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Next-generation high-speed passive optical network (HS-PON) transceivers supporting 25, 50 and 100 Gb/s are under the early stage of their standardization process. One key aspect of this process is the choice of the best modulation format.…

Signal Processing · Electrical Eng. & Systems 2019-04-15 Pablo Torres-Ferrera , Valter Ferrero , Maurizio Valvo , Roberto Gaudino

The conversion between amplitude modulation and phase modulation as a modulated signal goes thrugh a filter is analyzed. The difference in how the modulated sideband ampitude experience the filter, and how AM and PM has opposite signs for…

Signal Processing · Electrical Eng. & Systems 2018-05-21 Magnus Danielson

We study the influence of the polarization angle of linear radiation on the radiation-induced magnetoresistance oscillations in two-dimensional electron systems and examine the polarization immunity on the temperature and quality of the…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 Jesus Inarrea

Electromagnetic (EM) body models based on the scalar diffraction theory allow to predict the impact of subject motions on the radio propagation channel without requiring a time-consuming full-wave approach. On the other hand, they are less…

Signal Processing · Electrical Eng. & Systems 2024-05-16 Federica Fieramosca , Vittorio Rampa , Stefano Savazzi , Michele D'Amico

Correlation radiometers make true differential measurements in power with high accuracy and small systematic errors. This receiver architecture has been used in radio astronomy for measurements of continuum radiation for over 50 years; this…

Astrophysics · Physics 2007-05-23 A. I. Harris

This study introduces a dual-band plasmonic absorber designed for simultaneous sensing applications in the near-infrared (NIR) and mid-infrared (MIR) regions. The absorber, composed of silver nanostructures on a metal plate with a…

Optics · Physics 2024-11-20 Ayon Sarker , Sajid Muhaimin Choudhury

In this letter, a single-layer dual-band flexible conformal filtering endfire antenna is presented. The proposed antenna is based on two co-designed folded dipoles (FDs) working at two frequencies, where the lower-frequency FD acts as a…

Systems and Control · Electrical Eng. & Systems 2025-09-26 Fan Qin , Runkai Song , Chao Gu , Wenchi Cheng , Steven Gao

Beamforming is traditionally associated with coherent summation of signals from antenna elements of the same polarization, here referred to as single polarization beamforming (SPBF). In this paper we focus on a new method, called dual…

Signal Processing · Electrical Eng. & Systems 2019-10-23 Sven O. Petersson

This paper considers a single-cell massive MIMO (multiple-input multiple-output) system with dual-polarized antennas at both the base station and users. We study a channel model that includes the key practical aspects that arise when…

Information Theory · Computer Science 2022-09-21 Özgecan Özdogan , Emil Björnson

The root raised-cosine pulse commonly used in linear digital modulations yields exactly two intersymbol interference components from the preceding and the subsequent data symbols, provided that the roll-off factor is $100\%$ and the…

Information Theory · Computer Science 2023-01-05 Pavel Loskot

Mapping the polarization of the Cosmic Microwave Background is yielding exciting data on the origin of the universe, the reionization of the universe, and the growth of cosmic structure. Kilopixel arrays represent the current state of the…

Polarforming has emerged as a promising technique to enable the antenna to shape its polarization into a desired state for aligning with that of the received electromagnetic (EM) wave or reconfiguring that of the transmitted EM wave. In…

Systems and Control · Electrical Eng. & Systems 2025-10-21 Zijian Zhou , Jingze Ding , Rui Zhang

We study the interaction of a weak probe field, having two orthogonally polarized components, with an optically dense medium of four-level atoms in a tripod configuration. In the presence of a coherent driving laser, electromagnetically…

Quantum Physics · Physics 2007-05-23 David Petrosyan , Yuri P. Malakyan

We introduce a new method for robust beamforming, where the goal is to estimate a signal from array samples when there is uncertainty in the angle of arrival. Our method offers state-of-the-art performance on narrowband signals and is…

Signal Processing · Electrical Eng. & Systems 2024-06-25 Nakul Singh , Coleman DeLude , Mark A. Davenport , Justin Romberg

A compact analytical model is developed for the mobile charge density of polar multiple channel field effect transistors. Two dimensional electron and hole gases can be potentially induced by spontaneous and piezoelectric polarization in…

Applied Physics · Physics 2026-03-30 Aias Asteris , Thai-Son Nguyen , Huili Grace Xing , Debdeep Jena

this paper is part of the Prelaunch status LFI papers published on JINST: http://www.iop.org/EJ/journal/-page=extra.proc5/jinst The Low Frequency Instrument is optically interfaced with the ESA Planck telescope through 11 corrugated feed…

Instrumentation and Methods for Astrophysics · Physics 2010-01-27 F. Villa , O. D'Arcangelo , M. Pecora , L. Figini , R. Nesti , A. Simonetto , C. Sozzi , M. Sandri , P. Battaglia , P. Guzzi , M. Bersanelli , R. C. Butler , N. Mandolesi

We study the role of a direct intracavity polarization coupling in the dynamics of transverse pattern formation in type-II optical parametric oscillators. Transverse intensity patterns are predicted from a stability analysis, numerically…

Pattern Formation and Solitons · Physics 2009-11-07 Gonzalo Izus , Maxi San Miguel , Daniel Walgraef

This communication proposes a dual-wideband differentially fed dual-polarized magnetoelectric (ME) dipole with second-order bandstop filtering for millimeter-wave (mm-Wave) applications at 24.25-29.5 GHz and 37-43.5 GHz. Without disturbing…

Systems and Control · Electrical Eng. & Systems 2023-12-18 Jiangcheng Chen , Markus Berg , Kimmo Rasilainen , Zeeshan Siddiqui , Marko E. Leinonen , Aarno Pärssinen

This contribution provides experimental evidence for the two-wave with diffuse power (TWDP) fading model. We have conducted two indoor millimetre wave measurement campaigns with directive horn antennas at both link ends. One horn antenna is…

Signal Processing · Electrical Eng. & Systems 2018-04-11 Erich Zöchmann , Sebastian Caban , Christoph F. Mecklenbräuker , Stefan Pratschner , Martin Lerch , Stefan Schwarz , Markus Rupp

In the context of the Galactic Emission Mapping, a new receiver at 5GHz was developed to characterize the galactic foreground to the Cosmic Microwave Background Radiation. This is a 5GHz super heterodyne polarimeter with double down…

Instrumentation and Methods for Astrophysics · Physics 2010-10-18 Miguel Bergano , Luis Cupido , Domingos Barbosa , Rui Fonseca , Bruce Grossan , George Smoot