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MAEPD: A Foundation Model for Distributed Acoustic Sensing Signal Recognition via Masked Autoencoder Pre-Training and Adapter-Based Prompt Tuning. [PDF]
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Multi-Core Fiber Technology: Next Generation Optical Communication Strategy
IEEE Communications Standards Magazine, 2017Space-division multiplexing is expected to be a key technology both for dealing with the future capacity crunch facing traditional single- mode fiber and for realizing a sustainable optical network that can accommodate the various data streams originating from, for example, future 5G communication, the Internet of Things, and machine-to-machine ...
Kazuhide Nakajima +4 more
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Multi-Core Fiber Rotated Optical Switch for Remote Optical Fiber Switching
26th Optoelectronics and Communications Conference, 2021We propose an optical switch that rotates an MCF set in a cylindrical ferrule. We show the loss characteristics and examine the factor of the excess loss focusing on an offset between the each core.
Chisato Fukai +2 more
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Simple Multi-core Optical Fiber Accelerometer
Advanced Photonics 2018 (BGPP, IPR, NP, NOMA, Sensors, Networks, SPPCom, SOF), 2018We report on a compact accelerometer built with strongly coupled multi-core optical fiber. The device was placed in cantilever position. An ultra-miniature seismic mass was used to tune the device sensitivity and operating frequency range.
J. Villatoro +7 more
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Interferometric Fiber-Optic Gyroscope Using Multi-Core Fiber
2018 European Conference on Optical Communication (ECOC), 2018A novel configuration of an optical gyroscope which consists of multi-core fiber (MCF) and fan-in/fan-out devices is proposed. We fabricated the sensor coil by using seven-core fibers and successfully demonstrated an MCF gyroscope for the first time to our knowledge.
Shinji Mitani +5 more
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Thermally-Driven Mode Coupling in Multi-Core Optical Fibers
Advanced Photonics 2018 (BGPP, IPR, NP, NOMA, Sensors, Networks, SPPCom, SOF), 2018We present results on multi-core fibers (MCFs) for optical amplification/lasing obtained by combined thermal-optical finite-element method (FEM) simulations. Refractive index variation due to quantum defect caused heating is simulated to evaluate thermal dissipation-induced index gradients.
Rosa, L. +5 more
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Specialty multi-core optical fiber for biomedical lensless endoscopes
Optica Advanced Photonics Congress 2022, 2022We demonstrate a novel fiber-optic component, a “tapered multi-core fiber”, designed for integration into ultra-miniaturized endoscopes for minimally invasive imaging. We develop a numerical model and use it to identify optimal designs which we then fabricate and experimentally validate.
Moussawi, Fatima El +7 more
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Homogeneous multi-core fibers in future optical networks
2017 19th International Conference on Transparent Optical Networks (ICTON), 2017We discuss the prospects of using homogeneous, single mode multi-core fibers in future optical transmission systems. We describe the key features of such fibers including inter-core crosstalk and inter-core propagation delays together with the impact these features might have in different network scenarios. Finally, we describe a number of transmission
Ben Puttnam +6 more
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Distributed Supermode Coupling Measurements in Multi-Core Optical Fibers
Optical Fiber Communication Conference (OFC) 2020, 2020Coupling of supermodes in multicore fibers is investigated exploiting an OFDR to measure each core when injecting light into another one. Distributed analysis of cross-core coupling is reported for the first time in multicore fibers.
Veronese, Riccardo +9 more
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