Publications (132)
First-principles calculations of double resonance Raman spectra for monolayer MoTe
Jianqi Huang, Huaihong Guo, Lin Zhou +5
Since double resonance Raman (DRR) spectra are laser-energy dependent, the first-principles calculations of DRR for two-dimensional materials are challenging. Here, the DRR spectru…
Influence of separating distance between atomic sensors for gravitational wave detection
Biao Tang, Baocheng Zhang, Lin Zhou +2
We consider a recent scheme of gravitational wave detection using atomic interferometers as inertial sensors, and reinvestigate its configuration using the concept of sensitivity f…
Large and Small Deviations for Statistical Sequence Matching
Lin Zhou, Qianyun Wang, Jingjing Wang +2
We revisit the problem of statistical sequence matching between two databases of sequences initiated by Unnikrishnan (TIT 2015) and derive theoretical performance guarantees for th…
Analyzing Population-Level Trials as N-of-1 Trials: an Application to Gait
Lin Zhou, Juliana Schneider, Bert Arnrich +1
Studying individual causal effects of health interventions is of interest whenever intervention effects are heterogeneous between study participants. Conducting N-of-1 trials, whic…
Understanding the Mechanism of the Performance Improvement in Nitrogen-doped Niobium Superconducting Radio Frequency Cavity
Xiaotian Fang, Jin-Su Oh, Matt Kramer +4
Niobium superconducting radiofrequency cavities enable applications in modern accelerators and quantum computers. However, the surface resistance significantly deteriorates the cav…
Deep-Learning-Enabled Fast Optical Identification and Characterization of Two-Dimensional Materials
Bingnan Han, Yuxuan Lin, Yafang Yang +22
Advanced microscopy and/or spectroscopy tools play indispensable role in nanoscience and nanotechnology research, as it provides rich information about the growth mechanism, chemic…
Achievable Refined Asymptotics for Successive Refinement Using Gaussian Codebooks
Lin Bai, Zhuangfei Wu, Lin Zhou
We study the mismatched successive refinement problem where one uses Gaussian codebooks to compress an arbitrary memoryless source with successive minimum Euclidean distance encodi…
High precision atom interferometer-based dynamic gravimeter measurement by eliminating the cross-coupling effect
Yang Zhou, Wenzhang Wang, Guiguo Ge +16
A dynamic gravimeter with an atomic interferometer (AI) can perform absolute gravity measurements with high precision. AI-based dynamic gravity measurement is a type of joint measu…
Determining the viewing angle from TeV light curve of GRB 221009A
Lin Zhou, Yuan-Chuan Zou
Gamma-ray bursts (GRBs) are among the most powerful explosive events in the universe. LHAASO recently observed the most luminous one: GRB 221009A, and unveiled its TeV light curve.…
Collaborative Secret and Covert Communications for Multi-User Multi-Antenna Uplink UAV Systems: Design and Optimization
Jinpeng Xu, Lin Bai, Xin Xie +1
Motivated by diverse secure requirements of multi-user in UAV systems, we propose a collaborative secret and covert transmission method for multi-antenna ground users to unmanned a…
Efficient Image Super-Resolution using Vast-Receptive-Field Attention
Lin Zhou, Haoming Cai, Jinjin Gu +5
The attention mechanism plays a pivotal role in designing advanced super-resolution (SR) networks. In this work, we design an efficient SR network by improving the attention mechan…
Giant Uniaxial Magnetocrystalline Anisotropy in SmCrGe
Mingyu Xu, Yongbin Lee, Xianglin Ke +8
Magnetic anisotropy is a crucial characteristic for enhancing spintronic device performance. The synthesis of SmCrGe single crystals through a high-temperature solution method…
Higher Chow groups with finite coefficients and refined unramified cohomology
Kees Kok, Lin Zhou
In this paper we show that Bloch's higher cycle class map with finite coefficients for quasi-projective equi-dimensional schemes over a field fits naturally in a long exact sequenc…
Approaching the Low Optical Loss Limit of Plasmonics using Potassium Metals
Yuhan Yang, Yi Zhang, Yuhong Shi +7
