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HIGHLIGHTED ARTICLES

Vertical Transistors with Conductive-Network Electrodes: A Physical Image and What It Tells

Chuan Liu, Zihao Chen, Kairong Huang, Sujuan Hu, Xiaoci Liang, and Jun Chen

Phys. Rev. Applied 13, 054066 (2020) - Published 27 May, 2020

Visual representations of the voltages, currents, and electric potentials of vertical transistors could help engineers design circuits employing these advanced devices.

Mutually Synchronized Macroscopic Josephson Oscillations Demonstrated by Polarization Analysis of Superconducting Terahertz Emitters

M. Tsujimoto, S. Fujita, G. Kuwano, K. Maeda, A. Elarabi, J. Hawecker, J. Tignon, J. Mangeney, S.S. Dhillon, and I. Kakeya

Phys. Rev. Applied 13, 051001 (2020) - Published 13 May, 2020

Despite its potential for e.g. medical imaging, wireless communication, and ultrasensitive analysis of biological materials, the terahertz frequency range of light cannot be suitably utilized without practical solid-state sources. A naturally formed stack of superconducting junctions emits terahertz radiation, owing to synchronization of macroscopic wave functions, and the authors propose a means to manipulate that synchronization, which is the most promising way to attain a versatile superconducting terahertz source. Their findings also give insight into the quantum physics of entangled photons emitted from superconductors.

Autonomous Tuning and Charge-State Detection of Gate-Defined Quantum Dots

J. Darulová, S.J. Pauka, N. Wiebe, K.W. Chan, G.C Gardener, M.J. Manfra, M.C. Cassidy, and M. Troyer

Phys. Rev. Applied 13, 054005 (2020) - Published 4 May, 2020

Automated tuning of gate-defined quantum dots is an essential step toward scaling up quantum computing with semiconductor qubits. The authors demonstrate an algorithm that can tune several devices without prior knowledge of their details. The approach taken here shows that simple machine-learning classifiers trained on experimental data and well-established tuning sequences are sufficient to remove human interaction, paving the way for autonomous initialization of semiconductor qubits.

Automated Tuning of Double Quantum Dots into Specific Charge States Using Neural Networks

R. Durrer, B. Kratochwil, J.V. Koski, A.J. Landig, C. Reichl, W. Wegscheider, T. Ihn, and E. Greplova

Phys. Rev. Applied 13, 054019 (2020) - Published 8 May, 2020

Semiconductor quantum dots are at the forefront of quantum device technology. One longstanding obstacle to scalability is that multidot systems require a lengthy, complex, experimental tuning process. Here the authors introduce a machine-learning-driven algorithm for automated tuning of quantum dots. By letting the algorithm learn from experimental data, they develop a procedure that uses a small set of measurements as its input, and then automatically tunes the double-dot system to the desired charge state. This constitutes a significant step toward fully automated operation of multidot quantum systems.

Experimentally Accessible Lower Bounds for Genuine Multipartite Entanglement and Coherence Measures

Yue Dai, Yuli Dong, Zhenyu Xu, Wenlong You, Chengjie Zhang, and Otfried Gühne

Phys. Rev. Applied 13, 054022 (2020) - Published 8 May, 2020

Experimentally quantifying entanglement and coherence is extremely important in quantum information processing. In a multipartite quantum system, usually the fidelity of the system’s state compared to a target state is measured to detect its entanglement. The authors present a fidelity-based method to derive experimentally accessible lower bounds for measures of genuine multipartite entanglement and coherence, allowing quick quantification of system states without quantum state tomography in experiments. The method works generally, for several entanglement measures and coherence measures, and examples of real experimental states are analyzed in detail.

Imaging the Thermalization of Hot Carriers After Thermionic Emission Over a Polytype Barrier

Fabian Könemann, I-Ju Chen, Sebastian Lehmann, Claes Thelander, and Bernd Gotsmann

Phys. Rev. Applied 13, 054035 (2020) - Published 15 May, 2020

Interfaces and the microscopic mechanisms of thermoelectric effects are important considerations in the thermal design of nanoelectronics, but progress is stymied by the difficulty of measuring thermal transport at the nanoscale. This study uses scanning thermal microscopy to obtain temperature maps of in operando nanowire devices exhibiting heat pumping by thermionic emission. The lateral resolution is high enough to extract the electron thermalization length from the images and perform a complete thermoelectric characterization of the device. The thermalization length is of the order of the system’s size, which can strongly guide our thinking about these effects in nanodevices.

