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The field-free and highly efficient diodes with the nonreciprocity of supercurrent are believed to be the core block of the superconducting computing devices without dissipation. In this paper, we propose a Josephson diode based upon…

超导电性 · 物理学 2024-08-06 Qiang Cheng , Yue Mao , Qing-Feng Sun

Boltzmann tyranny poses a fundamental limit to lowering the energy dissipation of conventional MOS devices, a minimum increase of the gate voltage, i.e. 60 mV, is required for a 10-fold increase in drain-to-source current at 300 K. Negative…

应用物理 · 物理学 2018-04-30 Ali Saeidi , Farzan Jazaeri , Igor Stolichnov , Christian C. Enz , Adrian M. ionescu

Josephson junctions enable dissipation-less electrical current through metals and insulators below a critical current. Despite being central to quantum technology based on superconducting quantum bits and fundamental research into…

Rapid Single Flux Quantum (RSFQ) logic is a promising technology to supersede Complementary metal-oxide-semiconductor (CMOS) logic in some specialized areas due to providing ultra-fast and energy-efficient circuits. To realize a large-scale…

硬件体系结构 · 计算机科学 2022-08-23 Shucheng Yang , Xiaoping Gao , Jie Ren

In this article, we explore a new set of circuits, that incorporate both single-flux-quantum and quantized charge-based complementary quantum logic circuits. Circuits that convert single-flux-quantum voltage pulses to quantized charge…

应用物理 · 物理学 2019-09-04 Uday S. Goteti , Michael C. Hamilton

A flux qubit can have a relatively long decoherence time at the degeneracy point, but away from this point the decoherence time is greatly reduced by dephasing. This limits the practical applications of flux qubits. Here we propose a new…

超导电性 · 物理学 2009-11-11 J. Q. You , Xuedong Hu , S. Ashhab , Franco Nori

We report on fabrication of novel field-effect transistors (FETs) based on transition metal dichalcogenides. The unique structure of single crystals of these layered inorganic semiconductors enables fabrication of FETs with intrinsically…

材料科学 · 物理学 2009-11-10 V. Podzorov , M. E. Gershenson , Ch. Kloc , R. Zeis , E. Bucher

The superconducting phase qubit combines Josephson junctions into superconducting loops and defines one of the promising solid state device implementations for quantum computing. While conventional designs are based on magnetically…

介观与纳米尺度物理 · 物理学 2007-05-23 G. Blatter , V. B. Geshkenbein , L. Ioffe

The recently introduced energy-saving extension of the sub-optimal sliding mode control (SOSMC), which is known in the literature for the last two and half decades, incorporates a control-off mode that allows for saving energy during the…

系统与控制 · 电气工程与系统科学 2025-05-12 Michael Ruderman

The observation of room temperature sub-60 mV/dec subthreshold slope (SS) in MOSFETs with ferroelectric (FE) layers in the gate stacks or in series with the gate has attracted much attention. Recently, we modeled this effect in the…

介观与纳米尺度物理 · 物理学 2018-07-27 J. A. Kittl , B. Obradovic , D. Reddy , T. Rakshit , R. M. Hatcher , M. S. Rodder

Organic electrochemical transistors (OECTs) based on Poly(3,4-ethylenedioxythiophene):poly(styrene sulfonic acid) (PEDOT:PSS) are a benchmark system in organic bioelectronics. In particular, the superior mechanical properties and the…

Microwave circulators play an important role in quantum technology based on superconducting circuits. The conventional circulator design, which employs ferrite materials, is bulky and involves strong magnetic fields, rendering it unsuitable…

量子物理 · 物理学 2021-12-28 Dat Thanh Le , Clemens Muller , Rohit Navarathna , Arkady Fedorov , T. M. Stace

Superconducting devices with broken time-reversal and spatial-inversion symmetries can exhibit novel superconducting phenomena. The observation of superconducting diode effects, which is applicable for dissipationless rectification,…

A superconductor-normal metal-superconductor (SNS) transistor based on superconducting microcoolers is presented. The proposed 4-terminal device consists of a long SNS Josephson junction whose N region is in addition symmetrically connected…

超导电性 · 物理学 2008-07-12 F. Giazotto , F. Taddei , T. T. Heikkila , R. Fazio , F. Beltram

Qubits on solid state devices could potentially provide the rapid control necessary for developing scalable quantum information processors. Materials innovation and design breakthroughs have increased functionality and coherence of qubits…

Topological features of low dimensional superconductors have caused a lot of excitement recently because of their broad range of applications in quantum information and their potential to reveal novel phases of quantum matter. A potential…

超导电性 · 物理学 2015-06-18 Paul Matthews , Pedro Ribeiro , Antonio M. García-García

Traditional logical equivalence checking (LEC) which plays a major role in entire chip design process faces challenges of meeting the requirements demanded by the many emerging technologies that are based on logic models different from…

新兴技术 · 计算机科学 2020-05-29 Arash Fayyazi , Shahin Nazarian , Massoud Pedram

Using the functional integral method, we construct a theory of heterotic SIS Josephson junctions between single- and two-gap superconductors. The theory predicts the presence of in-phase and out-of-phase collective oscillation modes of…

超导电性 · 物理学 2009-06-14 Yukihiro Ota , Masahiko Machida , Tomio Koyama , Hideki Matsumoto

Joint communication and sensing (JCS) has become a promising technology for mobile networks because of its higher spectrum and energy efficiency. Up to now, the prevalent fast Fourier transform (FFT)-based sensing method for mobile JCS…

信息论 · 计算机科学 2022-11-09 Xu Chen , Zhiyong Feng , Zhiqing Wei , Xin Yuan , Ping Zhang , J. Andrew Zhang , Heng Yang

We study a superconducting single-electron transistor (SSET) which is coupled to a LC-oscillator via the phase difference across one of the Josephson junctions. This leads to a strongly anharmonic coupling between the SSET and the…

超导电性 · 物理学 2012-05-02 M. Marthaler , J. Leppäkangas , J. H. Cole