198 citations · 233 across the 17 of their papers we have counts for
17 papers
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…
High-Resolution Trans-Oceanic Distributed Acoustic Sensing Enabled by a Bi-Directional Sensor Implementation
Mikael Mazur, Nicolas K. Fontaine, Roland Ryf +14
We demonstrate continuous distributed acoustic sensing over a 4400km long undersea cable. Bi-directional operation improves the strain signal-to-noise rate by >20dB, enabling 88000…
Submarine Cable Deep-Ocean Observation of Mega-Thrust Earthquake and Tsunami with 44,000 100-m Spaced Sensors
Mikael Mazur, Nicolas K. Fontaine, Roland Ryf +13
We detect the recent M8.8 mega-earthquake in Eastern Russia, on a 4400km long active telecom cable in the Pacific Ocean. The resolution achieved 100m represents the highest spatial…
Programmable spatiotemporal OAM optical toroidal beams with completely tunable properties
Andrew V. Komonen, Nicolas K. Fontaine, Martin Plöschner +4
Spatiotemporal toroidal orbital angular momentum (OAM) beams are a developing class of spatiotemporal beams which have key applications within quantum physics, metrology, imaging a…
Frequency Comb-based Wavelength Division Multiplexing and Detection without Wavelength Demultiplexers
Di Che, Zhongdi Peng, Mikael Mazur +1
We demonstrate a wavelength division multiplexing (WDM) concept using demultiplexer-free frequency combs at both transmitter and receiver in a 4-wavelength 200-GHz-grid WDM system…
Enabling a multifunctional telecommunications fiber optic network: Ultrastable optical frequency transfer and attosecond timing in deployed multicore fiber
Nazanin Hoghooghi, Mikael Mazur, Nicolas Fontaine +10
The telecommunications industry's deployment of billions of kilometers of optical fiber has created a vast global network that can be exploited for additional applications such as…
Global Seismic Monitoring using Operational Subsea Cable
Mikael Mazur, Martin Karrenbach, Nicolas K. Fontaine +11
We report tele-seismic waves detection from multiple earthquakes on an operational subsea cable from Iceland to Ireland. Using per-span laser interferometry with 100km spacing, we…
Large Language Model-Driven Cross-Domain Orchestration Using Multi-Agent Workflow
Xiaonan Xu, Haoshuo Chen, Jesse E. Simsarian +5
We showcase an application that leverages multiple agents, powered by large language models and integrated tools, to collaboratively solve complex network operation tasks across va…
2.4-THz Bandwidth Optical Coherent Receiver Based on a Photonic Crystal Microcomb
Callum Deakin, Jizhao Zang, Xi Chen +5
We demonstrate a spectrally-sliced single-polarization optical coherent receiver with a record 2.4-THz bandwidth, using a 200-GHz tantalum pentoxide photonic crystal microring reso…
Net 835-Gb/s/λ Carrier- and LO-Free 100-km Transmission Using Channel-Aware Phase Retrieval Reception
Hanzi Huang, Haoshuo Chen, Qian Hu +9
We experimentally demonstrate the first carrier- and LO-free 800G/λ receiver enabling direct compatibility with standard coherent transmitters via phase retrieval, achieving net 83…
Distortion-Aware Phase Retrieval Receiver for High-Order QAM Transmission with Carrierless Intensity-Only Measurements
Hanzi Huang, Haoshuo Chen, Qi Gao +7
We experimentally investigate transmitting high-order quadrature amplitude modulation (QAM) signals with carrierless and intensity-only measurements with phase retrieval (PR) recei…
Real-Time Monitoring of Cable Break in a Live Fiber Network using a Coherent Transceiver Prototype
Mikael Mazur, Lauren Dallachiesa, Roland Ryf +10
We monitor a 524km live network link using an FPGA-based sensing-capable coherent transceiver prototype during a human-caused cable break. Post-analysis of polarization data reveal…
Multi-Plane Light Conversion: A Practical Tutorial
Yuanhang Zhang, Nicolas K. Fontaine
Multi-plane light conversion (MPLC) has recently been developed as a versatile tool for manipulating spatial distributions of the optical field through repeated phase modulations.…
Digital Twin of a Network and Operating Environment Using Augmented Reality
Haoshuo Chen, Xiaonan Xu, Jesse E. Simsarian +9
We demonstrate the digital twin of a network, network elements, and operating environment using machine learning. We achieve network card failure localization and remote collaborat…
Advanced Distributed Submarine Cable Monitoring and Environmental Sensing using Constant Power Probe Signals and Coherent Detection
Mikael Mazur, Nicolas K. Fontaine, Megan Kelleher +6
In this work we demonstrate an FPGA-based coherent optical frequency domain reflectometry setup for cable monitoring. Using coherent detection for averaging and narrowband filterin…
Roadmap on spatiotemporal light fields
Yijie Shen, Qiwen Zhan, Logan G. Wright +42
Spatiotemporal sculpturing of light pulse with ultimately sophisticated structures represents the holy grail of the human everlasting pursue of ultrafast information transmission a…
Alignment of Free-Space Coupling of Few-Mode Fibre to Multi-Mode Fibre using Digital Holography
Menno van den Hout, Sjoerd van der Heide, Thomas Bradley +11
Off-axis digital holography is used to align a few-mode fiber to a multi-mode fiber in a free-space optical setup. Alignment based on power coupling measurements alone cannot guara…