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Underwater communication is extremely challenging for small underwater robots which typically have stringent power and size constraints. In our previous work, we developed an artificial electrocommunication system which could be an…

Robotics · Computer Science 2020-08-25 Qinghao Wang , Ruijun Liu , Wei Wang , Guangming Xie

We report the dynamic characterization of the spin-torque-driven in-plane precession modes of a spin-torque nano-oscillator based on two different synthetic ferrimagnets: a pinned one characterized by a strong RKKY interaction which is…

Mesoscale and Nanoscale Physics · Physics 2024-03-07 E. Monteblanco , F. Garcia-Sanchez , M. Romera , D. Gusakova , L. D. Buda-Prejbeanu , U. Ebels

Single-Radio-Frequency (RF) Multiple-Input-Multiple-Output (MIMO) systems such as the spatial modulation (SM) system and the space shift keying (SSK) system have been proposed to pursue a high spectral efficiency while keeping a low cost…

Information Theory · Computer Science 2021-10-22 Jiliang Zhang , Yang Wang , Jie Zhang , Liqin Ding

Analog network coding (ANC) is a throughput increasing technique for the two-way relay channel (TWRC) whereby two end nodes transmit simultaneously to a relay at the same time and band, followed by the relay broadcasting the received sum of…

Information Theory · Computer Science 2017-03-07 Terry Ferrett , Matthew C. Valenti

Solid state spin qubits are promising candidates for quantum information processing, but controlled interactions and entanglement in large, multi-qubit systems are currently difficult to achieve. We describe a method for programmable…

We present the concept of a passive spin-wave device which is able to distinguish different radio-frequency pulse trains and validate its functionality using micromagnetic simulations. The information is coded in the phase of the individual…

Quantum state transfer in optical microcavities plays an important role in quantum information processing, and is essential in many optical devices, such as optical frequency converter and diode. Existing schemes are effective and realized…

Optics · Physics 2019-12-03 Xu-sheng Xu , Hao Zhang , Xiang-Yu Kong , Min Wang , Gui-Lu Long

The presented paper introduces a design for a phase-locked loop (PLL) that is utilized in frequency synthesis and modulation-demodulation within communication systems and in VLSI applications. The CMOS PLL is designed using 180 nm…

Systems and Control · Electrical Eng. & Systems 2024-06-21 Priyam Kumar , Akshada Khele , Aditee C. Joshi

In modern communication system, modulation is a key function that embeds the baseband signal (information) into a carrier wave so that it can be successfully broadcasted through a medium such as air or cables. A flexible signal modulation…

Materials Science · Physics 2012-08-24 Seunghyun Lee , Kyunghoon Lee , Chang-Hua Liu , Girish S. Kulkarni , Zhaohui Zhong

The emerging field of nano-magnonics utilizes high-frequency waves of magnetization - the spin waves - for the transmission and processing of information on the nanoscale. The advent of spin-transfer torque has spurred significant advances…

Mesoscale and Nanoscale Physics · Physics 2018-07-06 Boris Divinskiy , Vladislav E. Demidov , Sergei Urazhdin , Ryan Freeman , Anatoly B. Rinkevich , Sergej O. Demokritov

Oscillators designed to function at cryogenic temperatures play a critical role in superconducting electronics and quantum computing by providing stable, low noise signals with minimal energy loss.Here we present a comprehensive numerical…

Emerging Technologies · Computer Science 2025-08-08 Md Mazharul Islam , Md Shafayat Hossain , Kathleen E Hamilton , Ahmedullah Aziz

Analog, low-voltage electronics show great promise in producing silicon neurons (SiNs) with unprecedented levels of energy efficiency. Yet, their inherently high susceptibility to process, voltage and temperature (PVT) variations, and noise…

Neurons and Cognition · Quantitative Biology 2021-12-30 Tai Miyazaki Kirby , Luka Ribar , Rodolphe Sepulchre

We propose Multi-Antenna (MA) Towards Inband Shift Keying (TISK): a new multi-carrier radio concept to cope with critical link budgets. In contrast to common proposals that rely on analog beamforming at both transmitter and receiver,…

Information Theory · Computer Science 2024-02-21 Ralf R. Müller

The majority of modern communication systems adopts quadrature amplitude modulation (QAM) constellations as transmission schemes. Due to their square structure, however, QAM do not provide satisfying protection to phase noise effects as the…

Information Theory · Computer Science 2018-12-07 Paul Ferrand , Marco Maso , Valerio Bioglio

Radio-frequency reflectometry of nanodevices requires careful separation of signal quadratures to distinguish dissipative and dispersive contributions to the device impedance. A tunable phase shifter for this purpose is described and…

Instrumentation and Detectors · Physics 2014-12-16 G. Yin , G. A. D. Briggs , E. A. Laird

The nitrogen-vacancy (NV) centre in diamond is a leading platform for nanoscale sensing and imaging, as well as quantum information processing in the solid state. To date, individual control of two NV electronic spins at the nanoscale has…

Electric control of spins has been a longstanding goal in the field of solid state physics due to the potential for increased efficiency in information processing. This efficiency can be optimized by transferring spintronics to the atomic…

Mesoscale and Nanoscale Physics · Physics 2023-11-30 Piotr Kot , Maneesha Ismail , Robert Drost , Janis Siebrecht , Haonan Huang , Christian R. Ast

Shape transformation, a key mechanism for organismal survival and adaptation, has gained importance across fields as diverse as electronics and medicine. However, designing and controlling microscale shape-shifting materials remains a…

Applied Physics · Physics 2023-07-13 Zhiyuan Zhang , Zhan Shi , Daniel Ahmed

Spintronics had a widespread impact over the past decades due to transferring information by spin rather than electric currents. Its further development requires miniaturization and reduction of characteristic timescales of spin dynamics…

Can we build small neuromorphic chips capable of training deep networks with billions of parameters? This challenge requires hardware neurons and synapses with nanometric dimensions, which can be individually tuned, and densely connected.…