Plasmonics enables the miniaturization of photonic devices beyond the optical diffraction limit,yet its potential is hindered by inherently large ohmic losses. Hence, it is prudent…
Systematic Improvements in Transmon Qubit Coherence Enabled by Niobium Surface Encapsulation
Mustafa Bal, Akshay A. Murthy, Shaojiang Zhu +37
We present a novel transmon qubit fabrication technique that yields systematic improvements in T relaxation times. We fabricate devices using an encapsulation strategy that inv…
The Dispersion of Mismatched Joint Source-Channel Coding for Arbitrary Sources and Additive Channels
Lin Zhou, Vincent Y. F. Tan, Mehul Motani
We consider a joint source channel coding (JSCC) problem in which we desire to transmit an arbitrary memoryless source over an arbitrary additive channel. We propose a mismatched c…
United test of the equivalence principle at level using mass and internal energy specified atoms
Lin Zhou, Chuan He, Si-Tong Yan +14
We use both mass and internal energy specified rubidium atoms to jointly test the weak equivalence principle (WEP). We improve the four-wave double-diffraction Raman transition met…
Hoeffding's inequality for continuous-time Markov chains
Jinpeng Liu, Yuanyuan Liu, Lin Zhou
Hoeffding's inequality is a fundamental tool widely applied in probability theory, statistics, and machine learning. In this paper, we establish Hoeffding's inequalities specifical…
Privacy-Resolution Tradeoff for Adaptive Noisy Twenty Questions Estimation
Chunsong Sun, Lin Zhou
We revisit noisy twenty questions estimation and study the privacy-resolution tradeoff for adaptive query procedures. Specifically, in twenty questions estimation, there are two pl…
Controlling Skyrmion Lattices via Strain: Elongation, Tilting, and Collapse Mechanisms
Haijun Zhao, Tae-Hoon Kim, Lin Zhou +1
This study establishes a comprehensive framework for the three-dimensional strain control of magnetic skyrmion strings. We integrate analytical modeling, micromagnetic simulations,…
Highly responsive ground state of PbTaSe: structural phase transition and evolution of superconductivity under pressure
Udhara Kaluarachchi, Yuhang Deng, Matthew F. Besser +12
Transport and magnetic studies of PbTaSe under pressure suggest existence of two superconducting phases with the low temperature phase boundary at GPa that is defin…
Resolution Limits of 20 Questions Search Strategies for Moving Targets
Lin Zhou, Alfred Hero
We establish fundamental limits of tracking a moving target over the unit cube under the framework of 20 questions with measurement-dependent noise. In this problem, there is an or…
Constraining the spin-gravity coupling effects to the -level with dual-species atom interferometers
Dongfeng Gao, Lin Zhou, Jin Wang +1
Spin is one fundamental property of microscopic particles. A lot of theoretical work has postulated the possible coupling between spin and gravitation, which could result in the vi…
Simulation of flow induced vibration of a cylinder in an expansion tube
Sai Peng, Qiyu Deng, Lin Zhou +2
In this study, a series of simulations are conducted to investigate the motion of a small cylinder in an expansion tube, focusing on two-dimensional dynamics. These simulations are…
Capacity Region for Covert Secret Key Generation over Multiple Access Channels
Yingxin Zhang, Lin Zhou, Qiaosheng Zhang
We study covert secret key generation over a binary-input two-user multiple access channel with one-way public discussion and derive bounds on the capacity region. Specifically, in…
Resolution Limits of Non-Adaptive 20 Questions Search for Multiple Targets
Lin Zhou, Lin Bai, Alfred Hero
We study the problem of simultaneous search for multiple targets over a multidimensional unit cube and derive fundamental resolution limits of non-adaptive querying procedures usin…
Second-Order Asymptotics for Covert Communication over Quasi-Static Multiple-Antenna Fading Channels
Changhong Liu, Jingjing Wang, Qiaosheng Zhang +2
We study the second-order asymptotics of optimal codes for covert communication over quasi-static multi-antenna fading channels, under the covertness metric of Kullback--Leibler (K…
A Multi-class Ride-hailing Service Subsidy System Utilizing Deep Causal Networks
