Eric Y. Zhu
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View article: Error field measurements and correction on MUSE permanent magnet stellarator
Error field measurements and correction on MUSE permanent magnet stellarator Open
The magnetic field topology and error fields are measured in the MUSE permanent magnet stellarator with an electron beam and fluorescent rod. The effective magnetization of the magnets are determined by measuring rational flux surface loca…
View article: Continuously trapped matter-wave interferometry in magic Floquet-Bloch band structures
Continuously trapped matter-wave interferometry in magic Floquet-Bloch band structures Open
Trapped matter-wave interferometry offers the promise of compact high-precision local force sensing. However, noise in the trap itself can introduce new systematic errors which are absent in traditional free-fall interferometers. We descri…
View article: NeRF-Aug: Data Augmentation for Robotics with Neural Radiance Fields
NeRF-Aug: Data Augmentation for Robotics with Neural Radiance Fields Open
Training a policy that can generalize to unknown objects is a long standing challenge within the field of robotics. The performance of a policy often drops significantly in situations where an object in the scene was not seen during traini…
View article: Comparison of Traditional and Machine Learning Programs in the Evaluation of Protein-Ligand Binding
Comparison of Traditional and Machine Learning Programs in the Evaluation of Protein-Ligand Binding Open
Molecular docking, an in-silico method with widespread pharmacological applications, is used to predict the optimal conformation of a protein-ligand complex. Traditionally, it uses search-score algorithms that generate protein-ligand poses…
View article: Entangling entanglement: coupling frequency and polarization of biphotons on demand
Entangling entanglement: coupling frequency and polarization of biphotons on demand Open
Quantum information is often carried in the frequency and polarization degrees of freedom (DoFs) in single photons and entangled photons. We demonstrate an approach to couple and decouple the frequency and polarization DoFs of broadband bi…
View article: Entangling entanglement: coupling frequency and polarization of biphotons on demand
Entangling entanglement: coupling frequency and polarization of biphotons on demand Open
Quantum information is often carried in the frequency and polarization degrees of freedom (DoFs) in single photons and entangled photons. We demonstrate a new approach to couple and decouple the frequency and polarization DoFs of broadband…
View article: DAMP: Doubly Aligned Multilingual Parser for Task-Oriented Dialogue
DAMP: Doubly Aligned Multilingual Parser for Task-Oriented Dialogue Open
William Held, Christopher Hidey, Fei Liu, Eric Zhu, Rahul Goel, Diyi Yang, Rushin Shah. Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers). 2023.
View article: DAMP: Doubly Aligned Multilingual Parser for Task-Oriented Dialogue
DAMP: Doubly Aligned Multilingual Parser for Task-Oriented Dialogue Open
Modern virtual assistants use internal semantic parsing engines to convert user utterances to actionable commands. However, prior work has demonstrated that semantic parsing is a difficult multilingual transfer task with low transfer effic…
View article: Telecom-band hyperentangled photon pairs from a fiber-based source
Telecom-band hyperentangled photon pairs from a fiber-based source Open
Hyperentanglement, the simultaneous and independent entanglement of quantum particles in multiple degrees of freedom, is a powerful resource that can be harnessed for efficient quantum information processing. In photonic systems, the two d…
View article: Machine-Learning-Derived Entanglement Witnesses
Machine-Learning-Derived Entanglement Witnesses Open
In this work, we show a correspondence between linear support vector machines (SVMs) and entanglement witnesses, and use this correspondence to generate entanglement witnesses for bipartite and tripartite qubit (and qudit) target entangled…
View article: Real-time ultrasound sensing with a mode-optimized photonic crystal slab
Real-time ultrasound sensing with a mode-optimized photonic crystal slab Open
Integrated photonic sensors can provide large scale, flexible detection schemes. Photonic crystal slabs (PCSs) offer a miniaturized platform for wideband, sensitive ultrasound detection by exploiting the photoelastic effect in water. Howev…
View article: Learning for Microrobot Exploration: Model-based Locomotion, Sparse-robust Navigation, and Low-power Deep Classification
Learning for Microrobot Exploration: Model-based Locomotion, Sparse-robust Navigation, and Low-power Deep Classification Open
Building intelligent autonomous systems at any scale is challenging. The sensing and computation constraints of a microrobot platform make the problems harder. We present improvements to learning-based methods for on-board learning of loco…
View article: Learning for Microrobot Exploration: Model-based Locomotion,\n Sparse-robust Navigation, and Low-power Deep Classification
Learning for Microrobot Exploration: Model-based Locomotion,\n Sparse-robust Navigation, and Low-power Deep Classification Open
Building intelligent autonomous systems at any scale is challenging. The\nsensing and computation constraints of a microrobot platform make the problems\nharder. We present improvements to learning-based methods for on-board learning\nof l…
View article: Recovering the full dimensionality of hyperentanglement in collinear photon pairs
