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Noise can induce coherent oscillations in excitable systems without periodic orbits. Here, we establish a method to derive a hybrid system approximating the noise-induced coherent oscillations in excitable systems and further perform phase…

Adaptation and Self-Organizing Systems · Physics 2022-05-26 Jinjie Zhu , Yuzuru Kato , Hiroya Nakao

Surface acoustic waves (SAWs), with their five orders-of-magnitude slower propagation velocity, allow for considerably shorter wavelengths at the same frequency compared to electromagnetic waves. The short wavelengths allow for device…

This paper proposes a closed-loop sparse channel estimation (CE) scheme for wideband millimeter-wave hybrid full-dimensional multiple-input multiple-output and time division duplexing based systems, which exploits the channel sparsity in…

Information Theory · Computer Science 2019-09-17 Anwen Liao , Zhen Gao , Hua Wang , Sheng Chen , Mohamed-Slim Alouini , Hao Yin

A programmable ultra-wideband sliding correlator-based channel sounder with high temporal and spatial resolution is designed in standard 65 nm CMOS. The baseband chip can be configured either as a baseband transmitter to generate a…

Signal Processing · Electrical Eng. & Systems 2019-04-23 Ting Wu , Theodore S. Rappaport , Michael E. Knox , Davood Shahrjerdi

Performance assessment and optimization for networks jointly performing caching, computing, and communication (3C) has recently drawn significant attention because many emerging applications require 3C functionality. However, studies in the…

Information Theory · Computer Science 2022-06-09 Ming-Chun Lee , Andreas F. Molisch

Surface acoustic waves have emerged as one of the potential candidates for the development of next-generation wave-based information and computing technologies. For practical devices, it is essential to develop the excitation techniques for…

We study the current noise spectrum of qubits under transport conditions in a dissipative bosonic environment. We combine (non-)Markovian master equations with correlation functions in Laplace-space to derive a noise formula for both weak…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 R. Aguado , T. Brandes

We address the use of optical parametric oscillator (OPO) to counteract phase-noise in quantum optical communication channels, and demonstrate reduction of phase diffusion for coherent signals travelling through a suitably tuned OPO. In…

Quantum Physics · Physics 2020-04-29 Simone Cialdi , Edoardo Suerra , Stefano Olivares , Stefano Capra , Matteo G. A. Paris

Sensitivity of linear continuous-time control systems, subject to control and measurement noise, is analyzed by deriving the lower bounds of Bode-like integrals via an information-theoretic approach. Bode integrals of four different…

Systems and Control · Computer Science 2018-11-27 Neng Wan , Dapeng Li , Naira Hovakimyan

One of the notorious problems of frequency modulated continuous-wave (FMCW) radar is leakage between the transmitter and the receiver. The phase noise of the leakage is expressed as a skirt around the leakage signal on power spectrum. It…

Signal Processing · Electrical Eng. & Systems 2019-03-27 Junhyeong Park , Seungwoon Park , Seong-Ook Park

Sound event detection (SED) is the task of identifying sound events along with their onset and offset times. A recent, convolutional neural networks based SED method, proposed the usage of depthwise separable (DWS) and time-dilated…

Sound · Computer Science 2020-07-13 Konstantinos Drossos , Stylianos I. Mimilakis , Tuomas Virtanen

We measure oscillator phase from the zero crossings of the voltage vs. time waveform of a spin torque nanocontact oscillating in a vortex mode. The power spectrum of the phase noise varies with Fourier frequency $f$ as $1/f^2$, consistent…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Mark W. Keller , A. B. Kos , T. J. Silva , W. H. Rippard , M. R. Pufall

We report a development of an electro-optomechanical system based on a surface acoustic wave (SAW), where a piezoelectric material with a large optoelastic susceptibility is used for the coupling of both a radio wave and optical light to…

The resolution of low-frequency resistance noise measurements can be increased by amplitude modulation, shifting the spectrum of the resistance fluctuations away from the 1/f noise contributed by measurement instruments. However, commercial…

Instrumentation and Detectors · Physics 2025-05-28 Tim Thyzel

The noise dynamics of an Optical Frequency Comb (OFC) based on a mode-locked Ti-Sapphire laser is analyzed in terms of noise modes. A spectrally resolved multipixel homodyne detection enables the simultaneous measurement of the amplitude…

Instrumentation and Detectors · Physics 2021-08-04 Matthieu Ansquer , Valérian Thiel , Syamsundar De , Bérengère Argence , Gregory Gredat , Fabien Bretenaker , Nicolas Treps

In this paper, an experimental analysis of the phase noise in an OFDM ARoF setup at 25 GHzfor beyond 5G is presented. The configuration of the setup allows to gradually scale the final phase noise level of the system. Moreover, an OFDM…

Signal Processing · Electrical Eng. & Systems 2021-09-16 Javier Pérez Santacruz , Simon Rommel , Antonio Jurado Navas , Ulf Johannsen , Idelfonso Tafur Monroy

Photonic-based low-phase-noise microwave generation with real-time frequency tuning is crucial for a broad spectrum of subjects, including next-generation wireless communications, radar, metrology, and modern instrumentation. Here, for the…

Heterodyne interferometry for precision science often comes with an optical phase modulation, for example, for intersatellite clock noise transfer for gravitational wave (GW) detectors in space, exemplified by the Laser Interferometer Space…

Instrumentation and Methods for Astrophysics · Physics 2025-12-22 Kohei Yamamoto , Olaf Hartwig , Lennart Wissel , Holly Leopardi , Kenji Numata , Ryan Derosa

The implementation of a quantum computer requires a qubit-specific measurement capability to read-out the final state of a quantum system. The model of spin dependent tunneling followed by charge readout has been highly successful in…

Mesoscale and Nanoscale Physics · Physics 2015-04-07 M. F. Gonzalez-Zalba , A. J. Ferguson , S. Barraud , A. C. Betz

We demonstrate a Raman laser system based on phase modulation technology and phase feedback control. The two laser beams with frequency difference of 6.835 GHz are modulated using electro-optic and acousto-optic modulators, respectively.…

Optics · Physics 2017-03-08 Wei Li , Xiong Pan , Ningfang Song , Xiaobin Xu , Xiangxiang Lu
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