Valley-Spin Logic Gates

L. L. Tao, Azad Naeemi, and Evgeny Y. Tsymbal

Phys. Rev. Applied 13, 054043 (2020) - Published 19 May, 2020

In the emerging field of valleytronics, logic gates are typically based on the valley-pseudospin degree of freedom in materials with particular electronic structures. For certain two-dimensional (2D) materials, the valley-dependent spin polarization is 100% and can be switched by an electric field. The authors design valley-spin logic gates based on certain 2D materials, and demonstrate seven complete logic gates: NOT, XNOR, XOR, AND, NAND, OR, and NOR. Importantly, the proposed valley-spin gates satisfy the concatenation requirement, which is key for practical use: The output of one can be used as the input for the next, and all inputs and outputs are plain voltages.

Gigahertz-Clocked Teleportation of Time-Bin Qubits with a Quantum Dot in the Telecommunication C Band

M. Anderson, T. Müller, J. Skiba-Szymanska, A. B. Krysa, J. Huwer, R. M. Stevenson, J. Heffernan, D. A. Ritchie, and A. J. Shields

Phys. Rev. Applied 13, 054052 (2020) - Published 21 May, 2020

Semiconductor quantum dots are prime candidates for applications in quantum networks, such as quantum relays, but their typical emission wavelength, polarization-based qubit encoding scheme, and low operating frequency are incompatible with existing technologies. This study shows that InAs/InP quantum dots driven with gigahertz-clocked pulses, in combination with qubit-transcoding interferometers, can bridge these gaps. The observed teleportation of time-bin qubits in the telecom C band, even when repetition rates exceed the inverse lifetime of the dot, shows the potential for integrating such devices with long-distance quantum network technologies.

LETTERS

Mutually Synchronized Macroscopic Josephson Oscillations Demonstrated by Polarization Analysis of Superconducting Terahertz Emitters

M. Tsujimoto, S. Fujita, G. Kuwano, K. Maeda, A. Elarabi, J. Hawecker, J. Tignon, J. Mangeney, S.S. Dhillon, and I. Kakeya

Phys. Rev. Applied 13, 051001 (2020) - Published 13 May, 2020

Despite its potential for e.g. medical imaging, wireless communication, and ultrasensitive analysis of biological materials, the terahertz frequency range of light cannot be suitably utilized without practical solid-state sources. A naturally formed stack of superconducting junctions emits terahertz radiation, owing to synchronization of macroscopic wave functions, and the authors propose a means to manipulate that synchronization, which is the most promising way to attain a versatile superconducting terahertz source. Their findings also give insight into the quantum physics of entangled photons emitted from superconductors.

Remote Detection of Earth’s Field Nuclear Magnetic Resonance with a Robust Induction Magnetometer

Lukasz J. Zielinski, Shin Utsuzawa, Mason Greer, Yi-Qiao Song, and Martin Hürlimann

Phys. Rev. Applied 13, 051002 (2020) - Published 14 May, 2020

Performing NMR experiments using the Earth’s magnetic field, which would require a robust, low-cost, ultrasensitive induction magnetometer, could enable many remote-sensing applications in geological science. Here implementation of active flux feedback flattens the frequency response of the receiver without compromising the signal-to-noise ratio, permitting detection at frequencies above the self-resonance of the coil. This overcomes the key limitation on the density of windings and thus on intrinsic coil sensitivity. Probe dead times of a few milliseconds at 2 kHz allow the quantification of freely movable fluids in porous rock, which is critical for evaluating subsurface formations.

ARTICLES

Optimized Proximity Thermometer for Ultrasensitive Detection

Bayan Karimi, Danilo Nikolić, Tuomas Tuukkanen, Joonas T. Peltonen, Wolfgang Belzig, and Jukka P. Pekola

Phys. Rev. Applied 13, 054001 (2020) - Published 1 May, 2020

Optimal Verification of Greenberger-Horne-Zeilinger States

Zihao Li, Yun-Guang Han, and Huangjun Zhu

Phys. Rev. Applied 13, 054002 (2020) - Published 1 May, 2020

Design of Reversible Low-Field Magnetocaloric Effect at Room Temperature in Hexagonal MnMX Ferromagnets

Jun Liu, Yurong You, Ivan Batashev, Yuanyuan Gong, Xinmin You, Bowei Huang, Fengqi Zhang, Xuefei Miao, Feng Xu, Niels van Dijk, and Ekkes Brück

Phys. Rev. Applied 13, 054003 (2020) - Published 1 May, 2020

Oxidation as Key Mechanism for Efficient Interface Passivation in Cu(In,Ga)Se2 Thin-Film Solar Cells

Florian Werner, Boris Veith-Wolf, Conrad Spindler, Michael R. Barget, Finn Babbe, Jerome Guillot, Jan Schmidt, and Susanne Siebentritt

Phys. Rev. Applied 13, 054004 (2020) - Published 4 May, 2020

Autonomous Tuning and Charge-State Detection of Gate-Defined Quantum Dots

J. Darulová, S.J. Pauka, N. Wiebe, K.W. Chan, G.C Gardener, M.J. Manfra, M.C. Cassidy, and M. Troyer

Phys. Rev. Applied 13, 054005 (2020) - Published 4 May, 2020

Automated tuning of gate-defined quantum dots is an essential step toward scaling up quantum computing with semiconductor qubits. The authors demonstrate an algorithm that can tune several devices without prior knowledge of their details. The approach taken here shows that simple machine-learning classifiers trained on experimental data and well-established tuning sequences are sufficient to remove human interaction, paving the way for autonomous initialization of semiconductor qubits.