Zhe Yu, Chi Xia, Shaosheng Cao +1
In the ride-hailing industry, subsidies are predominantly employed to incentivize consumers to place more orders, thereby fostering market growth. Causal inference techniques are e…
Mid-Frequency Gravitational Waves (0.1-10 Hz): Sources and Detection Methods Summary of the parallel session GW2 of MG16 Meeting
Dongfeng Gao, Wei-Tou Ni, Jin Wang +2
This article summarizes the talks in the session GW2 of the Sixteenth Marcel Grossmann Meeting on Recent Developments in Theoretical and Experimental General Relativity, Gravitatio…
Phase-Factor-Controlled Surface Spirals in the Magnetic Conical Phase: The Role of In-Plane Directionality
Haijun Zhao, Tae-Hoon Kim, Lin Zhou +1
In chiral magnets, the magnetic textures surrounding domain walls exhibit a rich variety of structures, offering insights into fundamental physics and potential applications in spi…
Resolution Limits for the Noisy Non-Adaptive 20 Questions Problem
Lin Zhou, Alfred Hero
We establish fundamental limits on estimation accuracy for the noisy 20 questions problem with measurement-dependent noise and introduce optimal non-adaptive procedures that achiev…
Mechanisms of skyrmion and skyrmion crystal formation from the conical phase
Taehoon Kim, Haijun Zhao, Ben Xu +6
Real-space topological magnetic structures such as skyrmions and merons are promising candidates for information storage and transport. However, the microscopic mechanisms that con…
Microstructural and magnetic property evolution with different heat-treatment conditions in an alnico alloy
Lin Zhou, Wei Tang, Liqin Ke +3
Further property enhancement of alnico, an attractive near-term, non-rare-earth permanent magnet alloy system, primarily composed of Al, Ni, Co, and Fe, relies on improved morpholo…
Integrated photon-pair sources on periodically poled thin-film lithium tantalate
Sakthi Sanjeev Mohanraj, Xiaodong Shi, Ran Yang +2
Chip-integrated photon-pair sources based on spontaneous parametric down-conversion (SPDC) have emerged as a promising solution for scalable quantum light generation. Thin-film lit…
Terrestrial Very-Long-Baseline Atom Interferometry: Workshop Summary
Sven Abend, Baptiste Allard, Iván Alonso +250
This document presents a summary of the 2023 Terrestrial Very-Long-Baseline Atom Interferometry Workshop hosted by CERN. The workshop brought together experts from around the world…
Refined Asymptotics for Rate-Distortion using Gaussian Codebooks for Arbitrary Sources
Lin Zhou, Vincent Y. F. Tan, Mehul Motani
The rate-distortion saddle-point problem considered by Lapidoth (1997) consists in finding the minimum rate to compress an arbitrary ergodic source when one is constrained to use a…
Test of Equivalence Principle at Level by a Dual-species Double-diffraction Raman Atom Interferometer
Lin Zhou, Shitong Long, Biao Tang +9
We report an improved test of the weak equivalence principle by using a simultaneous Rb-Rb dual-species atom interferometer. We propose and implement a four-wave doub…
One-Dimensional Moiré Excitons in Transition-Metal Dichalcogenide Heterobilayers
Yusong Bai, Lin Zhou, Jue Wang +15
The formation of interfacial moiré patterns from angular and/or lattice mismatch has become a powerful approach to engineer a range of quantum phenomena in van der Waals heterostr…
Over-the-Air Diagnosis of Defective Elements in Intelligent Reflecting Surface
Ziyi Zhao, Zhaorui Wang, Lin Zhou +4
Due to circuit failures, defective elements that cannot adaptively adjust the phase shifts of their impinging signals in a desired manner may exist on an intelligent reflecting sur…
Measurement of the quadratic Zeeman shift of ^{85}Rb hyperfine sublevels using stimulated Raman transitions
Runbing Li, Lin Zhou, Jin Wang +1
We demonstrate a technique for directly measuring the quadratic Zeeman shift using stimulated Raman transitions.The quadratic Zeeman shift has been measured yielding [delta][nju] =…
Algebraic Zhou valuations
Shijie Bao, Qi'an Guan, Lin Zhou
In this paper, we generalize Zhou valuations, originally defined on complex domains, to the framework of general schemes. We demonstrate that an algebraic version of the Jonsson--M…
