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Related papers: A Hardware/Firmware-Based Switching Gate Multiplex…

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Space Division Multiplexing (SMD) is a very attractive technique for addressing the ever-growing demands in transmission capacity by enabling the use of a new parameter \textemdash\ space \textemdash\ to increase the number of channels in…

Multi-controlled gates are essential primitives in quantum algorithms, yet implementing them via standard gate-level decompositions remains resource-intensive. We develop efficient pulse-level implementations of multi-controlled gates in…

Quantum Physics · Physics 2026-05-07 Minhyeok Kang , Taejin Kim , Jungsoo Hong , Joonsuk Huh

Switch-mode power converters are used in various applications to convert between different voltage (or current) levels. They use transistors to switch on and off the input voltage to generate a pulsed voltage whose arithmetic average is the…

Computational Engineering, Finance, and Science · Computer Science 2019-11-11 Andreas Pels , Ruth V. Sabariego , Sebastian Schöps

Multi-qubit parity measurements are at the core of many quantum error correction schemes. Extracting multi-qubit parity information typically involves using a sequence of multiple two-qubit gates. In this paper, we propose a superconducting…

Quantum Physics · Physics 2023-04-11 Kasper Sangild Christensen , Nikolaj Thomas Zinner , Morten Kjaergaard

Increasing electric current from a single-electron source is a main challenge in an effort to establish the standard of the ampere defined by the fixed value of the elementary charge $e$ and operation frequency $f$. While the current scales…

Mesoscale and Nanoscale Physics · Physics 2024-07-09 S. Norimoto , P. See , N. Schoinas , I. Rungger , T. O. Boykin , M. D. Stewart , J. P. Griffiths , C. Chen , D. A. Ritchie , M. Kataoka

The scaling up of trapped-ion quantum processors based on the quantum charge-coupled device (QCCD) architecture is difficult owing to the extensive electronics and high-density wiring required to control numerous trap electrodes. In…

Quantum Physics · Physics 2025-07-10 Ryutaro Ohira , Shinichi Morisaka , Ippei Nakamura , Atsushi Noguchi , Takefumi Miyoshi

The prevalent need for very high-speed digital signals processing in wireless communications has driven the communications system to high-performance levels. The objective of this paper is to propose a novel structure for efficient…

Signal Processing · Electrical Eng. & Systems 2018-06-13 Yazan Samir Algnabi , Furat A. Aldaamee , Rozita Teymourzadeh

The Delay Line Distribution System (DLDS) is an alternative to conventional pulse compression, which enhances the peak power of rf sources while matching the long pulse of those sources to the shorter filling time of accelerator structures.…

Accelerator Physics · Physics 2009-11-07 S. G. Tantawi , C. Nantista , N. Kroll , Z. Li , R. Miller , R. Ruth , P. Wilson , J. Neilson

The development of quantum computers based on superconductors requires the improvement of the qubit state control approach aimed at the increase of the hardware energy efficiency. A promising solution to this problem is the use of…

Quantum Physics · Physics 2023-10-19 Vsevolod Vozhakov , Marina Bastrakova , Nikolay Klenov , Arkady Satanin , Igor Soloviev

Spectral properties and performance of multi-pulse impulse radio ultra-wideband systems with pulse-based polarity randomization are analyzed. Instead of a single type of pulse transmitted in each frame, multiple types of pulses are…

Information Theory · Computer Science 2007-07-13 Sinan Gezici , Zafer Sahinoglu , Hisashi Kobayashi , H. Vincent Poor

We present a MHz frequency-division dc-SQUID multiplexer that is based on flux ramp modulation and a series array of $N$ identical current-sensing dc-SQUIDs with tightly coupled input coil. By running a periodic, sawtooth-shaped current…

Aims. We aim to elucidate the pulsar radio emission by studying several single-pulse phenomena, how they relate, and how they evolve with observing frequency. We intend to inspire models for the pulsar radio emission and fast radio bursts.…

High Energy Astrophysical Phenomena · Physics 2025-03-19 F. Jankowski , J. -M. Griessmeier , M. Surnis , G. Theureau , J. Petri

We present a composite pulse controlled phase gate which together with a bus architecture improves the feasibility of a recent quantum computing proposal based on rare-earth-ion doped crystals. Our proposed gate operation is tolerant to…

Quantum Physics · Physics 2007-05-23 Janus Wesenberg , Klaus Moelmer

A highly integrated, high performance, and re-configurable device, which is designed for the Nitrogen-Vacancy center based quantum applications, is reported. The digital compartment of the device is fully implemented in a…

Instrumentation and Detectors · Physics 2017-02-01 X. Qin , Z. Shi , Y. Xie , L. Wang , X. Rong , W. Jia , W. Zhang , J. Du

We present two implementations of photon counting time-multiplexing detectors for near-infrared wavelengths, based on Peltier cooled InGaAs/InP avalanche photo diodes (APDs). A first implementation is motivated by practical considerations…

Quantum Physics · Physics 2015-05-19 Patrick Eraerds , Jun Zhang , Enrico Pomarico , Bruno Sanguinetti , Rob Thew , Hugo Zbinden

Neural networks are exerting burgeoning influence in emerging artificial intelligence applications at the micro-edge, such as sensing systems and image processing. As many of these systems are typically self-powered, their circuits are…

Signal Processing · Electrical Eng. & Systems 2019-10-21 Sergey Mileiko , Rishad Shafik , Alex Yakovlev , Jonathan Edwards

We present a few-parameter ansatz for pulses to implement a broad set of simultaneous single-qubit rotations in frequency-crowded multilevel systems. Specifically, we consider a system of two qutrits whose working and leakage transitions…

Quantum Physics · Physics 2016-01-18 L. S. Theis , F. Motzoi , F. K. Wilhelm

Background: Parallel transmit (pTx) has introduced many benefits to MRI with regard to decreased specific absorption rates and improved transmit field homogeneity, of particular importance in applications at higher magnetic field strengths.…

High-energy tens (10s) to hundreds (100s) petawatt (PW) lasers are key tools for exploring frontier fundamental researches such as strong-field quantum electrodynamics (QED), and the generation of positron-electron pair from vacuum.…

Optics · Physics 2023-09-12 Jun Liu , Xiong Shen , Shuman Du , Ruxin Li

In this work, we describe a logic device in which an act of computation is associated with finding a path connecting input and output ports. The device is based on an active ring circuit comprising electric and magnetic parts. The electric…

Emerging Technologies · Computer Science 2022-03-01 Alexander Khitun , Michael Balinskiy