Electron Cooling with Graphene-Insulator-Superconductor Tunnel Junctions for Applications in Fast Bolometry

Francesco Vischi, Matteo Carrega, Alessandro Braggio, Federico Paolucci, Federica Bianco, Stefano Roddaro, and Francesco Giazotto

Phys. Rev. Applied 13, 054006 (2020) - Published 4 May, 2020

Conformal Landscape of a Two-Dimensional Gradient Refractive-Index Profile for Geometrical Optics

Lin Xu, Hui Ge, Jensen Li, Runqiu He, Jiaojiao Zhou, Shining Zhu, Hui Liu, and Huanyang Chen

Phys. Rev. Applied 13, 054007 (2020) - Published 4 May, 2020

Temperature-dependent Thermal Conductivity of a Single Germanium Nanowire Measured by Optothermal Raman Spectroscopy

Shaili Sett, Vishal Kumar Aggarwal, Achintya Singha, and A. K. Raychaudhuri

Phys. Rev. Applied 13, 054008 (2020) - Published 5 May, 2020

Freestanding Positionable Microwave-Antenna Device for Magneto-Optical Spectroscopy Experiments

T. Hache, M. Vaňatka, L. Flajšman, T. Weinhold, T. Hula, O. Ciubotariu, M. Albrecht, B. Arkook, I. Barsukov, L. Fallarino, O. Hellwig, J. Fassbender, M. Urbánek, and H. Schultheiss

Phys. Rev. Applied 13, 054009 (2020) - Published 5 May, 2020

Time-Frequency Spectroscopy of GaAs Transient Dispersion Using Few-Cycle Pump-Probe Reflectometry

Hemang Jani and Lingze Duan

Phys. Rev. Applied 13, 054010 (2020) - Published 5 May, 2020

Non-Negligible Imaginary Part of the Spin-Mixing Conductance and its Impact on Magnetization Dynamics in Heavy-Metal–Ferromagnet Bilayers

Janusz Dubowik, Piotr Graczyk, Adam Krysztofik, Hubert Głowiński, Emerson Coy, Karol Załęski, and Iwona Gościańska

Phys. Rev. Applied 13, 054011 (2020) - Published 5 May, 2020

Wide-Angle Broadband Nonreflecting Acoustic Metamaterial Fence

Chenkai Liu, Chu Ma, Xinhao Li, Jie Luo, Nicholas X. Fang, and Yun Lai

Phys. Rev. Applied 13, 054012 (2020) - Published 6 May, 2020

Microwave-Vortex-Beam Generation Based on Spoof-Plasmon Ring Resonators

Zhen Liao, Jia Nan Zhou, Guo Qing Luo, Meng Wang, Shi Sun, Tao Zhou, Hui Feng Ma, Tie Jun Cui, and Yongmin Liu

Phys. Rev. Applied 13, 054013 (2020) - Published 6 May, 2020

Disentanglement of Spin-Orbit Torques in Pt/Co Bilayers with the Presence of Spin Hall Effect and Rashba-Edelstein Effect

Ye Du, Hiromu Gamou, Saburo Takahashi, Shutaro Karube, Makoto Kohda, and Junsaku Nitta

Phys. Rev. Applied 13, 054014 (2020) - Published 6 May, 2020

Experimental Demonstration of a Quantum Receiver Beating the Standard Quantum Limit at Telecom Wavelength

Shuro Izumi, Jonas S. Neergaard-Nielsen, Shigehito Miki, Hirotaka Terai, and Ulrik L. Andersen

Phys. Rev. Applied 13, 054015 (2020) - Published 7 May, 2020

Terahertz Emission From an Exchange-Coupled Synthetic Antiferromagnet

Qi Zhang, Yumeng Yang, Ziyan Luo, Yanjun Xu, Rongxiang Nie, Xinhai Zhang, and Yihong Wu

Phys. Rev. Applied 13, 054016 (2020) - Published 7 May, 2020

Vibronic States and Their Effect on the Temperature and Strain Dependence of Silicon-Vacancy Qubits in 4H-SiC