Configurations of a new atomic interferometer for gravitational wave detection
Biao Tang, Baocheng Zhang, Lin Zhou +2
Recently, the configuration using atomic interferometers (AIs) had been suggested for the detection of gravitational waves. A new AI with some additional laser pulses for implement…
ZAIGA: Zhaoshan Long-baseline Atom Interferometer Gravitation Antenna
Ming-Sheng Zhan, Jin Wang, Wei-Tou Ni +21
The Zhaoshan long-baseline Atom Interferometer Gravitation Antenna (ZAIGA) is a new type of underground laser-linked interferometer facility, and is currently under construction. I…
Resolution Limits of Non-Adaptive 20 Questions Estimation for Tracking Multiple Moving Targets
Chunsong Sun, Lin Zhou, Jingjing Wang +3
Motivated by the practical application of beam tracking of multiple devices in Multiple Input Multiple Output (MIMO) communication, we study the problem of non-adaptive twenty ques…
Correlating Superconducting Qubit Performance Losses to Sidewall Near-Field Scattering via Terahertz Nanophotonics
Richard H. J. Kim, Samuel J. Haeuser, Joong-Mok Park +16
Elucidating dielectric losses, structural heterogeneity, and interface imperfections is critical for improving coherence in superconducting qubits. However, most diagnostics rely o…
Non-Asymptotic Converse Bounds and Refined Asymptotics for Two Lossy Source Coding Problems
Lin Zhou, Mehul Motani
In this paper, we revisit two multi-terminal lossy source coding problems: the lossy source coding problem with side information available at the encoder and one of the two decoder…
Achievable Second-Order Asymptotics for MAC and RAC with Additive Non-Gaussian Noise
Yiming Wang, Lin Bai, Zhuangfei Wu +1
We first study the two-user additive noise multiple access channel (MAC) where the noise distribution is arbitrary. For such a MAC, we use spherical codebooks and either joint near…
Quasiparticle spectroscopy, transport, and magnetic properties of Nb films used in superconducting transmon qubits
Kamal R. Joshi, Sunil Ghimire, Makariy A. Tanatar +10
Niobium thin films on silicon substrate used in the fabrication of superconducting qubits have been characterized using scanning and transmission electron microscopy, electrical tr…
Simulation of alnico coercivity
Liqin Ke, Ralph Skomski, Todd D. Hoffmann +6
Micromagnetic simulations of alnico show substantial deviations from Stoner-Wohlfarth behavior due to the unique size and spatial distribution of the rod-like Fe-Co phase formed du…
Evaluation of the systematic error induced by quadratic Zeeman effect using hyperfine ground state exchange method in a long-baseline dual-species atom interferometer
Yu-Hang Ji, Chuan He, Si-Tong Yan +7
The systematic error induced by the quadratic Zeeman effect is non-negligible in atom interferometers and must be precisely evaluated. We theoretically analyze the phase shift indu…
Achievable Error Exponents for Two-Phase Multiple Classification
Lin Zhou, Jun Diao, Lin Bai
We revisit -ary classification of Gutman (TIT 1989), where one is tasked to determine whether a testing sequence is generated with the same distribution as one of the traini…
Enhanced Superconducting Qubit Performance Through Ammonium Fluoride Etch
Cameron J. Kopas, Dominic P. Goronzy, Thang Pham +19
The performance of superconducting qubits is often limited by dissipation and two-level systems (TLS) losses. The dominant sources of these losses are believed to originate from am…
Objects detection for remote sensing images based on polar coordinates
Lin Zhou, Haoran Wei, Hao Li +3
Arbitrary-oriented object detection is an important task in the field of remote sensing object detection. Existing studies have shown that the polar coordinate system has obvious a…
Alternating Bias Assisted Annealing of Amorphous Oxide Tunnel Junctions
David P. Pappas, Mark Field, Cameron Kopas +10
We demonstrate a transformational technique for controllably tuning the electrical properties of fabricated thermally oxidized amorphous aluminum-oxide tunnel junctions. Using conv…
Successive Refinement of Shannon Cipher System Under Maximal Leakage
Zhuangfei Wu, Lin Bai, Lin Zhou
