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In our previous paper [Phys. Rev. E 95, 062122 (2017)] we considered the optical channel modelled by the nonlinear Schr\"odinger equation with zero dispersion and additive Gaussian noise. We found per-sample channel capacity rof this model.…

Information Theory · Computer Science 2019-01-23 A. V. Reznichenko , A. I. Chernykh , S. V. Smirnov , I. S. Terekhov

In the high-mobility scenarios of next-generation wireless communication systems (beyond 5G/6G), the performance of orthogonal frequency division multiplexing (OFDM) deteriorates drastically due to the loss of orthogonality between the…

Signal Processing · Electrical Eng. & Systems 2023-03-01 Yu Zhou , Haoran Yin , Jiaojiao Xiong , Shiyu Song , Jiajun Zhu , Jinming Du , Haibo Chen , Yanqun Tang

Information-theoretic metrics to analyze optical fiber communications systems with binary and nonbinary soft-decision FEC are reviewed. The numerical evaluation of these metrics in both simulations and experiments is also discussed.…

Information Theory · Computer Science 2020-06-05 Alex Alvarado

We report on the experimental investigation of a high-frequency (1MHz - 1.8GHz) dielectric dispersion in unpoled and poled Pb(Zr,Ti)O3 ceramics. Two overlapping loss peaks could be revealed in the dielectric spectrum. The linear dependence…

Materials Science · Physics 2015-05-13 Viktor Porokhonskyy , Li Jin , Dragan Damjanovic

It is predicted within the Standard Model of elementary particles that asymmetric neutrino environments cause rotation of linear polarization of electromagnetic wave -- the birefringence. We demonstrate that this effect is strongly enhanced…

High Energy Physics - Phenomenology · Physics 2022-10-05 Mariia Petropavlova , Adam Smetana

The study of loss function distributions is critical to characterize a model's behaviour on a given machine learning problem. For example, while the quality of a model is commonly determined by the average loss assessed on a testing set,…

Machine Learning · Computer Science 2023-06-06 Etrit Haxholli , Marco Lorenzi

The propagation of a coherent optical linear wave in an ensemble of semiconductor quantum dots is considered. It is shown that a distribution of transition dipole moments of the quantum dots changes significantly the polarization and Beer's…

Optics · Physics 2010-03-03 G. T. Adamashvili , A. A. Maradudin

In this paper, we newly present a closed-form bit-error rate (BER) expression for an $M$-ary pulse-amplitude modulation ($M$-PAM) over additive white Gaussian noise (AWGN) channels by analytically characterizing the bit decision regions and…

Information Theory · Computer Science 2021-01-05 Thanh V. Pham , Thang V. Nguyen , Anh T. Pham

Quantum network protocols depend on the availability of shared entanglement. Given that entanglement generation and distribution are affected by noise, characterization of the shared entangled states is essential to bound the errors of the…

Quantum Physics · Physics 2025-10-31 Noah Kaufmann , Maria Quadeer , David Elkouss

The outage probability performance of a dual-hop amplify-and-forward selective relaying system with global relay selection is analyzed for Nakagami-$m$ fading channels in the presence of multiple interferers at both the relays and the…

Networking and Internet Architecture · Computer Science 2014-10-07 Kezhi Wang , Yunfei Chen , Marco Di Renzo

We present a formalism to predict the Polarization Degree (PD) for synchrotron emission from particles having a specified energy distribution in the presence of an ordered and random magnetic field configuration. The broad band spectral…

High Energy Astrophysical Phenomena · Physics 2025-02-27 Ranjeev Misra , Hritwik Bora , Rupjyoti Gogoi

We present a statistical description of the propagation of short pulses in long optical fibers, taking into account the Kerr and nonlocal nonlinearities on an equal footing. We use the Wigner approach on the modified nonlinear Schroedinger…

Optics · Physics 2009-11-11 P. K. Shukla , M. Marklund

Er-doped random fiber laser (ERFL) is a complex physical system, and understanding its intrinsic physical mechanisms is crucial for promoting applications. In this paper, we experimentally investigate the time-domain statistical properties…

The spontaneous emergence of ordered structures, known as Turing patterns, in complex networks is a phenomenon that holds potential applications across diverse scientific fields, including biology, chemistry, and physics. Here, we present a…

Physics and Society · Physics 2023-09-26 Jiaying Zhou , Yong Ye , Alex Arenas , Sergio Gómez , Yi Zhao

We study radio-frequency spectrum of ellipticity noise of a probe laser beam transmitted through a cell with cesium vapor in a magnetic field. The experimental results are interpreted in terms of the model proposed by Gorbovitskii and Perel…

Atomic Physics · Physics 2020-02-17 G. G. Kozlov , A. A. Fomin , M. Yu. Petrov , V. S. Zapasskii

In random access protocols, the service rate depends on the number of stations with a packet buffered for transmission. We demonstrate via numerical analysis that this state-dependent rate along with the consideration of Poisson traffic and…

Networking and Internet Architecture · Computer Science 2014-05-23 Cristina Cano , David Malone

We consider a molecular communication system comprised of a transmitter, an absorbing receiver, and an interference source. Assuming amplitude modulation, we analyze the dependence of the bit error rate (BER) on the detection interval,…

Information Theory · Computer Science 2020-05-05 Trang Ngoc Cao , Nikola Zlatanov , Phee Lep Yeoh , Jamie S. Evans

We show that the failure time $\tau_f$ in fiber bundle model, taken as a prototype of heterogeneous materials, depends crucially on the strength of the disorder $\delta$ and the stress release range $R$ in the system. For $R$ beyond a…

Disordered Systems and Neural Networks · Physics 2019-10-30 Subhadeep Roy , Soumyajyoti Biswas , Purusattam Ray

An orthogonal time sequency multiplexing (OTSM) scheme using practical signaling functions is proposed under strong phase noise (PHN) scenarios. By utilizing the transform relationships between the delay-sequency (DS), time-frequency (TF)…

Information Theory · Computer Science 2024-02-05 Zeping Sui , Hongming Zhang , Hien Quoc Ngo , Michail Matthaiou , Lajos Hanzo

We experimentally study a fiber loop laser in the Figure-8 configuration, and explore the dependency of the degree of polarization on controlled parameters. To account for the experimental observations, a mapping is derived to evaluate the…

Optics · Physics 2024-06-19 Banoj Kumar Nayak , Cijy Mathai , Dmitry Panna , Eyal Buks