Péter Udvarhelyi, Gergő Thiering, Naoya Morioka, Charles Babin, Florian Kaiser, Daniil Lukin, Takeshi Ohshima, Jawad Ul-Hassan, Nguyen Tien Son, Jelena Vučković, Jörg Wrachtrup, and Adam Gali

Phys. Rev. Applied 13, 054017 (2020) - Published 7 May, 2020

Efficient Orthogonal Control of Tunnel Couplings in a Quantum Dot Array

T.-K. Hsiao, C.J. van Diepen, U. Mukhopadhyay, C. Reichl, W. Wegscheider, and L.M.K. Vandersypen

Phys. Rev. Applied 13, 054018 (2020) - Published 7 May, 2020

Automated Tuning of Double Quantum Dots into Specific Charge States Using Neural Networks

R. Durrer, B. Kratochwil, J.V. Koski, A.J. Landig, C. Reichl, W. Wegscheider, T. Ihn, and E. Greplova

Phys. Rev. Applied 13, 054019 (2020) - Published 8 May, 2020

Semiconductor quantum dots are at the forefront of quantum device technology. One longstanding obstacle to scalability is that multidot systems require a lengthy, complex, experimental tuning process. Here the authors introduce a machine-learning-driven algorithm for automated tuning of quantum dots. By letting the algorithm learn from experimental data, they develop a procedure that uses a small set of measurements as its input, and then automatically tunes the double-dot system to the desired charge state. This constitutes a significant step toward fully automated operation of multidot quantum systems.

Switching Time of Spin-Torque-Driven Magnetization in Biaxial Ferromagnets

Ankit Shukla, Arun Parthasarathy, and Shaloo Rakheja

Phys. Rev. Applied 13, 054020 (2020) - Published 8 May, 2020

Signal-Noise Interaction in Optical-Fiber Communication Systems Employing Nonlinear Frequency-Division Multiplexing

Maryna Pankratova, Anastasiia Vasylchenkova, Stanislav A. Derevyanko, Nikolai B. Chichkov, and Jaroslaw E. Prilepsky

Phys. Rev. Applied 13, 054021 (2020) - Published 8 May, 2020

Experimentally Accessible Lower Bounds for Genuine Multipartite Entanglement and Coherence Measures

Yue Dai, Yuli Dong, Zhenyu Xu, Wenlong You, Chengjie Zhang, and Otfried Gühne

Phys. Rev. Applied 13, 054022 (2020) - Published 8 May, 2020

Experimentally quantifying entanglement and coherence is extremely important in quantum information processing. In a multipartite quantum system, usually the fidelity of the system’s state compared to a target state is measured to detect its entanglement. The authors present a fidelity-based method to derive experimentally accessible lower bounds for measures of genuine multipartite entanglement and coherence, allowing quick quantification of system states without quantum state tomography in experiments. The method works generally, for several entanglement measures and coherence measures, and examples of real experimental states are analyzed in detail.

Single-Shot X-Ray Speckle-Based Imaging of a Single-Material Object

Konstantin M. Pavlov, Heyang (Thomas) Li, David M. Paganin, Sebastien Berujon, Hélène Rougé-Labriet, and Emmanuel Brun

Phys. Rev. Applied 13, 054023 (2020) - Published 11 May, 2020

Power Scaling for Collimated γ-Ray Beams Generated by Structured Laser-Irradiated Targets and Its Application to Two-Photon Pair Production

T. Wang, X. Ribeyre, Z. Gong, O. Jansen, E. d’Humières, D. Stutman, T. Toncian, and A. Arefiev

Phys. Rev. Applied 13, 054024 (2020) - Published 11 May, 2020

Suppression of Donor-Driven Spin Relaxation in Strained Si0.1Ge0.9

T. Naito, M. Yamada, S. Yamada, K. Sawano, and K. Hamaya

Phys. Rev. Applied 13, 054025 (2020) - Published 11 May, 2020

Electrostatic Control of Phase Slips in Ti Josephson Nanotransistors

C. Puglia, G. De Simoni, and F. Giazotto

Phys. Rev. Applied 13, 054026 (2020) - Published 11 May, 2020

Optimizing Single-Photon Avalanche Photodiodes for Dynamic Quantum Key Distribution Networks

Guan-Jie Fan-Yuan, Jun Teng, Shuang Wang, Zhen-Qiang Yin, Wei Chen, De-Yong He, Guang-Can Guo, and Zheng-Fu Han

