English
Related papers

Related papers: Optimal crosstalk suppression in multicore fibers

200 papers

Cooperative diversity systems are wireless communication systems designed to exploit cooperation among users to mitigate the effects of multipath fading. In fairly general conditions, it has been shown that these systems can achieve the…

Applications · Statistics 2009-11-13 Peter A. Parker , Patrick Mitran , Daniel W. Bliss , Vahid Tarokh

We investigate optical WDM transmission from the standpoint of an information-theoretic interference channel. Achievable rates that outperform treating interference as noise are presented and validated using split-step Fourier method…

Information Theory · Computer Science 2022-05-25 Viswanathan Ramachandran , Gabriele Liga , Astrid Barreiro , Alex Alvarado

Optimal control is a central problem in quantum thermodynamics. When minimizing dissipated work and work fluctuations defined via the two-point measurement scheme in open quantum systems, existing approaches largely focus on the rapid- and…

Quantum Physics · Physics 2026-04-08 Yuki Kurokawa , Yoshihiko Hasegawa

Truly polymorphic circuits, whose functionality/circuit behavior can be altered using a control variable, can provide tremendous benefits in multi-functional system design and resource sharing. For secure and fault tolerant hardware designs…

Hardware Architecture · Computer Science 2018-07-05 Naveen Kumar Macha , Sandeep Geedipally , Bhavana Repalle , Md Arif Iqbal , Wafi Danesh , Mostafizur Rahman

Optical pulses propagating in multimode optical fibers are affected by linear disorder and nonlinearity, and experience chaotic exchange of power among modes. On the other hand, complex systems can attain steady states characterized by…

Optics · Physics 2023-06-29 Mario Zitelli , Fabio Mangini , Stefan Wabnitz

Photonic integrated circuits play an important role in the field of optical computing, promising faster and more energy-efficient operations compared to their digital counterparts. This advantage stems from the inherent suitability of…

Emerging Technologies · Computer Science 2024-04-17 Isidora Teofilovic , Ali Cem , David Sanchez-Jacome , Daniel Perez-Lopez , Francesco Da Ros

This letter proposes a multi-stream selection framework for \ac{CF-MIMO} networks. Partially coherent transmission has been considered by clustering \acp{AP} into phase-aligned clusters to address the challenges of phase misalignment and…

Signal Processing · Electrical Eng. & Systems 2025-06-09 Esra Aycan Beyazıt , Jeroen Famaey , Nina Slamnik-Kriještorac , Johann M. Marquez-Barja , Miguel Camelo Botero

In gate-based dispersive sensing, the response of a resonator attached to a quantum dot gate is detected by a reflected radio-frequency signal. This enables fast readout of spin qubits and tune up of arrays of quantum dots, but comes at the…

The technological development of hardware heading toward universal fault-tolerant quantum computation requires a large-scale processing unit with high performance. While fluxonium qubits are promising with high coherence and large…

The cross-Kerr effect is studied for two pulses propagating in an atomic medium in a tripod configuration, dressed by a strong standing wave coupling beam. Nonlinear phase shifts for both transmitted and reflected beams are calculated…

Quantum Physics · Physics 2015-05-20 K. Slowik , A. Raczynski , J. Zaremba , S. Zielinska-Kaniasty , M. Artoni , G. C. La Rocca

We present a novel method to reduce the number of repeaters and amplifiers in trans-oceanic links by distributing a given data capacity in spatial channels. We analytically, numerically and experimentally demonstrate the principle and show…

Signal Processing · Electrical Eng. & Systems 2024-09-02 Smaranika Swain , Christian Koefoed Schou , Metodi Plamenov Yankov , Michael Galili , Leif Katsuo Oxenløwe

We derive a universal bound on the integrated total scattering cross-section at \emph{finite} energies, expressed in terms of a single low-energy coefficient constrained by the non-perturbative S-matrix Bootstrap. At high energies, the…

High Energy Physics - Theory · Physics 2025-06-06 Miguel Correia , Alessandro Georgoudis , Andrea L. Guerrieri

We review our last work on dispersion-engineered heterogeneous multicore fiber links designed to act as tunable true time delay lines for radiofrequency signals. This approach allows the realization of fiber distributed signal processing in…

Signal Processing · Electrical Eng. & Systems 2018-10-30 Sergi Garcia , Ivana Gasulla

Multimode fibers have been proposed for mitigating nonlinear effects in high-power fiber amplifiers, allowing for significant power scaling. Most previous studies on light propagation in continuous-wave fiber amplifiers focus on single mode…

We report on the realization of a novel fiber-optic radio frequency (RF) transfer scheme with the bidirectional frequency division multiplexing (FDM) dissemination technique. Here, the proper bidirectional frequency map used in the forward…

Instrumentation and Detectors · Physics 2021-07-07 Qi Li , Liang Hu , jinbo Zhang , Jianping Chen , Guiling Wu

Regular perturbation is applied to the Manakov equation and motivates a generalized correlated phase-and-additive noise model for wavelength-division multiplexing over dual-polarization optical fiber channels. The model includes three…

Information Theory · Computer Science 2021-04-19 Francisco Javier Garcia-Gomez , Gerhard Kramer

Multimode optical fibers has emerged as the platform that will bridge the gap between nonlinear optics in bulk media and in single-mode fibers. However, the understanding of the transition between these two research fields still remains…

Optics · Physics 2021-01-20 Bertrand Kibler , Pierre Béjot

We investigate intermodal forward Brillouin scattering in a solid-core PCF, demonstrating efficient power conversion between the HE11 and HE21 modes, with a maximum gain coefficient of 21.4/W/km. By exploring mechanical modes of different…

The stability of cortical function depends critically on proper regulation. Under conditions of migraine and stroke a breakdown of transmembrane chemical gradients can spread through cortical tissue. A concomitant component of this emergent…

Pattern Formation and Solitons · Physics 2009-11-13 Markus A. Dahlem , Felix M. Schneider , Eckehard Schoell

We present a method to suppress crosstalk from implementing controlled-Z gates via local addressing in neutral atom quantum computers. In these systems, a fraction of the laser light that is applied locally to implement gates typically…

Quantum Physics · Physics 2026-03-25 Gina Warttmann , Florian Meinert , Hans Peter Büchler , Sebastian Weber