We study the successive refinement setting of Shannon cipher system (SCS) under the maximal leakage secrecy metric for discrete memoryless sources under bounded distortion measures…
The space cold atom interferometer for testing the equivalence principle in the China Space Station
Meng He, Xi Chen, Jie Fang +25
The precision of the weak equivalence principle (WEP) test using atom interferometers (AIs) is expected to be extremely high in microgravity environment. The microgravity scientifi…
The Pixel Charging-up effect in Gas Micro-Pixel Detectors
Difan Yi, Qian Liu, Hongbang Liu +5
This study investigates the charging-up effect on the Topmetal-II- chip in Gas Micro-Pixel Detectors(GMPD). It is found that this effect differs from the charging-up typically obse…
Efficient photon-pair generation in layer-poled lithium niobate nanophotonic waveguides
Xiaodong Shi, Sakthi Sanjeev Mohanraj, Veerendra Dhyani +7
Integrated photon-pair sources are crucial for scalable photonic quantum systems. Thin-film lithium niobate is a promising platform for on-chip photon-pair generation through spont…
Multi-modal electron microscopy study on decoherence sources and their stability in Nb based superconducting qubit
Jin-Su Oh, Xiaotian Fang, Tae-Hoon Kim +14
Niobium is commonly used for superconducting quantum systems as readout resonators, capacitors, and interconnects. The coherence time of the superconducting qubits is mainly limite…
Sequential Outlier Hypothesis Testing under Universality Constraints
Jun Diao, Lin Zhou
We revisit sequential outlier hypothesis testing and derive bounds on achievable exponents when both the nominal and anomalous distributions are unknown. The task of outlier hypoth…
A Range-Free Node Localization Method for Anisotropic Wireless Sensor Networks with Sparse Anchors
Yong Jin, Junfang Leng, Lin Zhou +2
In sensor networks characterized by irregular layouts and poor connectivity, anisotropic properties can significantly reduce the accuracy of distance estimation between nodes, cons…
Impact of Digital Time Delay on the Stable Grid Hosting Capacity of Large-scale Centralized Photovoltaic Plant
Jinhong Liu, Lin Zhou, Marta Molinas
In view of the trend towards extensive application of digital controllers in the PV inverter of large-scale centralized photovoltaic (LSCPV) plant and the increasing number of grid…
Thermal transport in a 2D amorphous material
Yuxi Wang, Xingxing Zhang, Wujuan Yan +12
Two-dimensional (2D) crystals proved revolutionary soon after graphene was discovered in 2004. However, 2D amorphous materials only became accessible in 2020 and remain largely une…
Second-Order Asymptotically Optimal Statistical Classification
Lin Zhou, Vincent Y. F. Tan, Mehul Motani
Motivated by real-world machine learning applications, we analyze approximations to the non-asymptotic fundamental limits of statistical classification. In the binary version of th…
Crystal growth, microstructure and physical properties of SrMnSb
Yong Liu, Tao Ma, Lin Zhou +13
We report on the crystal and magnetic structures, magnetic, and transport properties of SrMnSb single crystals grown by the self-flux method. Magnetic susceptibility measuremen…
Rate-Distortion-Perception Tradeoff for the Gray-Wyner Problem
Yu Yang, Yingxin Zhang, Weijie Yuan +1
We revisit the Gray-Wyner lossy source coding problem and derive the first-order asymptotic optimal rate-distortion-perception region when additional perception constraints are imp…
Spatially-correlated Site Occupancy in the Nonstoichiometric Meta-stable ε-Al60Sm11 Phase during Devitrification of Al-10.2 at.% Sm Glasses
Lin Yang, Feng Zhang, Fan-Qiang Meng +7
A metastable ε-Al60Sm11 phase appears during the initial devitrification of as-quenched Al-10.2 at.% Sm glasses. The ε phase is nonstoichiometric in nature since Al occupation is…
On the functoriality of refined unramified cohomology
Kees Kok, Lin Zhou
In this paper, we generalise the construction of the functorial pullback of refined unramified cohomology between smooth schemes, by following the ideas of Fulton's intersection th…
OphCLIP: Hierarchical Retrieval-Augmented Learning for Ophthalmic Surgical Video-Language Pretraining