Phys. Rev. Applied 13, 054027 (2020) - Published 12 May, 2020

Extending Quantitative Phase Imaging to Polarization-Sensitive Materials

Arthur Baroni, Virginie Chamard, and Patrick Ferrand

Phys. Rev. Applied 13, 054028 (2020) - Published 12 May, 2020

Divergence Control of High-Harmonic Generation

Sylvianne Roscam Abbing, Filippo Campi, Faegheh S. Sajjadian, Nan Lin, Peter Smorenburg, and Peter M. Kraus

Phys. Rev. Applied 13, 054029 (2020) - Published 12 May, 2020

Electrical Contact between an Ultrathin Topological Dirac Semimetal and a Two-Dimensional Material

Liemao Cao, Guanghui Zhou, Qingyun Wu, Shengyuan A. Yang, Hui Ying Yang, Yee Sin Ang, and L.K. Ang

Phys. Rev. Applied 13, 054030 (2020) - Published 12 May, 2020

Switchable All-Dielectric Magnetic-Electric Mirror Based on Higher-Order Dipoles

Ruiguang Peng, Qian Zhao, Yonggang Meng, Shizhu Wen, and Ji Zhou

Phys. Rev. Applied 13, 054031 (2020) - Published 13 May, 2020

Phonon Transport Controlled by Ferromagnetic Resonance

Chenbo Zhao, Yi Li, Zhizhi Zhang, Michael Vogel, John E. Pearson, Jianbo Wang, Wei Zhang, Valentine Novosad, Qingfang Liu, and Axel Hoffmann

Phys. Rev. Applied 13, 054032 (2020) - Published 13 May, 2020

Integrated Analysis of Performance and Resources in Large-Scale Quantum Computing

Yongsoo Hwang, Taewan Kim, Chungheon Baek, and Byung-Soo Choi

Phys. Rev. Applied 13, 054033 (2020) - Published 14 May, 2020

Vapor-Cell-Based Atomic Electrometry for Detection Frequencies below 1 kHz

Yuan-Yu Jau and Tony Carter

Phys. Rev. Applied 13, 054034 (2020) - Published 14 May, 2020

Imaging the Thermalization of Hot Carriers After Thermionic Emission Over a Polytype Barrier

Fabian Könemann, I-Ju Chen, Sebastian Lehmann, Claes Thelander, and Bernd Gotsmann

Phys. Rev. Applied 13, 054035 (2020) - Published 15 May, 2020

Interfaces and the microscopic mechanisms of thermoelectric effects are important considerations in the thermal design of nanoelectronics, but progress is stymied by the difficulty of measuring thermal transport at the nanoscale. This study uses scanning thermal microscopy to obtain temperature maps of in operando nanowire devices exhibiting heat pumping by thermionic emission. The lateral resolution is high enough to extract the electron thermalization length from the images and perform a complete thermoelectric characterization of the device. The thermalization length is of the order of the system’s size, which can strongly guide our thinking about these effects in nanodevices.

Elastic Wave Energy Entrapment for Reflectionless Metasurface

Min Soo Kim, Woorim Lee, Chung Il Park, and Joo Hwan Oh

Phys. Rev. Applied 13, 054036 (2020) - Published 15 May, 2020

Alleviating Orbital-Angular-Momentum-Mode Dispersion Using a Reflective Metasurface

Shan Jiang, Chang Chen, Jun Ding, Hualiang Zhang, and Weidong Chen

Phys. Rev. Applied 13, 054037 (2020) - Published 15 May, 2020

Anomalous Refraction of Spin Waves as a Way to Guide Signals in Curved Magnonic Multimode Waveguides

Szymon Mieszczak, Oksana Busel, Paweł Gruszecki, Andriy N. Kuchko, Jarosław W. Kłos, and Maciej Krawczyk

Phys. Rev. Applied 13, 054038 (2020) - Published 15 May, 2020

Spin-orbit Torques and Magnetization Switching in Perpendicularly Magnetized Epitaxial Pd/Co2FeAl/MgO Structures

M. S. Gabor, T. Petrisor, Jr, M. Nasui, M. A. Nsibi, J. Nath, and I. M. Miron

Phys. Rev. Applied 13, 054039 (2020) - Published 18 May, 2020

Low-Frequency Imaginary Impedance at the Superconducting Transition of 2H-NbSe2

David Perconte, Samuel Mañas-Valero, Eugenio Coronado, Isabel Guillamón, and Hermann Suderow

Phys. Rev. Applied 13, 054040 (2020) - Published 18 May, 2020

Fast and Simple Qubit-Based Synchronization for Quantum Key Distribution

Luca Calderaro, Andrea Stanco, Costantino Agnesi, Marco Avesani, Daniele Dequal, Paolo Villoresi, and Giuseppe Vallone

Phys. Rev. Applied 13, 054041 (2020) - Published 18 May, 2020

Narrow-Band Fiber-Coupled Single-Photon Source

Guilherme Stein, Vladislav Bushmakin, Yijun Wang (王奕钧), Andreas W. Schell, and Ilja Gerhardt

