Search Results - "Ohki, A"
-
1
Observation of the Dirac fluid and the breakdown of the Wiedemann-Franz law in graphene
Published in Science (American Association for the Advancement of Science) (04-03-2016)“…Interactions between particles in quantum many-body systems can lead to collective behavior described by hydrodynamics. One such system is the electron-hole…”
Get full text
Journal Article -
2
Characterization of addressability by simultaneous randomized benchmarking
Published in Physical review letters (11-12-2012)“…The control and handling of errors arising from cross talk and unwanted interactions in multiqubit systems is an important issue in quantum information…”
Get full text
Journal Article -
3
Kinetic inductance traveling-wave amplifiers for multiplexed qubit readout
Published in Applied physics letters (10-12-2018)“…We describe a kinetic inductance traveling-wave (KIT) amplifier suitable for superconducting quantum information measurements and characterize its wideband…”
Get full text
Journal Article -
4
Development of high frequency and wide bandwidth Johnson noise thermometry
Published in Applied physics letters (12-01-2015)“…We develop a high frequency, wide bandwidth radiometer operating at room temperature, which augments the traditional technique of Johnson noise thermometry for…”
Get full text
Journal Article -
5
Cryogenic Memory Architecture Integrating Spin Hall Effect based Magnetic Memory and Superconductive Cryotron Devices
Published in Scientific reports (14-01-2020)“…One of the most challenging obstacles to realizing exascale computing is minimizing the energy consumption of L2 cache, main memory, and interconnects to that…”
Get full text
Journal Article -
6
Direct observation of coherent population trapping in a superconducting artificial atom
Published in Physical review letters (23-04-2010)“…The phenomenon of coherent population trapping (CPT) of an atom (or solid state "artificial atom"), and the associated effect of electromagnetically induced…”
Get full text
Journal Article -
7
Demonstration of robust quantum gate tomography via randomized benchmarking
Published in New journal of physics (05-11-2015)“…Typical quantum gate tomography protocols struggle with a self-consistency problem: the gate operation cannot be reconstructed without knowledge of the initial…”
Get full text
Journal Article -
8
Quantum reservoir computing with a single nonlinear oscillator
Published in Physical review research (25-01-2021)“…Realizing the promise of quantum information processing remains a daunting task given the omnipresence of noise and error. Adapting noise-resilient classical…”
Get full text
Journal Article -
9
High-Fidelity Control of Superconducting Qubits Using Direct Microwave Synthesis in Higher Nyquist Zones
Published in IEEE transactions on quantum engineering (2020)“…Control electronics for superconducting quantum processors have strict requirements for accurate command of the sensitive quantum states of their qubits…”
Get full text
Journal Article -
10
Graphene-based Josephson junction microwave bolometer
Published in Nature (London) (01-10-2020)“…Sensitive microwave detectors are essential in radioastronomy 1 , dark-matter axion searches 2 and superconducting quantum information science 3 , 4 . The…”
Get full text
Journal Article -
11
Hilbert space as a computational resource in reservoir computing
Published in Physical review research (01-07-2022)“…Accelerating computation with quantum resources is limited by the challenges of high-fidelity control of quantum systems. Reservoir computing presents an…”
Get full text
Journal Article -
12
Scalability of spectrum-sliced DWDM transmission and its expansion using forward error correction
Published in Journal of lightwave technology (01-03-2006)“…This paper clarifies the scalability of spectrum-sliced dense wavelength-division-multiplexing (DWDM) transmission systems primarily intended for metro access…”
Get full text
Journal Article -
13
Leaching characteristics of boron and selenium for various coal fly ashes
Published in Fuel (Guildford) (01-03-2005)“…The leaching characteristics of B and Se for coal fly ash (CFA) were examined. Twenty-one CFA samples were subjected to a leaching test, in which CFA was…”
Get full text
Journal Article -
14
Josephson junction infrared single-photon detector
Published in Science (American Association for the Advancement of Science) (23-04-2021)“…Josephson junctions are superconducting devices used as high-sensitivity magnetometers and voltage amplifiers as well as the basis of high-performance…”
Get full text
Journal Article -
15
Efficient measurement of quantum gate error by interleaved randomized benchmarking
Published in Physical review letters (24-08-2012)“…We describe a scalable experimental protocol for estimating the average error of individual quantum computational gates. This protocol consists of interleaving…”
Get full text
Journal Article -
16
Demonstration of a superconducting nanowire microwave switch
Published in Applied physics letters (21-10-2019)“…The functionality of a nanowire integrated into a superconducting transmission line acting as a single pole single throw switch is demonstrated. The switch has…”
Get full text
Journal Article -
17
Phase and Amplitude Modulator for Microwave Pulse Generation
Published in IEEE transactions on applied superconductivity (01-06-2011)“…We present a microwave amplitude/phase modulation device based on superconducting resonator and synthetic transmission line technology. The primary benefits of…”
Get full text
Journal Article Conference Proceeding -
18
ERSFQ 4-to-16 Decoder for Energy-Efficient RAM
Published in IEEE transactions on applied superconductivity (01-06-2015)“…We designed, fabricated, and demonstrated an energy-efficient ERSFQ 4-bit decoder. The first version of the decoder is designed and fabricated using HYPRES…”
Get full text
Journal Article -
19
Chlorination by-products of fenitrothion
Published in Water science and technology (01-01-2010)“…The mutagens produced through chemical reaction between chlorine and the insecticide fenitrothion were studied by using a quadrupole GC-MS. The mutagenicity…”
Get full text
Journal Article -
20
Effect of pretreatment conditions on the determination of major and trace elements in coal fly ash using ICP-AES
Published in Fuel (Guildford) (2006)“…Microwave-assisted acid digestion (MW-AD) followed by atomic spectrometries such as inductively coupled plasma-atomic emission spectrometry (ICP-AES) was…”
Get full text
Journal Article Conference Proceeding