity in Off-axis Digital Holography
Sjoerd van der Heide, Rutger van Anrooij, Menno van den Hout +9
Digital holography measures the complex optical field and transfer matrix of a device, polarization-diversity is often achieved through spatial multiplexing. We introduce angular m…
Simultaneous Sorting of Wavelengths and Spatial Modes using Multi-Plane Light Conversion
Yuanhang Zhang, He Wen, Alireza Fardoost +5
We propose a wavelength-mode sorter realized by multi-plane light conversion (MPLC). For the first time, to our best knowledge, wavelengths and spatial modes can be sorted simultan…
1.23-Tb/s per Wavelength Single-Waveguide On-Chip Optical Interconnect Enabled by Mode-division Multiplexing
Hanzi Huang, Yetian Huang, Yu He +7
We experimentally demonstrate a record net capacity per wavelength of 1.23~Tb/s over a single silicon-on-insulator (SOI) multimode waveguide for optical interconnects employing on-…
Supply-Power-Constrained Cable Capacity Maximization Using Multi-Layer Neural Networks
Junho Cho, Sethumadhavan Chandrasekhar, Erixhen Sula +9
We experimentally solve the problem of maximizing capacity under a total supply power constraint in a massively parallel submarine cable context, i.e., for a spatially uncoupled sy…
Ultrabroadband Polarization Insensitive Hybrid using Multiplane Light Conversion
Nicolas K. Fontaine, Yuanhang Zhang, Haoshuo Chen +10
We designed, fabricated and tested an optical hybrid that supports an octave of bandwidth (900-1800 nm) and below 4-dB insertion loss using multiplane light conversion. Measured ph…
Dual Polarization Full-Field Signal Waveform Reconstruction Using Intensity Only Measurements for Coherent Communications
Haoshuo Chen, Nicolas K. Fontaine, Joan M. Gene +3
Conventional optical coherent receivers capture the full electrical field, including amplitude and phase, of a signal waveform by measuring its interference against a stable contin…
Mode-Multiplexed Full-Field Reconstruction Using Direct and Phase Retrieval Detection
Haoshuo Chen, Juan Carlos Alvarado-Zacarias, Hanzi Huang +4
We realize mode-multiplexed full-field reconstruction over six spatial and polarization modes after 30-km multimode fiber transmission using intensity-only measurements without any…
Supply-Power-Constrained Cable Capacity Maximization Using Deep Neural Networks
Junho Cho, Sethumadhavan Chandrasekhar, Erixhen Sula +9
We experimentally achieve a 19% capacity gain per Watt of electrical supply power in a 12-span link by eliminating gain flattening filters and optimizing launch powers using machin…
First Transmission of a 12D Format Across 3 Coupled Spatial Modes of a 3-Core Coupled-Core Fiber at a Spectral Efficiency of 4 bits/s/Hz
René-Jean Essiambre, Roland Ryf, Sjoerd van der Heide +10
We demonstrate the first transmission of a new twelve-dimensional modulation format over a three-core coupled-core multicore fiber. The format occupies a single time slot spread ac…
Time reversed optical waves by arbitrary vector spatiotemporal field generation
Mickael Mounaix, Nicolas K. Fontaine, David T. Neilson +4
Lossless linear wave propagation is symmetric in time, a principle which can be used to create time reversed waves. Such waves are special 'pre-scattered' spatiotemporal fields, wh…
Multi-wavelength arbitrary waveform generation through spectro-temporal unitary transformations
Mikael Mazur, Nicolas K. Fontaine, Haoshuo Chen +6
Temporal waveform manipulation is a fundamental functionality in optics and crucial for applications like optical communications, microwave photonics and quantum optics. Traditiona…
Full-Field, Carrier-Less, Polarization-Diversity, Direct Detection Receiver based on Phase Retrieval
Haoshuo Chen, Nicolas K. Fontaine, Joan M. Gené +3
We realize dual-polarization full-field recovery using intensity only measurements and phase retrieval techniques based on dispersive elements. 30-Gbaud QPSK waveforms are transmit…
White Gaussian Noise Based Capacity Estimate and Characterization of Fiber-Optic Links
Roland Ryf, John van Weerdenburg, Roberto A. Alvarez-Aguirre +7
We use white Gaussian noise as a test signal for single-mode and multimode transmission links and estimate the link capacity based on a calculation of mutual information. We also e…
Integrated cladding-pumped multi-core, few-mode erbium-doped fibre amplifier for space-division multiplexed communications
H. Chen, C. Jin, B. Huang +9
Space-division multiplexing (SDM), whereby multiple spatial channels in multimode and multicore optical fibers are used to increase the total transmission capacity per fiber, is be…