Phys. Rev. Applied 13, 054042 (2020) - Published 18 May, 2020

Valley-Spin Logic Gates

L. L. Tao, Azad Naeemi, and Evgeny Y. Tsymbal

Phys. Rev. Applied 13, 054043 (2020) - Published 19 May, 2020

In the emerging field of valleytronics, logic gates are typically based on the valley-pseudospin degree of freedom in materials with particular electronic structures. For certain two-dimensional (2D) materials, the valley-dependent spin polarization is 100% and can be switched by an electric field. The authors design valley-spin logic gates based on certain 2D materials, and demonstrate seven complete logic gates: NOT, XNOR, XOR, AND, NAND, OR, and NOR. Importantly, the proposed valley-spin gates satisfy the concatenation requirement, which is key for practical use: The output of one can be used as the input for the next, and all inputs and outputs are plain voltages.

Anomalous Nernst Effect in Epitaxial L10FePd1xPtx Alloy Films: Berry Curvature and Thermal Spin Current

Zhong Shi, Shi-Jie Xu, Li Ma, Shi-Ming Zhou, and Guang-Yu Guo

Phys. Rev. Applied 13, 054044 (2020) - Published 19 May, 2020

Plasmonic Antennas with Electric, Magnetic, and Electromagnetic Hot Spots Based on Babinet’s Principle

Martin Hrtoň, Andrea Konečná, Michal Horák, Tomáš Šikola, and Vlastimil Křápek

Phys. Rev. Applied 13, 054045 (2020) - Published 19 May, 2020

Reducing Energy Losses at the Organic–anode-buffer Interface of Organic Photovoltaics

Kan Ding and Stephen R. Forrest

Phys. Rev. Applied 13, 054046 (2020) - Published 19 May, 2020

Limit of Thermal-Vibration Noise in Magnetic Field Detection with Magnetoelectric-Composite Cantilevers

Matthias C. Krantz and Martina Gerken

Phys. Rev. Applied 13, 054047 (2020) - Published 20 May, 2020

Snapshot Projection Optical Tomography

Yongjin Sung

Phys. Rev. Applied 13, 054048 (2020) - Published 20 May, 2020

Stochastic Computing Implemented by Skyrmionic Logic Devices

Haoyang Zhang, Daoqian Zhu, Wang Kang, Youguang Zhang, and Weisheng Zhao

Phys. Rev. Applied 13, 054049 (2020) - Published 20 May, 2020

Dispersive Instabilities in Passively Mode-Locked Integrated External-Cavity Surface-Emitting Lasers

Christian Schelte, Denis Hessel, Julien Javaloyes, and Svetlana V. Gurevich

Phys. Rev. Applied 13, 054050 (2020) - Published 20 May, 2020

Granular Aluminum Meandered Superinductors for Quantum Circuits

Plamen Kamenov, Wen-Sen Lu, Konstantin Kalashnikov, Thomas DiNapoli, Matthew T. Bell, and Michael E. Gershenson

Phys. Rev. Applied 13, 054051 (2020) - Published 20 May, 2020

Gigahertz-Clocked Teleportation of Time-Bin Qubits with a Quantum Dot in the Telecommunication C Band

M. Anderson, T. Müller, J. Skiba-Szymanska, A. B. Krysa, J. Huwer, R. M. Stevenson, J. Heffernan, D. A. Ritchie, and A. J. Shields

Phys. Rev. Applied 13, 054052 (2020) - Published 21 May, 2020

Semiconductor quantum dots are prime candidates for applications in quantum networks, such as quantum relays, but their typical emission wavelength, polarization-based qubit encoding scheme, and low operating frequency are incompatible with existing technologies. This study shows that InAs/InP quantum dots driven with gigahertz-clocked pulses, in combination with qubit-transcoding interferometers, can bridge these gaps. The observed teleportation of time-bin qubits in the telecom C band, even when repetition rates exceed the inverse lifetime of the dot, shows the potential for integrating such devices with long-distance quantum network technologies.