Recovering the full dimensionality of hyperentanglement in collinear photon pairs Open
Exploiting hyperentanglement of photon pairs, that is, simultaneous\nentanglement in multiple degrees of freedom(DOFs), increases the dimensionality\nof Hilbert spaces for quantum information processing. However, generation of\nhyperentang…
View article: Alignment-free dispersion measurement with interfering biphotons
Alignment-free dispersion measurement with interfering biphotons Open
Measuring the dispersion of photonic devices with small dispersion-length products is challenging due to the phase-sensitive and alignment-intensive nature of conventional methods. In this Letter, we demonstrate a quantum technique to extr…
View article: Toward a reconfigurable quantum network enabled by a broadband entangled source
Toward a reconfigurable quantum network enabled by a broadband entangled source Open
We present a proof-of-principle experimental demonstration of a reconfigurable entanglement distribution scheme utilizing a poled fiber-based source of broadband polarization-entangled photon pairs and dense wavelength-division multiplexin…
View article: Turn-key diode-pumped all-fiber broadband polarization-entangled photon source
Turn-key diode-pumped all-fiber broadband polarization-entangled photon source Open
In this article, we report a compact, low-power laser diode-pumped, all-fiber polarization-entangled photon pair source based on periodically-poled silica fiber technology. The all-fiber source offers room-temperature alignment-free turn-k…
View article: Evaluation of four hydrological models for operational flood forecasting in a Canadian Prairie watershed
Evaluation of four hydrological models for operational flood forecasting in a Canadian Prairie watershed Open
The complexities of the Prairie watersheds, including potholes, drainage interconnectivities, changing land-use patterns, dynamic watershed boundaries and hydro-meteorological factors, have made hydrological modelling on Prairie watersheds…
View article: Nanotesla-level, shield-less, field-compensation-free, wave-mixing-enhanced body-temperature atomic magnetometry for biomagnetism
Nanotesla-level, shield-less, field-compensation-free, wave-mixing-enhanced body-temperature atomic magnetometry for biomagnetism Open
We report an optical inelastic-wave-mixing-enhanced atomic magnetometry technique that results in nT-level magnetic field detection at temperatures compatible with the human body without magnetic shielding, zero-field compensation, or high…
View article: Compensation-free broadband entangled photon pair sources
Compensation-free broadband entangled photon pair sources Open
Quantum sources that provide broadband biphotons entangled in both polarization and time-energy degrees of freedom are a rich quantum resource that finds many applications in quantum communication, sensing, and metrology. Creating such a s…
View article: Polarization-entangled photon pair sources based on spontaneous four wave mixing assisted by polarization mode dispersion
Polarization-entangled photon pair sources based on spontaneous four wave mixing assisted by polarization mode dispersion Open
Photonic-based qubits and integrated photonic circuits have enabled demonstrations of quantum information processing (QIP) that promises to transform the way in which we compute and communicate. To that end, sources of polarization-entangl…
View article: ekzhu/datasketch: Introduce Lean MinHash and better documentation
ekzhu/datasketch: Introduce Lean MinHash and better documentation Open
LeanMinHash is a subclass of MinHash. It uses less memory and allows faster (de)serialization. See documentation for details. Removed serialize, deserialize, and bytesize methods from MinHash. These are supported in LeanMinHash instead. Se…
View article: Polarization-entangled photon pair sources based on spontaneous four wave mixing assisted by polarization mode dispersion
Polarization-entangled photon pair sources based on spontaneous four wave mixing assisted by polarization mode dispersion Open
Photonic-based qubits and integrated photonic circuits have enabled demonstrations of quantum information processing (QIP) that promises to transform the way in which we compute and communicate. To that end, sources of polarization-entangl…
View article: Polarization-entangled photon pair sources based on spontaneous four\n wave mixing assisted by polarization mode dispersion
Polarization-entangled photon pair sources based on spontaneous four\n wave mixing assisted by polarization mode dispersion Open
Photonic-based qubits and integrated photonic circuits have enabled\ndemonstrations of quantum information processing (QIP) that promises to\ntransform the way in which we compute and communicate. To that end, sources of\npolarization-enta…
View article: ekzhu/datasketch: First stable release
ekzhu/datasketch: First stable release Open
After nearly 2 years working on this project on-and-off, the API is now stable, and the features of MinHash-related sketches are completed. I will continue to add more data sketches are indexes.
View article: Cell Line Generation: Relying on tricks or tools of the trade?
Cell Line Generation: Relying on tricks or tools of the trade? Open
Background Cell line generation (CLG) in the scope of bioproduction can be defined as a method to isolate a single cell expressing a recombinant protein of interest. The standard method of CLG often involves the introduction of the transge…