Ming Hu, Kun Yuan, Yaling Shen +17
Surgical practice involves complex visual interpretation, procedural skills, and advanced medical knowledge, making surgical vision-language pretraining (VLP) particularly challeng…
Topological Defect Mediated Helical Phase Reorientation by Uniaxial Stress
Tae-Hoon Kim, Haijun Zhao, Brandt A. Jensen +2
Strain engineering enables precise, energy-efficient control of nanoscale magnetism. However, unlike well-studied strain-dislocation interactions in mechanical deformation, the spa…
Achievable Resolution Limits for the Noisy Adaptive 20 Questions Problem
Lin Zhou, Alfred Hero
We study the achievable performance of adaptive query procedures for the noisy 20 questions problem with measurement-dependent noise over a unit cube of finite dimension. The perfo…
Strong Converse for Hypothesis Testing Against Independence over a Two-Hop Network
Daming Cao, Lin Zhou, Vincent Y. F. Tan
By proving a strong converse, we strengthen the weak converse result by Salehkalaibar, Wigger and Wang (2017) concerning hypothesis testing against independence over a two-hop netw…
Uncompensated Polarization in Incommensurate Modulations of Perovskite Antiferroelectrics
Tao Ma, Zhongming Fan, Bin Xu +6
Complex polar structures of incommensurate modulations (ICMs) are revealed in chemically modified PbZrO perovskite antiferroelectrics using advanced transmission electron micro…
Asymptotics for Outlier Hypothesis Testing
Lin Zhou, Yun Wei, Alfred Hero
We revisit the outlier hypothesis testing framework of Li \emph{et al.} (TIT 2014) and derive fundamental limits for the optimal test. In outlier hypothesis testing, one is given m…
Deterministic strain-control of stability and current-induced motion of skyrmions in chiral magnets
Phuong-Vu Ong, Tae-Hoon Kim, Haijun Zhao +3
External magnetic field, temperature, and spin-polarized current are usually employed to create and control nanoscale vortex-like spin configurations such as magnetic skyrmions. Al…
Exponentially Consistent Low Complexity Tests for Outlier Hypothesis Testing
Jun Diao, Jingjing Wang, Lin Zhou
We revisit outlier hypothesis testing, propose exponentially consistent low complexity fixed-length and sequential tests and show that our tests achieve better tradeoff between det…
Exponentially Consistent Statistical Classification of Continuous Sequences with Distribution Uncertainty
Lina Zhu, Lin Zhou
In multiple classification, one aims to determine whether a testing sequence is generated from the same distribution as one of the M training sequences or not. Unlike most of exist…
Realization of cold atom gyroscope in space
Jinting Li, Xi Chen, Danfang Zhang +21
High-precision gyroscopes in space are essential for fundamental physics research and navigation. Due to its potential high precision, the cold atom gyroscope is expected to be the…
Efficient User Scheduling for Uplink Hybrid Satellite-Terrestrial Communication
Lina Zhu, Lin Bai, Lin Zhou +1
Due to increasing demands of seamless connection and massive information exchange across the world, the integrated satellite-terrestrial communication systems develop rapidly. To s…
Manipulating of magnetism in the topological semimetal EuCd2As2
Na Hyun Jo, Brinda Kuthanazhi, Yun Wu +15
Magnetic Weyl semimetals are expected to have extraordinary physical properties such as a chiral anomaly and large anomalous Hall effects that may be useful for future, potential,…
In-orbit Test of the Weak Equivalence Principle with Atom Interferometry
Dan-Fang Zhang, Jing-Ting Li, Wen-Zhang Wang +22
The Weak Equivalence Principle (WEP) is a central pillar of general relativity. Its precise test with quantum systems in space offers a unique window onto new physics. Here we repo…
Privacy-Utility Tradeoff for Hypothesis Testing Over A Noisy Channel
Lin Zhou, Daming Cao
We study a hypothesis testing problem with a privacy constraint over a noisy channel and derive the performance of optimal tests under the Neyman-Pearson criterion. The fundamental…
Chow groups of Gushel-Mukai fivefolds
Lin Zhou
We compute the Chow groups of smooth Gushel-Mukai varieties of dimension .