Composite-Fringe Atom Interferometry for High-Dynamic-Range Sensing

Chen Avinadav, Dimitry Yankelev, Ofer Firstenberg, and Nir Davidson

Phys. Rev. Applied 13, 054053 (2020) - Published 21 May, 2020

Active Temporal Control of Radiative Heat Transfer with Graphene Nanodisks

Lauren Zundel and Alejandro Manjavacas

Phys. Rev. Applied 13, 054054 (2020) - Published 21 May, 2020

Strong Skyrmion Oscillations Driven by Spatially Dependent Spin Current

Renhao Xing, Yuanshi Kou, Yasai Wang, Jiayang Zhou, Yucong Wei, Long You, Rui Xiong, Zhongming Zeng, Shiheng Liang, Xiaofei Yang, Zhendong Zhang, and Yue Zhang

Phys. Rev. Applied 13, 054055 (2020) - Published 21 May, 2020

Self-Induced Passive Nonreciprocal Transmission by Nonlinear Bifacial Dielectric Metasurfaces

Boyuan Jin and Christos Argyropoulos

Phys. Rev. Applied 13, 054056 (2020) - Published 22 May, 2020

Practical Applications of Quantum Sensing: A Simple Method to Enhance the Sensitivity of Nitrogen-Vacancy-Based Temperature Sensors

E. Moreva, E. Bernardi, P. Traina, A. Sosso, S. Ditalia Tchernij, J. Forneris, F. Picollo, G. Brida, Ž. Pastuović, I. P. Degiovanni, P. Olivero, and M. Genovese

Phys. Rev. Applied 13, 054057 (2020) - Published 22 May, 2020

Gate-Defined Accumulation-Mode Quantum Dots in Monolayer and Bilayer WSe2

S. Davari, J. Stacy, A.M. Mercado, J.D. Tull, R. Basnet, K. Pandey, K. Watanabe, T. Taniguchi, J. Hu, and H.O.H. Churchill

Phys. Rev. Applied 13, 054058 (2020) - Published 22 May, 2020

Devices based on few-layer transition-metal dichalcogenides are rapidly being developed for various quantum technologies, such as valleytronic qubits and quantum emitters. Gate-defined quantum dots provide an appealing platform for coherent control of individual valley pseudospins, but well-resolved, discrete energy levels are required. The authors report gate-defined quantum dots in monolayer and bilayer WSe2, small enough to allow observation of transport through discrete levels. These devices thus satisfy an essential requirement for the development of (opto)electronic qubits based on valley-pseudospin states.

Simulating Ising Spins in External Magnetic Fields with a Network of Degenerate Optical Parametric Oscillators

Hiroki Takesue, Kensuke Inaba, Takahiro Inagaki, Takuya Ikuta, Yasuhiro Yamada, Toshimori Honjo, Takushi Kazama, Koji Enbutsu, Takeshi Umeki, and Ryoichi Kasahara

Phys. Rev. Applied 13, 054059 (2020) - Published 22 May, 2020

Enhancing Quantum Control by Improving Shaped-Pulse Generation

John P.S. Peterson, Roberto S. Sarthour, and Raymond Laflamme

Phys. Rev. Applied 13, 054060 (2020) - Published 22 May, 2020

Thermodynamic, Structural, and Piezoelectric Properties of Adatom-Doped Phosphorene and Its Applications in Smart Surfaces

Lou Li, Huiying Cao, Bo Xu, Junkai Deng, Jingran Liu, Yilun Liu, Xiangdong Ding, Jun Sun, and Jefferson Zhe Liu

Phys. Rev. Applied 13, 054061 (2020) - Published 26 May, 2020

Quantum Advantage in Cryptography with a Low-Connectivity Quantum Annealer

Feng Hu, Lucas Lamata, Chao Wang, Xi Chen, Enrique Solano, and Mikel Sanz

Phys. Rev. Applied 13, 054062 (2020) - Published 26 May, 2020

Photon-Dressed Bloch-Siegert Shift in an Ultrastrongly Coupled Circuit Quantum Electrodynamical System

Shuai-Peng Wang, Guo-Qiang Zhang, Yimin Wang, Zhen Chen, Tiefu Li, J. S. Tsai, Shi-Yao Zhu, and J. Q. You

Phys. Rev. Applied 13, 054063 (2020) - Published 26 May, 2020

Excitation of Bloch Surface Waves in Zero-Admittance Multilayers for High-Sensitivity Sensor Applications

Dikai Niu, Myriam Zerrad, Aude Lereu, Antonin Moreau, Julien Lumeau, Juan Antonio Zapien, Ali Passian, Vincent Aubry, and Claude Amra

Phys. Rev. Applied 13, 054064 (2020) - Published 26 May, 2020

Experimental Passive-State Preparation for Continuous-Variable Quantum Communications

Bing Qi, Hyrum Gunther, Philip G. Evans, Brian P. Williams, Ryan M. Camacho, and Nicholas A. Peters

Phys. Rev. Applied 13, 054065 (2020) - Published 26 May, 2020

Vertical Transistors with Conductive-Network Electrodes: A Physical Image and What It Tells

Chuan Liu, Zihao Chen, Kairong Huang, Sujuan Hu, Xiaoci Liang, and Jun Chen

Phys. Rev. Applied 13, 054066 (2020) - Published 27 May, 2020

Visual representations of the voltages, currents, and electric potentials of vertical transistors could help engineers design circuits employing these advanced devices.

