Interoperable and Open Source Solution for Anchoring Augmented Reality Content to the Real World
This research demonstration presents an open source end-to-end solution for facilitating the anchoring of virtual content in the real world based on various platforms thanks to the interoperable specifications of the ETSI Augmented Reality...
A Fast and Accurate EDFA Model for the Optimization of Power-Efficient SDM Subsea Transmission Systems
In this paper, we present an adaptation of the extended Saleh model, using a coarse segmentation of the erbium doped fiber, to accurately include the impact of EDFA physics, with a limited complexity increase, in power efficiency predictions for...
Beam-Steered Sub-THz Channel Measurements in D-Band in an Industrial Environment
This paper presents results of a channel measurement campaign carried out in a production hall at a carrier frequency of 160 GHz which were analyzed with regards to beam-steering and macro-diversity gains.
On the Impact of OFDM Waveform in ISAC Systems
This paper highlights the differences between the standard matched filter (a correlation-based method) and symbol-domain processing, providing insights into how pulse shaping affects sensing performance in multicarrier schemes like OFDM....
Conflict Mitigation Approach for O-RAN xApps
Open Radio Access Network (O-RAN) enables interoperability by allowing operators to choose equipment from multiple vendors. However, conflicting objectives between xApps, such as energy efficiency and load balancing, require coordination, raising...
Angle-Resolved Channel Measurements at 28 and 160 GHz in Open Office Industrial-Like Environment
This paper investigates angle-resolved channel measurements at 28 and 160 GHz within an industrial-like open office environment. It presents findings on power metrics, delay, and angular characteristics based on 135 measurement positions. Results...
N-Heterocyclic Olefins of Pyrazole and Indazole
Deprotonation of 3-methylpyrazolium and 3-methylindazolium salts yielded N-heterocyclic olefins (NHOs), which reacted with isocyanates, halogens, and carbon disulfide. Calculated proton affinities are 261 kcal/mol (indazole NHOs) and 272 kcal/mol...
Datasets for QoT estimation in SDM networks
The advancement of machine learning (ML)-assisted solutions for monitoring and performance analysis in space-division multiplexing (SDM) networks has been significantly constrained by a shortage of large, well-structured, and publicly available...
High-Capacity THz Wireless Transmission Supporting Future 6G Optical Networks
The paper reviews recent developments in high-capacity THz wireless transmission, focusing on point-to-point links in the lower THz frequency range around 300 GHz. Available technologies and challenges for integration into future 6G optical...
140 GBd S-C-L-Band Transmission System Enabled by TFLN Coherent Driver Modulator and InP Coherent Receiver Engine
We demonstrate high symbol rate (128/140-Gbaud QPSK/16QAM) transmission for multi-band systems (S-C-L-band) with commercially available components. The broadband thin film lithium niobate high-bandwidth modulator and the HHI designed InP coherent...
Inter-hospital transferability of AI: A case study on phase recognition in cholecystectomy
Identifying surgical phases is a crucial component of surgical workflow analysis, facilitating the automated evaluation of surgical procedures’ performance and efficiency. A significant challenge in developing neural networks for surgical phase...
Realtime-Rendering of Dynamic Scenes with Neural Radiance Fields
This paper addresses the challenge of real-time rendering of dynamic 3D scenes using Instant Neural Graphics Primitives (iNGP), training a separate radiance field for each frame. To enable interactive VR playback, efficient data storage and...
Experimental demonstration of robust spatial-diversity combining for coherent free-space optical transmission
Spatial-diversity schemes are applied to improve signal quality of coherent free-space optical transmission systems with uncorrelated phase noise. We compare the performance of conventional schemes (MRC, SDC) to a newly proposed one (X-MRC).
Space-Division Multiplexed Transmission from the Lab to the Field
Researchers from the University of L’Aquila, NICT, Finisar, Prysmian, Nokia Bell Lab and Fraunhofer HHI Space-Division Multiplexed Transmission technologies from the Lab to the Field and present a summary for their work in this invited...
Timebin-Phase BB84 Quantum Key Distribution Using Telecom-Wavelength Fiber-Coupled SPADs
Single-photon avalanche detectors (SPADs), which operate without cryogenic cooling, are a core component for practical QKD systems. We demonstrate 13-hour continuous key generation with our timebin-phase BB84 QKD system using our InGaAs/InP SPAD,...
A Flexible Real-Time Quantum Key Distribution System for Fiber and Free-Space Links
To enable QKD in various scenarios, we developed a 625 MHz real-time autonomous timebin-phase QKD system with custom clock synchronization. We demonstrate the system’s performance and robustness under unstable link conditions, a variety of fiber...
Single-Carrier 2.56 Tb/s (3-mode x 128-GBd x DP-16QAM) Transmission over a 53.7 km Few Mode Fiber
We investigate high-symbol rate SDM transmission using 16 to 128 GBd QPSK, 16-QAM and 64-QAM modulation over a 3-mode fiber. An aggregated net rate of 2.56 Tb/s was obtained after 54 km transmission using 128 GBd 16-QAM signals.
Clock offset synchronization with sublinear complexity for quantum key distribution on low-level hardware
We introduce iQSync, a clock-offset recovery method for quantum key distribution. iQSync achieves sub-linear computational complexity, allowing for the implementation on low-level hardware. We demonstrate the method for channel attenuations...
Monolithic InP Ring Resonator based Laser with 40 kHz Linewidth and 40 nm Tuning Range
A narrow linewidth tunable laser based on ring resonators is presented. It uses low loss passive waveguides implemented in a monolithic InP photonic integrated circuit. The laser can be tuned over a wavelength range from 1559 nm to 1602 nm. The...
3DGS.zip: A survey on 3D Gaussian Splatting Compression Methods
3D Gaussian Splatting (3DGS) is a powerful technique for real-time radiance field rendering but is limited by its high storage and memory requirements. This survey provides the first comprehensive analysis of existing compression and compaction...