On-Chip Generation of Co-Polarized and Spectrally Separable Photon Pairs
Xiaojie Wang, Lin Zhou, Yue Li +10
On-chip generation of high-purity single photons is essential for scalable photonic quantum technologies. Spontaneous parametric down-conversion (SPDC) is widely used to generate p…
From OTFS to DD-ISAC: Integrating Sensing and Communications in the Delay Doppler Domain
Weijie Yuan, Lin Zhou, Saeid K. Dehkordi +4
Next-generation vehicular networks are expected to provide the capability of robust environmental sensing in addition to reliable communications to meet intelligence requirements.…
The Dispersion of Broadcast Channels With Degraded Message Sets Using Gaussian Codebooks
Zhuangfei Wu, Lin Bai, Jinpeng Xu +2
We study the two-user broadcast channel with degraded message sets and derive second-order achievability rate regions. Specifically, the channel noises are not necessarily Gaussian…
Amplitude Modulation Noise Suppression of Dynamic Atom Gravimeters
Wen-Zhang Wang, Jin-Ting Li, Dan-Fang Zhang +9
Dynamic atom gravimeters enable absolute gravity measurements on moving platforms. However, their performance is severely degraded due to the complex dynamic environment. This pape…
Reconstructing shock front of unstable detonations based on multi-layer perceptron
Lin Zhou, Honghui Teng, Hoi Dick Ng +2
The dynamics of frontal and transverse shocks in gaseous detonation waves is a complex phenomenon bringing many difficulties to both numerical and experimental research. Advanced l…
From Ground to Sky: Architectures, Applications, and Challenges Shaping Low-Altitude Wireless Networks
Weijie Yuan, Yuanhao Cui, Jiacheng Wang +13
In this article, we introduce a novel low-altitude wireless network (LAWN), which is a reconfigurable, three-dimensional (3D) layered architecture. In particular, the LAWN integrat…
Quasiparticle spectroscopy in tantalum films with different Ta/sapphire interfaces
Bicky S. Moirangthem, Kamal R. Joshi, Anthony P. Mcfadden +8
One of the crucial aspects of current research in quantum information science is the identification and control of loss mechanisms in superconducting circuits. Although microwave m…
Terrestrial Very-Long-Baseline Atom Interferometry: Summary of the Second Workshop
Adam Abdalla, Mahiro Abe, Sven Abend +307
This summary of the second Terrestrial Very-Long-Baseline Atom Interferometry (TVLBAI) Workshop provides a comprehensive overview of our meeting held in London in April 2024, build…
Integrated polarization-entangled photon source for wavelength-multiplexed quantum networks
Xiaodong Shi, Yue Li, Jinyi Du +13
Entangled photons are fundamental resources for quantum communication, computing, and networking. Among them, polarization-entangled photon pairs play an important role due to thei…
Exponential Strong Converse for Content Identification with Lossy Recovery
Lin Zhou, Vincent Y. F. Tan, Lei Yu +1
We revisit the high-dimensional content identification with lossy recovery problem (Tuncel and Gündüz, 2014) and establish an exponential strong converse theorem. As a corollary…
Developing a Chemical and Structural Understanding of the Surface Oxide in a Niobium Superconducting Qubit
Akshay A. Murthy, Paul Masih Das, Stephanie M. Ribet +11
Superconducting thin films of niobium have been extensively employed in transmon qubit architectures. Although these architectures have demonstrated remarkable improvements in rece…
Analysis of the Dick Effect for AI-based Dynamic Gravimeter
Wen-Zhang Wang, Xi Chen, Jin-Ting Li +8
Atom interferometer (AI)-based dynamic gravimeter enable high-precision absolute gravity measurements, crucial for applications in geophysics, navigation, resource exploration, and…
Oxygen Vacancies at Dislocation Core Modulate Plasticity in Strontium Titanate
Min-Chul Kang, Chunxu Yan, Alexander Frisch +3
Dislocation core chemistry in oxides critically influences mechanical behavior and functionality; yet the evolution of core chemistry during the dislocation motion in them has not…
Resolution Limits for the Noisy Non-Adaptive 20 Questions Problem
Lin Zhou, Alfred Hero
We establish fundamental limits on estimation accuracy for the noisy 20 questions problem with measurement-dependent noise and introduce optimal non-adaptive procedures that achiev…
LAMBDA: A Low-Altitude Multimodal Base Dataset for UAV Sensing and Communication
Lin Zhou, Peichuan Rao, Chenshuo Zhang +4
Research on low-altitude integrated sensing and communication (ISAC) requires aligned multimodal data that jointly describe wireless propagation, visual appearance, unmanned aerial…
On Finite Blocklength Lossy Source Coding
Lin Zhou, Mehul Motani
In this monograph, we review recent advances in second-order asymptotics for lossy source coding, which provides approximations to the finite blocklength performance of optimal cod…
Exponential Strong Converse for Successive Refinement with Causal Decoder Side Information
Lin Zhou, Alfred Hero
We consider the -user successive refinement problem with causal decoder side information and derive an exponential strong converse theorem. The rate-distortion region for the pr…