Transition Waves and Formation of Domain Walls in Multistable Mechanical Metamaterials

H. Yasuda, L. M. Korpas, and J. R. Raney

Phys. Rev. Applied 13, 054067 (2020) - Published 27 May, 2020

Acoustically Driving the Single-Quantum Spin Transition of Diamond Nitrogen-Vacancy Centers

H. Y. Chen, S. A. Bhave, and G. D. Fuchs

Phys. Rev. Applied 13, 054068 (2020) - Published 27 May, 2020

Acoustic Characterization of Polydimethylsiloxane for Microscale Acoustofluidics

Guangyao Xu, Zhengyang Ni, Xizhou Chen, Juan Tu, Xiasheng Guo, Henrik Bruus, and Dong Zhang

Phys. Rev. Applied 13, 054069 (2020) - Published 27 May, 2020

Parametric Generation of Subharmonics in a Composite Multiferroic Resonator

D.A. Burdin, D.V. Chashin, N.A. Ekonomov, V. L. Preobrazhenskii, S.N. Gordeev, and Y.K. Fetisov

Phys. Rev. Applied 13, 054070 (2020) - Published 27 May, 2020

Nonaxisymmetric Effects in Drop-On-Demand Piezoacoustic Inkjet Printing

Mark-Jan van der Meulen, Hans Reinten, Herman Wijshoff, Michel Versluis, Detlef Lohse, and Paul Steen

Phys. Rev. Applied 13, 054071 (2020) - Published 28 May, 2020

Characterizing Quantum Devices at Scale with Custom Cryo-CMOS

S.J. Pauka, K. Das, J.M. Hornibrook, G.C. Gardner, M.J. Manfra, M.C. Cassidy, and D.J. Reilly

Phys. Rev. Applied 13, 054072 (2020) - Published 28 May, 2020

Direct Probe of Room-Temperature Quantum-Tunneling Processes in Type-II Heterostructures Using Terahertz Emission Spectroscopy

Markus Stein, Christian Fuchs, Wolfgang Stolz, Daniel M. Mittleman, and Martin Koch

Phys. Rev. Applied 13, 054073 (2020) - Published 28 May, 2020

Polarization-Driven Edge-State Transport in Transition-Metal Dichalcogenides

Ke Wang, Gongwei Hu, Ruhao Liu, Yaming Zhang, Minjiang Dan, Lijie Li, and Yan Zhang

Phys. Rev. Applied 13, 054074 (2020) - Published 28 May, 2020

Molecular-Level Exploration of the Structure-Function Relations Underlying Interfacial Charge Transfer in the Subphthalocyanine/C60 Organic Photovoltaic System

Jacob Tinnin, Srijana Bhandari, Pengzhi Zhang, Huseyin Aksu, Buddhadev Maiti, Eitan Geva, Barry D. Dunietz, Xiang Sun, and Margaret S. Cheung

Phys. Rev. Applied 13, 054075 (2020) - Published 28 May, 2020

Enhancing Energy Product and Thermal Stability of SmFe12 by Interstitial Doping

D. Odkhuu, T. Ochirkhuyag, and S. C. Hong

Phys. Rev. Applied 13, 054076 (2020) - Published 29 May, 2020

Measurement of Pure States of Light in the Orbital-Angular-Momentum Basis Using Nine Multipixel Image Acquisitions

Girish Kulkarni, Suman Karan, and Anand K. Jha

Phys. Rev. Applied 13, 054077 (2020) - Published 29 May, 2020

Giant Enhancement of Rotation Sensing with PT-Symmetric Circular Bragg Lasers

Ziyao Feng and Xiankai Sun

Phys. Rev. Applied 13, 054078 (2020) - Published 29 May, 2020

Characterizing and Optimizing Qubit Coherence Based on SQUID Geometry

Jochen Braumüller, Leon Ding, Antti P. Vepsäläinen, Youngkyu Sung, Morten Kjaergaard, Tim Menke, Roni Winik, David Kim, Bethany M. Niedzielski, Alexander Melville, Jonilyn L. Yoder, Cyrus F. Hirjibehedin, Terry P. Orlando, Simon Gustavsson, and William D. Oliver

Phys. Rev. Applied 13, 054079 (2020) - Published 29 May, 2020

Nodal-Chain Semimetal States and Topological Focusing in Phononic Crystals

Jiuyang Lu, Xueqin Huang, Mou Yan, Feng Li, Weiyin Deng, and Zhengyou Liu

Phys. Rev. Applied 13, 054080 (2020) - Published 29 May, 2020

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